Publications

  1. Ren L, Rajendran K, Fletcher JG, McCollough CH, Yu L. Simultaneous Dual-Contrast Imaging of Small Bowel With Iodine and Bismuth Using Photon-Counting-Detector Computed Tomography: A Feasibility Animal Study. Invest Radiol. 2020 Oct; 55 (10):688-694
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  2. Iyer VR, Ehman EC, Khandelwal A, Wells ML, Lee YS, Weber NM, Johnson MP, Yu L, McCollough CH, Fletcher JG. Image quality in abdominal CT using an iodine contrast reduction algorithm employing patient size and weight and low kV CT technique. Acta Radiol. 2020 Sep; 61 (9):1186-1195 Epub 2020 Jan 27
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  3. Baillargeon AM, Baffour FI, Yu L, Fletcher JG, McCollough CH, Glazebrook KN. Fat quantification of the rotator cuff musculature using dual-energy CT-A pilot study. Eur J Radiol. 2020 Sep; 130:109145 Epub 2020 June 23
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  4. Long Z, Tiegs-Heiden CA, Anderson TL, Adkins MC, Hagen J, Glazebrook KN, Halaweish A, McCollough C, Fletcher JG. Clinical evaluation of a new adaptive iterative metal artifact reduction method in whole-body low-dose CT skeletal survey examinations. Skeletal Radiol. 2020 Jul 20 Epub 2020 July 20
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  5. Gong H, Hu Q, Walther A, Koo CW, Takahashi EA, Levin DL, Johnson TF, Hora MJ, Leng S, Fletcher JG, McCollough CH, Yu L. Deep-learning-based model observer for a lung nodule detection task in computed tomography. J Med Imaging (Bellingham). 2020 Jul; 7 (4):042807 Epub 2020 June 30
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  6. Mohammadinejad P, Baffour FI, Adkins MC, Yu L, McCollough CH, Fletcher JG, Glazebrook KN. Benefits of iterative metal artifact reduction and dual-energy CT towards mitigating artifact in the setting of total shoulder prostheses. Skeletal Radiol. 2020 Jun 29 Epub 2020 June 29
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  7. Bartlett DJ, Burkett BJ, Burnett TL, Sheedy SP, Fletcher JG, VanBuren WM. Comparison of routine pelvic US and MR imaging in patients with pathologically confirmed endometriosis. Abdom Radiol (NY). 2020 Jun; 45 (6):1670-1679
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  8. Bruining DH, Oliva S, Fleisher MR, Fischer M, Fletcher JG, BLINK study group. Panenteric capsule endoscopy versus ileocolonoscopy plus magnetic resonance enterography in Crohn's disease: a multicentre, prospective study. BMJ Open Gastroenterol. 2020 Jun; 7 (1)
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  9. Nehra AK, Sheedy SP, Wells ML, VanBuren WM, Hansel SL, Deepak P, Lee YS, Bruining DH, Fletcher JG. Imaging Findings of Ileal Inflammation at Computed Tomography and Magnetic Resonance Enterography: What do They Mean When Ileoscopy and Biopsy are Negative? J Crohns Colitis. 2020 May 21; 14 (4):455-464
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  10. Lightner AL, Dozois EJ, Dietz AB, Fletcher JG, Friton J, Butler G, Faubion WA. Matrix-Delivered Autologous Mesenchymal Stem Cell Therapy for Refractory Rectovaginal Crohn's Fistulas. Inflamm Bowel Dis. 2020 Apr 11; 26 (5):670-677
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  11. Gandhi NS, Dillman JR, Grand DJ, Huang C, Fletcher JG, Al-Hawary MM, Anupindi SA, Baker ME, Bruining DH, Chatterji M, Fidler JL, Gee MS, Grajo JR, Guglielmo FF, Jaffe TA, Park SH, Rimola J, Taouli B, Taylor SA, Yeh B. Computed tomography and magnetic resonance enterography protocols and techniques: survey of the Society of Abdominal Radiology Crohn's Disease Disease-Focused Panel. Abdom Radiol (NY). 2020 Apr; 45 (4):1011-1017
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  12. Guglielmo FF, Anupindi SA, Fletcher JG, Al-Hawary MM, Dillman JR, Grand DJ, Bruining DH, Chatterji M, Darge K, Fidler JL, Gandhi NS, Gee MS, Grajo JR, Huang C, Jaffe TA, Park SH, Rimola J, Soto JA, Taouli B, Taylor SA, Baker ME. Small Bowel Crohn Disease at CT and MR Enterography: Imaging Atlas and Glossary of Terms. Radiographics. 2020 Mar-Apr; 40 (2):354-375 Epub 2020 Jan 17
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  13. Kim S, Marcus R, Wells ML, Sheedy SP, Hansel SL, Bruining DH, Barlow JM, Carter RE, Lee YS, Johnson MP, Fidler JL, Goenka AH, McCollough CH, Fletcher JG. The evolving role of imaging for small bowel neuroendocrine neoplasms: estimated impact of imaging and disease-free survival in a retrospective observational study. Abdom Radiol (NY). 2020 Mar; 45 (3):623-631
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  14. Carter RE, Holmes DR 3rd, Fletcher JG, McCollough CH. Evaluation of Pseudoreader Study Designs to Estimate Observer Performance Results as an Alternative to Fully Crossed, Multireader, Multicase Studies. Acad Radiol. 2020 Feb; 27 (2):244-252 Epub 2019 May 07
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  15. Missert AD, Yu L, Leng S, Fletcher JG, McCollough CH. Synthesizing images from multiple kernels using a deep convolutional neural network. Med Phys. 2020 Feb; 47 (2):422-430 Epub 2019 Dec 29
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  16. Rajendran K, Voss BA, Zhou W, Tao S, DeLone DR, Lane JI, Weaver JM, Carlson ML, Fletcher JG, McCollough CH, Leng S. Dose Reduction for Sinus and Temporal Bone Imaging Using Photon-Counting Detector CT With an Additional Tin Filter. Invest Radiol. 2020 Feb; 55 (2):91-100
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  17. Guimaraes LS, Greer MC, Dillman JR, Fletcher JG. Magnetic Resonance in Crohn's Disease: Diagnosis, Disease Burden, and Classification. Magn Reson Imaging Clin N Am. 2020 Feb; 28 (1):31-44
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  18. Gordon IO, Bettenworth D, Bokemeyer A, Srivastava A, Rosty C, de Hertogh G, Robert ME, Valasek MA, Mao R, Kurada S, Harpaz N, Borralho P, Pai RK, Pai RK, Odze R, Feakins R, Parker CE, Nguyen T, Jairath V, Baker ME, Bruining DH, Fletcher JG, Feagan BG, Rieder F, Stenosis Therapy and Anti-Fibrotic Research (STAR) Consortium. Histopathology Scoring Systems of Stenosis Associated With Small Bowel Crohn's Disease: A Systematic Review. Gastroenterology. 2020 Jan; 158 (1):137-150.e1 Epub 2019 Aug 30
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  19. Mohammadinejad P, Ehman EC, Vasconcelos RN, Venkatesh SK, Hough DM, Lowe R, Lee YS, Nehra A, Dirks S, Holmes DR 3rd, Carter RE, Schmidt B, Halaweish AF, McCollough CH, Fletcher JG. Prior iterative reconstruction (PIR) to lower radiation dose and preserve radiologist performance for multiphase liver CT: a multi-reader pilot study. Abdom Radiol (NY). 2020 Jan; 45 (1):45-54
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  20. Ren L, Rajendran K, Fletcher JG, Allmendinger T, Halaweish A, Schmidt B, Flohr T, McCollough CH, Yu L. Multi-energy CT with triple x-ray beams: A feasibility animal study Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 2020; 11312:113121R
  21. Baffour FI, Glazebrook KN, Morris JM, Michalak GJ, Fletcher JG, Leng S, McCollough CH. Clinical utility of virtual noncalcium dual-energy CT in imaging of the pelvis and hip. Skeletal Radiol. 2019 Dec; 48 (12):1833-1842 Epub 2019 May 30
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  22. Mileto A, Guimaraes LS, McCollough CH, Fletcher JG, Yu L. State of the Art in Abdominal CT: The Limits of Iterative Reconstruction Algorithms. Radiology. 2019 Dec; 293 (3):491-503 Epub 2019 Oct 29
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  23. Deepak P, Pundi KN, Bruining DH, Fidler JL, Barlow JM, Hansel SL, Harmsen WS, Wells ML, Fletcher JG. Multiphase Computed Tomographic Enterography: Diagnostic Yield and Efficacy in Patients With Suspected Small Bowel Bleeding. Mayo Clin Proc Innov Qual Outcomes. 2019 Dec; 3 (4):438-447 Epub 2019 Nov 22
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  24. Fletcher JG, DeLone DR, Kotsenas AL, Campeau NG, Lehman VT, Yu L, Leng S, Holmes DR 3rd, Edwards PK, Johnson MP, Michalak GJ, Carter RE, McCollough CH. Evaluation of Lower-Dose Spiral Head CT for Detection of Intracranial Findings Causing Neurologic Deficits. AJNR Am J Neuroradiol. 2019 Nov; 40 (11):1855-1863 Epub 2019 Oct 24
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  25. Grass F, Fletcher JG, Alsughayer A, Petersen M, Bruining DH, Bartlett DJ, Mathis KL, Lightner AL. Development of an Objective Model to Define Near-Term Risk of Ileocecal Resection in Patients with Terminal Ileal Crohn Disease. Inflamm Bowel Dis. 2019 Oct 18; 25 (11):1845-1853
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  26. Navin PJ, Kim B, Wells ML, Khandelwal A, Halaweish AF, Moen TR, Johnson MP, McCollough S, Lee YS, Leng S, McCollough CH, Fletcher JG. Reducing radiation dose for multi-phase contrast-enhanced dual energy renal CT: pilot study evaluating prior iterative reconstruction. Abdom Radiol (NY). 2019 Oct; 44 (10):3350-3358
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  27. Kolbe AB, Haas LA, Bartlett DJ, Iyer VR, Thomas KB, Tung J, Fidler JL, Fletcher JG. Comparison of two small bowel distending agents for enterography in pediatric small bowel imaging. Abdom Radiol (NY). 2019 Oct; 44 (10):3252-3262
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  28. Dilger SKN, Nelson N, Venkatesh SK, Ehman EC, Fidler JL, Fletcher JG, McCollough CH, Yu L. Computed Tomography Cholangiography Using the Magnetic Resonance Contrast Agent Gadoxetate Disodium: A Phantom Study. Invest Radiol. 2019 Sep; 54 (9):572-579
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  29. Morris J, Michalak G, Leng S, Moynagh M, Kurup AN, McCollough C, Fletcher J. Dual-Energy CT Monitoring of Cryoablation Zone Growth in the Spinal Column and Bony Pelvis: A Laboratory Study. J Vasc Interv Radiol. 2019 Sep; 30 (9):1496-1503 Epub 2019 May 18
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  30. Quinn KP, Prothero BL, Russell JM, Hegge RJ, von AG, Larson PA, Christofferson SN, Smyrk TC, Mathis KL, Goenka AH, Sheedy SP, Bruining DH, Fletcher JG, Loftus EV, Raffals LE. Impact of multidisciplinary eBoard on the management of patients with complex inflammatory bowel disease. Crohn's & Colitis 360. 2019; 1(2):otz013.
  31. Olson MC, Fletcher JG, Nagpal P, Froemming AT, Khandelwal A. Mesenteric ischemia: what the radiologist needs to know. Cardiovasc Diagn Ther. 2019 Aug; 9 (Suppl 1):S74-S87
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  32. Gutjahr R, Fletcher JG, Lee YS, Halaweish AF, Suresh V, Weber NM, Vrtiska TJ, Williamson EE, Schmidt B, McCollough CH. Individualized Delay for Abdominal Computed Tomography Angiography Bolus-Tracking Based on Sequential Monitoring: Increased Aortic Contrast Permits Decreased Injection Rate and Lower Iodine Dose. J Comput Assist Tomogr. 2019 Jul/Aug; 43 (4):612-618
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  33. Puthanmadhom Narayanan S, Sharma M, Fletcher JG, Karwoski RA, Holmes DR 3rd, Bharucha AE. Comparison of changes in rectal area and volume during MR evacuation proctography in healthy and constipated adults. Neurogastroenterol Motil. 2019 Jul; 31 (7):e13608 Epub 2019 Apr 26
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  34. Bettenworth D, Bokemeyer A, Baker M, Mao R, Parker CE, Nguyen T, Ma C, Panes J, Rimola J, Fletcher JG, Jairath V, Feagan BG, Rieder F, Stenosis Therapy and Anti-Fibrotic Research (STAR) Consortium.. Assessment of Crohn's disease-associated small bowel strictures and fibrosis on cross-sectional imaging: a systematic review. Gut. 2019 Jun; 68 (6):1115-1126 Epub 2019 Apr 03
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  35. Tao S, Rajendran K, Zhou W, Fletcher JG, McCollough CH, Leng S. Improving iodine contrast to noise ratio using virtual monoenergetic imaging and prior-knowledge-aware iterative denoising (mono-PKAID). Phys Med Biol. 2019 May 16; 64 (10):105014
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  36. Dilger SKN, Yu L, Chen B, Favazza CP, Carter RE, Fletcher JG, McCollough CH, Leng S. Localization of liver lesions in abdominal CT imaging: I. Correlation of human observer performance between anatomical and uniform backgrounds. Phys Med Biol. 2019 May 10; 64 (10):105011
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  37. Dilger SKN, Leng S, Chen B, Carter RE, Favazza CP, Fletcher JG, McCollough CH, Yu L. Localization of liver lesions in abdominal CT imaging: II. Mathematical model observer performance correlates with human observer performance for localization of liver lesions in abdominal CT imaging. Phys Med Biol. 2019 May 10; 64 (10):105012
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  38. Maldonado FJ, Al Bawardy BF, Nehra AK, Lee YS, Bruining DH, Adkins MC, Keaveny TM, Johnson MP, Fidler JL, McCollough CH, Fletcher JG. Findings of CT-Derived Bone Strength Assessment in Inflammatory Bowel Disease Patients Undergoing CT Enterography in Clinical Practice. Inflamm Bowel Dis. 2019 May 4; 25 (6):1072-1079
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  39. Taylor SA, Rieder F, Fletcher JG. Differences in the imaging of Crohn's disease patients between North America and Europe: are we ready to bridge the divide? Abdom Radiol (NY). 2019 May; 44 (5):1637-1643
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  40. Gong H, Yu L, Leng S, Dilger SK, Ren L, Zhou W, Fletcher JG, McCollough CH. A deep learning- and partial least square regression-based model observer for a low-contrast lesion detection task in CT. Med Phys. 2019 May; 46 (5):2052-2063 Epub 2019 Apr 01
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  41. Leng S, Bruesewitz M, Tao S, Rajendran K, Halaweish AF, Campeau NG, Fletcher JG, McCollough CH. Photon-counting Detector CT: System Design and Clinical Applications of an Emerging Technology. Radiographics. 2019 May-Jun; 39 (3):729-743
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  42. Bartlett DJ, Thacker PG Jr, Grotz TE, Graham RP, Fletcher JG, VanBuren WM, Iyer VR, Fidler JL, Menias CO, Wasif N, Sheedy SP. Mucinous appendiceal neoplasms: classification, imaging, and HIPEC. Abdom Radiol (NY). 2019 May; 44 (5):1686-1702
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  43. Dozois EJ, Lightner AL, Mathis KL, Chua HK, Kelley SR, Fletcher JG, Dietz AB, Friton JJ, Butler GW, Faubion WA. Early Results of a Phase I Trial Using an Adipose-Derived Mesenchymal Stem Cell-Coated Fistula Plug for the Treatment of Transsphincteric Cryptoglandular Fistulas. Dis Colon Rectum. 2019 May; 62 (5):615-622
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  44. Zhou W, Bartlett DJ, Diehn FE, Glazebrook KN, Kotsenas AL, Carter RE, Fletcher JG, McCollough CH, Leng S. Reduction of Metal Artifacts and Improvement in Dose Efficiency Using Photon-Counting Detector Computed Tomography and Tin Filtration. Invest Radiol. 2019 Apr; 54 (4):204-211
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  45. Glazebrook KN, Doerge S, Leng S, Drees TA, Hunt KN, Zingula SN, Pruthi S, Geske JR, Carter RE, McCollough CH, Fletcher JG. Ability of Dual-Energy CT to Detect Silicone Gel Breast Implant Rupture and Nodal Silicone Spread. AJR Am J Roentgenol. 2019 Apr; 212 (4):933-942 Epub 2019 Feb 19
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  46. Sheedy SP, Bartlett DJ, Lightner AL, Trenkner SW, Bruining DH, Fidler JL, VanBuren WM, Menias CO, Reber JD, Fletcher JG. Judging the J pouch: a pictorial review. Abdom Radiol (NY). 2019 Mar; 44 (3):845-866
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  47. Bartlett DJ, Koo CW, Bartholmai BJ, Rajendran K, Weaver JM, Halaweish AF, Leng S, McCollough CH, Fletcher JG. High-Resolution Chest Computed Tomography Imaging of the Lungs: Impact of 1024 Matrix Reconstruction and Photon-Counting Detector Computed Tomography. Invest Radiol. 2019 Mar; 54 (3):129-137
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  48. Weber NM, Koo CW, Yu L, Bartholmai BJ, Halaweish AF, McCollough CH, Fletcher JG. Breathe New Life Into Your Chest CT Exams: Using Advanced Acquisition and Postprocessing Techniques. Curr Probl Diagn Radiol. 2019 Mar - Apr; 48 (2):152-160 Epub 2018 Oct 24
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  49. Long Z, DeLone DR, Kotsenas AL, Lehman VT, Nagelschneider AA, Michalak GJ, Fletcher JG, McCollough CH, Yu L. Clinical Assessment of Metal Artifact Reduction Methods in Dual-Energy CT Examinations of Instrumented Spines. AJR Am J Roentgenol. 2019 Feb; 212 (2):395-401 Epub 2018 Dec 12
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  50. Deepak P, Fowler KJ, Fletcher JG, Bruining DH. Novel Imaging Approaches in Inflammatory Bowel Diseases. Inflamm Bowel Dis. 2019 Jan 10; 25 (2):248-260
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  51. Leng S, Rajendran K, Gong H, Zhou W, Halaweish AF, Henning A, Kappler S, Baer M, Fletcher JG, McCollough CH. 150-mum Spatial Resolution Using Photon-Counting Detector Computed Tomography Technology: Technical Performance and First Patient Images. Invest Radiol. 2018 Nov; 53 (11):655-662
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  52. Takahashi EA, Koo CW, White DB, Lindell RM, Sykes AG, Levin DL, Kuzo RS, Wolf M, Bogoni L, Carter RE, McCollough CH, Fletcher JG. Prospective Pilot Evaluation of Radiologists and Computer-aided Pulmonary Nodule Detection on Ultra-low-Dose CT With Tin Filtration. J Thorac Imaging. 2018 Nov; 33 (6):396-401
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  53. Marcus RP, Fletcher JG, Ferrero A, Leng S, Halaweish AF, Gutjahr R, Vrtiska TJ, Wells ML, Enders FT, McCollough CH. Detection and Characterization of Renal Stones by Using Photon-Counting-based CT. Radiology. 2018 Nov; 289 (2):436-442 Epub 2018 Aug 07
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  54. Fletcher JG, Fidler JL, Venkatesh SK, Hough DM, Takahashi N, Yu L, Johnson M, Leng S, Holmes DR 3rd, Carter R, McCollough CH. Observer Performance with Varying Radiation Dose and Reconstruction Methods for Detection of Hepatic Metastases. Radiology. 2018 Nov; 289 (2):455-464 Epub 2018 Sept 11
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  55. Park SH, Ye BD, Lee TY, Fletcher JG. Computed Tomography and Magnetic Resonance Small Bowel Enterography: Current Status and Future Trends Focusing on Crohn's Disease. Gastroenterol Clin North Am. 2018 Sep; 47 (3):475-499 Epub 2018 July 07
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  56. Sheedy SP, Kolbe AB, Fletcher JG, Fidler JL. Computed Tomography Enterography. Radiol Clin North Am. 2018 Sep; 56 (5):649-670 Epub 2018 July 11
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  57. Baker ME, Fletcher JG, Al-Hawary M, Bruining D. Interdisciplinary Updates in Crohn's Disease Reporting Nomenclature, and Cross-Sectional Disease Monitoring. Radiol Clin North Am. 2018 Sep; 56 (5):691-707
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  58. Lee TH, Setty PT, Parthasarathy G, Bailey KR, Wood-Wentz CM, Fletcher JG, Takahashi N, Khosla S, Moynagh MR, Zinsmeister AR, Bharucha AE. Aging, Obesity, and the Incidence of Diverticulitis: A Population-Based Study. Mayo Clin Proc. 2018 Sep; 93 (9):1256-1265
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  59. VanBuren WM, Lightner AL, Kim ST, Sheedy SP, Woolever MC, Menias CO, Fletcher JG. Imaging and Surgical Management of Anorectal Vaginal Fistulas. Radiographics. 2018 Sep-Oct; 38 (5):1385-1401
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  60. Cartee AK, Vege SS, Fletcher JG. Rectoprostate Fistula After Endoscopic Treatment of Radiation Proctitis. Clin Gastroenterol Hepatol. 2018 Sep; 16 (9):A33 Epub 2018 Apr 18
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  61. Rieder F, Bettenworth D, Ma C, Parker CE, Williamson LA, Nelson SA, van Assche G, Di Sabatino A, Bouhnik Y, Stidham RW, Dignass A, Rogler G, Taylor SA, Stoker J, Rimola J, Baker ME, Fletcher JG, Panes J, Sandborn WJ, Feagan BG, Jairath V. An expert consensus to standardise definitions, diagnosis and treatment targets for anti-fibrotic stricture therapies in Crohn's disease. Aliment Pharmacol Ther. 2018 Aug; 48 (3):347-357 Epub 2018 June 19
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  62. Deepak P, Fletcher JG, Fidler JL, Barlow JM, Sheedy SP, Kolbe AB, Harmsen WS, Therneau T, Hansel SL, Becker BD, Loftus EV Jr, Bruining DH. Predictors of Durability of Radiological Response in Patients With Small Bowel Crohn's Disease. Inflamm Bowel Dis. 2018 Jul 12; 24 (8):1815-1825
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  63. Maldonado FJ, Sheedy SP, Iyer VR, Hansel SL, Bruining DH, McCollough CH, Harmsen WS, Barlow JM, Fletcher JG. Reproducible imaging features of biologically aggressive gastrointestinal stromal tumors of the small bowel. Abdom Radiol (NY). 2018 Jul; 43 (7):1567-1574
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  64. Wells ML, Hansel SL, Bruining DH, Fletcher JG, Froemming AT, Barlow JM, Fidler JL. CT for Evaluation of Acute Gastrointestinal Bleeding. Radiographics. 2018 Jul-Aug; 38 (4):1089-1107 Epub 2018 June 08
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  65. Reber JD, Barlow JM, Lightner AL, Sheedy SP, Bruining DH, Menias CO, Fletcher JG. J Pouch: Imaging Findings, Surgical Variations, Natural History, and Common Complications. Radiographics. 2018 Jul-Aug; 38 (4):1073-1088 Epub 2018 May 22
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  66. Long Z, Bruesewitz MR, DeLone DR, Morris JM, Amrami KK, Adkins MC, Glazebrook KN, Kofler JM, Leng S, McCollough CH, Fletcher JG, Halaweish AF, Yu L. Evaluation of projection- and dual-energy-based methods for metal artifact reduction in CT using a phantom study. J Appl Clin Med Phys. 2018 Jul; 19 (4):252-260 Epub 2018 May 10
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  67. Tirumanisetty P, Prichard D, Fletcher JG, Chakraborty S, Zinsmeister AR, Bharucha AE. Normal values for assessment of anal sphincter morphology, anorectal motion, and pelvic organ prolapse with MRI in healthy women. Neurogastroenterol Motil. 2018 Jul; 30 (7):e13314 Epub 2018 Mar 02
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  68. Wells ML, Fidler JL, Bruining DH, Hansel SL, Froemming AT, Barlow JM, Fletcher JG. CT of Acute GI Bleeding Radiographics. 2018.
  69. Hansel SL, McCurdy JD, Barlow JM, Fidler J, Fletcher JG, Becker B, Prabhu NC, Faubion WA, Hanson KA, Kane SV, Kisiel JB, Loftus EV Jr, Papadakis KA, Pardi DS, Raffals LE, Schoenoff S, Tremaine WJ, Bruining DH. Clinical Benefit of Capsule Endoscopy in Crohn's Disease: Impact on Patient Management and Prevalence of Proximal Small Bowel Involvement. Inflamm Bowel Dis. 2018 Jun 8; 24 (7):1582-1588
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  70. Hanson GJ, Michalak GJ, Childs R, McCollough B, Kurup AN, Hough DM, Frye JM, Fidler JL, Venkatesh SK, Leng S, Yu L, Halaweish AF, Harmsen WS, McCollough CH, Fletcher JG. Low kV versus dual-energy virtual monoenergetic CT imaging for proven liver lesions: what are the advantages and trade-offs in conspicuity and image quality? A pilot study. Abdom Radiol (NY). 2018 Jun; 43 (6):1404-1412
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  71. Lightner AL, Fletcher JG. Duodenal Crohn's Disease-a Diagnostic Conundrum. J Gastrointest Surg. 2018 Apr; 22 (4):761-763 Epub 2017 Oct 17
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  72. Weinberg DS, Pickhardt PJ, Bruining DH, Edwards K, Fletcher JG, Gollub MJ, Keenan EM, Kupfer SS, Li T, Lubner SJ, Markowitz AJ, Ross EA. Computed Tomography Colonography vs Colonoscopy for Colorectal Cancer Surveillance After Surgery. Gastroenterology. 2018 Mar; 154 (4):927-934.e4 Epub 2017 Nov 22
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  73. Stinson EG, Trzasko JD, Fletcher JG, Riederer SJ. Dual echo Dixon imaging with a constrained phase signal model and graph cuts reconstruction. Magn Reson Med. 2017 Dec; 78 (6):2203-2215 Epub 2017 Feb 02
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  74. Lightner AL, Fletcher JG, Pemberton JH, Mathis KL, Raffals LE, Smyrk T. Crohn's Disease of the Pouch: A True Diagnosis or an Oversubscribed Diagnosis of Exclusion? Dis Colon Rectum. 2017 Nov; 60 (11):1201-1208
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  75. Kim JS, Park SH, Hansel S, Fletcher JG. Imaging and Screening of Cancer of the Small Bowel. Radiol Clin North Am. 2017 Nov; 55 (6):1273-1291 Epub 2017 Sept 13
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  76. Diehn FE, Michalak GJ, DeLone DR, Kotsenas AL, Lindell EP, Campeau NG, Halaweish AF, McCollough CH, Fletcher JG. CT Dental Artifact: Comparison of an Iterative Metal Artifact Reduction Technique with Weighted Filtered Back-Projection. Acta Radiol Open. 2017 Nov; 6 (11):2058460117743279 Epub 2017 Nov 26
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  77. McCollough CH, Bartley AC, Carter RE, Chen B, Drees TA, Edwards P, Holmes DR 3rd, Huang AE, Khan F, Leng S, McMillan KL, Michalak GJ, Nunez KM, Yu L, Fletcher JG. Low-dose CT for the detection and classification of metastatic liver lesions: Results of the 2016 Low Dose CT Grand Challenge. Med Phys. 2017 Oct; 44 (10):e339-e352
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  78. Michalak G, Grimes J, Fletcher J, Halaweish A, Yu L, Leng S, McCollough C. Selection of optimal tube potential settings for dual-energy CT virtual mono-energetic imaging of iodine in the abdomen. Abdom Radiol (NY). 2017 Sep; 42 (9):2289-2296
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  79. Lightner AL, Faubion WA, Fletcher JG. Interdisciplinary Management of Perianal Crohn's Disease. Gastroenterol Clin North Am. 2017 Sep; 46 (3):547-562
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  80. Silverman SG, Megibow AJ, Fletcher JG. Society of Abdominal Radiology Disease-Focused Panel Program: rationale for its genesis and status report. Abdom Radiol (NY). 2017 Aug; 42 (8):2033-2036
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  81. Wells ML, Froemming AT, Kawashima A, Vrtiska TJ, Kim B, Hartman RP, Holmes DR 3rd, Carter RE, Bartley AC, Leng S, McCollough CH, Fletcher JG. A multi-reader in vitro study using porcine kidneys to determine the impact of integrated circuit detectors and iterative reconstruction on the detection accuracy, size measurement, and radiation dose for small (<4 mm) renal stones. Acta Radiol. 2017 Aug; 58: (8)1012-1019.
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  82. Fletcher JG, Yu L, Fidler JL, Levin DL, DeLone DR, Hough DM, Takahashi N, Venkatesh SK, Sykes AG, White D, Lindell RM, Kotsenas AL, Campeau NG, Lehman VT, Bartley AC, Leng S, Holmes DR 3rd, Toledano AY, Carter RE, McCollough CH. Estimation of Observer Performance for Reduced Radiation Dose Levels in CT: Eliminating Reduced Dose Levels That Are Too Low Is the First Step. Acad Radiol. 2017 Jul; 24 (7):876-890 Epub 2017 Mar 02
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  83. Dietz AB, Dozois EJ, Fletcher JG, Butler GW, Radel D, Lightner AL, Dave M, Friton J, Nair A, Camilleri ET, Dudakovic A, van Wijnen AJ, Faubion WA. Autologous Mesenchymal Stem Cells, Applied in a Bioabsorbable Matrix, for Treatment of Perianal Fistulas in Patients With Crohn's Disease. Gastroenterology. 2017 Jul; 153 (1):59-62.e2 Epub 2017 Apr 09
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  84. Mansuri I, Fletcher JG, Bruining DH, Kolbe AB, Fidler JL, Samuel S, Tung J. Endoscopic Skipping of the Terminal Ileum in Pediatric Crohn Disease. AJR Am J Roentgenol. 2017 Jun; 208 (6):W216-W224 Epub 2017 Apr 05
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  85. Vasconcelos RN, Dolan SG, Barlow JM, Wells ML, Sheedy SP, Fidler JL, Hansel S, Harmsen S, Fletcher JG. Impact of CT enterography on the diagnosis of small bowel gastrointestinal stromal tumors. Abdom Radiol (NY). 2017 May; 42 (5):1365-1373
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  86. Venkatesh SK, Hennedige T, Johnson GB, Hough DM, Fletcher JG. Imaging patterns and focal lesions in fatty liver: a pictorial review. Abdom Radiol (NY). 2017 May; 42 (5):1374-1392
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  87. Montoya JC, Eckel LJ, DeLone DR, Kotsenas AL, Diehn FE, Yu L, Bartley AC, Carter RE, McCollough CH, Fletcher JG. Low-Dose CT for Craniosynostosis: Preserving Diagnostic Benefit with Substantial Radiation Dose Reduction. AJNR Am J Neuroradiol. 2017 Apr; 38 (4):672-677 Epub 2017 Feb 09
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  88. Deepak P, Park SH, Ehman EC, Hansel SL, Fidler JL, Bruining DH, Fletcher JG. Crohn's disease diagnosis, treatment approach, and management paradigm: what the radiologist needs to know. Abdom Radiol (NY). 2017 Apr; 42 (4):1068-1086
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  89. Sheedy SP, Bruining DH, Dozois EJ, Faubion WA, Fletcher JG. MR Imaging of Perianal Crohn Disease. Radiology. 2017 Mar; 282 (3):628-645
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  90. Vasconcelos R, Vrtiska TJ, Foley TA, Macedo TA, Cardona JC, Williamson EE, McCollough CH, Fletcher JG. Reducing Iodine Contrast Volume in CT Angiography of the Abdominal Aorta Using Integrated Tube Potential Selection and Weight-Based Method Without Compromising Image Quality. AJR Am J Roentgenol. 2017 Mar; 208: (3)552-563.
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  91. Prichard DO, Lee T, Parthasarathy G, Fletcher JG, Zinsmeister AR, Bharucha AE. High-resolution Anorectal Manometry for Identifying Defecatory Disorders and Rectal Structural Abnormalities in Women. Clin Gastroenterol Hepatol. 2017 Mar; 15 (3):412-420 Epub 2016 Oct 05
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  92. Al-Bawardy B, Barlow JM, Vasconcelos RN, Kim ST, Bruining DH, Hansel SL, Sheedy SP, Murray JA, Rubio-Tapia A, Rajan E, Fidler JL, Fletcher JG. Cross-sectional imaging in refractory celiac disease. Abdom Radiol (NY). 2017 Feb; 42 (2):389-395
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  93. Sheedy SP, Barlow JM, Fletcher JG, Smyrk TC, Scholz FJ, Codipilly DC, Al Bawardy BF, Fidler JL. Beyond moulage sign and TTG levels: the role of cross-sectional imaging in celiac sprue. Abdom Radiol (NY). 2017 Feb; 42 (2):361-388
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  94. Al-Bawardy B, Sheedy SP, Herberts MB, Murray JA, Rubio-Tapia A, Rajan E, Bruining DH, Hansel SL, Barlow JM, Fletcher JG, Fidler JL. Collagenous sprue cross-sectional imaging: a comparative blinded study. Abdom Radiol (NY). 2017 Feb; 42 (2):396-402
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  95. Law R, Varayil JE, WongKeeSong LM, Fidler J, Fletcher JG, Barlow J, Alexander J, Rajan E, Hansel S, Becker B, Larson JJ, Enders FT, Bruining DH, Coelho-Prabhu N. Assessment of multi-modality evaluations of obscure gastrointestinal bleeding. World J Gastroenterol. 2017 Jan 28; 23 (4):614-621
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  96. Ma C, Yu L, Chen B, Koo CW, Takahashi EA, Fletcher JG, Levin DL, Kuzo RS, Viers LD, Vincent-Sheldon SA, Leng S, McCollough CH. Evaluation of a projection-domain lung nodule insertion technique in thoracic computed tomography. J Med Imaging (Bellingham). 2017 Jan; 4 (1):013510 Epub 2017 Mar 31
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  97. Wells ML, Moynagh MR, Carter RE, Childs RA, Leitch CE, Fletcher JG, Yeh BM, Venkatesh SK. Correlation of hepatic fractional extracellular space using gadolinium enhanced MRI with liver stiffness using magnetic resonance elastography. Abdom Radiol (NY). 2017 Jan; 42 (1):191-198
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  98. Marcus RP, Morris JM, Matsumoto JM, Alexander AE, Halaweish AF, Kelly JA, Fletcher JG, McCollough CH, Leng S. Implementation of iterative metal artifact reduction in the pre-planning-procedure of three-dimensional physical modeling. 3D Print Med. 2017; 3 (1):5 Epub 2017 Mar 31
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  99. Chen B, Ma C, Leng S, Fidler JL, Sheedy SP, McCollough CH, Fletcher JG, Yu L. Validation of a Projection-domain Insertion of Liver Lesions into CT Images. Acad Radiol. 2016 Oct; 23 (10):1221-9 Epub 2016 July 16
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  100. Deepak P, Fletcher JG, Fidler JL, Bruining DH. Computed Tomography and Magnetic Resonance Enterography in Crohn's Disease: Assessment of Radiologic Criteria and Endpoints for Clinical Practice and Trials. Inflamm Bowel Dis. 2016 Sep; 22 (9):2280-8
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  101. Cramer TW, Fletcher JG, Paden RG, Boltz TF 2nd, Stiles WL, Pavlicek W, Silva AC. A primer on the use of dual-energy CT in the evaluation of commonly encountered neoplasms. Abdom Radiol (NY). 2016 Aug; 41 (8):1618-31
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  102. Park JH, Kim B, Kim MS, Kim HJ, Ko Y, Ahn S, Karul M, Fletcher JG, Lee KH. Comparison of filtered back projection and iterative reconstruction in diagnosing appendicitis at 2-mSv CT. Abdom Radiol (NY). 2016 Jul; 41 (7):1227-36
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  103. Deepak P, Fletcher JG, Fidler JL, Barlow JM, Sheedy SP, Kolbe AB, Harmsen WS, Loftus EV, Hansel SL, Becker BD, Bruining DH. Radiological Response Is Associated With Better Long-Term Outcomes and Is a Potential Treatment Target in Patients With Small Bowel Crohn's Disease. Am J Gastroenterol. 2016 Jul; 111 (7):997-1006 Epub 2016 May 10
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  104. Al-Bawardy B, Fletcher JG, Rajan E, Hansel SL. Reply to: Can Radiologic Evaluation Before Capsule Endoscopy Predict Capsule Retention? Inflamm Bowel Dis 2016 May; 22 (5):E14-5
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  105. Deepak P, Hanson GJ, Fletcher JG, Tremaine WJ, Pardi DS, Kisiel JB, Schroeder KW, Wong Kee Song LM, Harmsen WS, Loftus EV Jr, Bruining DH. Incremental diagnostic yield of chromoendoscopy and outcomes in inflammatory bowel disease patients with a history of colorectal dysplasia on white-light endoscopy. Gastrointest Endosc. 2016 May; 83: (5)1005-12.
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  106. Kolbe AB, Fletcher JG, Froemming AT, Sheedy SP, Koo CW, Pundi K, Bruining DH, Tung J, Harmsen WS, Barlow JM, Fidler JL. Evaluation of Patient Tolerance and Small-Bowel Distention With a New Small-Bowel Distending Agent for Enterography. AJR Am J Roentgenol. 2016 May; 206: (5)994-1002.
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  107. Deepak P, Kolbe AB, Fidler JL, Fletcher JG, Knudsen JM, Bruining DH. Update on Magnetic Resonance Imaging and Ultrasound Evaluation of Crohn's Disease. Gastroenterol Hepatol (N Y). 2016 Apr; 12 (4):226-36
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  108. Fletcher JG, Leng S, Yu L, McCollough CH. Dealing with Uncertainty in CT Images. Radiology 2016 Apr; 279 (1):5-10
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  109. Michalak G, Grimes J, Fletcher J, Halaweish A, Yu L, Leng S, McCollough C. Technical Note: Improved CT number stability across patient size using dual-energy CT virtual monoenergetic imaging. Med Phys. 2016 Jan; 43: (1)513.
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  110. Wells ML, Froemming AT, Kawashima A, Vrtiska TJ, Kim B, Hartman RP, Holmes III DR, Carter RE, Bartley AC, Leng S, McCollough CH, Fletcher JG. A multi-reader in vitro study using porcine kidneys to determine the impact of integrated circuit detectors and iterative reconstruction on the detection accuracy, size measurement, and radiation dose for small (<4mm) renal stones Acta Radiologica.2016;0:(0)1-8.
  111. DeGrado TR, Kemp BJ, Pandey MK, Jiang H, Gunderson TM, Linscheid LR, Woodwick AR, McConnell DM, Fletcher JG, Johnson GB, Petersen RC, Knopman DS, Lowe VJ. First PET Imaging Studies With 63Zn-Zinc Citrate in Healthy Human Participants and Patients With Alzheimer Disease. Mol Imaging. 2016; 15 Epub 2016 Dec 09
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  112. Duan X, Li Z, Yu L, Leng S, Halaweish AF, Fletcher JG, McCollough CH. Characterization of Urinary Stone Composition by Use of Third-Generation Dual-Source Dual-Energy CT With Increased Spectral Separation. AJR Am J Roentgenol. 2015 Dec; 205 (6):1203-7
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  113. Bharucha AE, Parthasarathy G, Ditah I, Fletcher JG, Ewelukwa O, Pendlimari R, Yawn BP, Melton LJ, Schleck C, Zinsmeister AR. Temporal Trends in the Incidence and Natural History of Diverticulitis: A Population-Based Study. Am J Gastroenterol. 2015 Nov; 110 (11):1589-96 Epub 2015 Sept 29
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  114. Yu L, Fletcher JG, Shiung M, Thomas KB, Matsumoto JM, Zingula SN, McCollough CH. Radiation Dose Reduction in Pediatric Body CT Using Iterative Reconstruction and a Novel Image-Based Denoising Method. AJR Am J Roentgenol. 2015 Nov; 205 (5):1026-37
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  115. Kotsenas AL, Michalak GJ, DeLone DR, Diehn FE, Grant K, Halaweish AF, Krauss A, Raupach R, Schmidt B, McCollough CH, Fletcher JG. CT Metal Artifact Reduction in the Spine: Can an Iterative Reconstruction Technique Improve Visualization? AJNR Am J Neuroradiol. 2015 Nov; 36 (11):2184-90 Epub 2015 Aug 06
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  116. McCollough CH, Bushberg JT, Fletcher JG, Eckel LJ. Answers to Common Questions About the Use and Safety of CT Scans. Mayo Clin Proc. 2015 Oct; 90: (10)1380-92.
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  117. Prichard D, Harvey DM, Fletcher JG, Zinsmeister AR, Bharucha AE. Relationship Among Anal Sphincter Injury, Patulous Anal Canal, and Anal Pressures in Patients With Anorectal Disorders. Clin Gastroenterol Hepatol. 2015 Oct; 13 (10):1793-1800.e1 Epub 2015 Apr 11
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  118. Wells ML, Venkatesh SK, Chandan VS, Fidler JL, Fletcher JG, Johnson GB, Hough DM, Roberts LR. Biphenotypic hepatic tumors: imaging findings and review of literature. Abdom Imaging. 2015 Oct; 40 (7):2293-305
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  119. Al-Bawardy B, Locke G, Huprich JE, Fletcher JG, Fidler JL, Barlow JM, Becker B, Rajan E, Loftus EV Jr, Bruining DH, Hansel SL. Retained Capsule Endoscopy in a Large Tertiary Care Academic Practice and Radiologic Predictors of Retention. Inflamm Bowel Dis. 2015 Sep; 21 (9):2158-64
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  120. McCollough CH, Leng S, Yu L, Fletcher JG. Dual- and Multi-Energy CT: Principles, Technical Approaches, and Clinical Applications. Radiology. 2015 Sep; 276 (3):637-53
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  121. Dickinson KJ, Matsumoto J, Cassivi SD, Reinersman JM, Fletcher JG, Morris J, Wong Kee Song LM, Blackmon SH. Individualizing Management of Complex Esophageal Pathology Using Three-Dimensional Printed Models. Ann Thorac Surg. 2015 Aug; 100(2):692-7.
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  122. Leng S, Yu L, Fletcher JG, McCollough CH. Maximizing Iodine Contrast-to-Noise Ratios in Abdominal CT Imaging through Use of Energy Domain Noise Reduction and Virtual Monoenergetic Dual-Energy CT. Radiology. 2015 Aug; 276 (2):562-70 Epub 2015 Apr 10
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  123. Fletcher JG, Yu L, Li Z, Manduca A, Blezek DJ, Hough DM, Venkatesh SK, Brickner GC, Cernigliaro JC, Hara AK, Fidler JL, Lake DS, Shiung M, Lewis D, Leng S, Augustine KE, Carter RE, Holmes DR 3rd, McCollough CH. Observer Performance in the Detection and Classification of Malignant Hepatic Nodules and Masses with CT Image-Space Denoising and Iterative Reconstruction. Radiology. 2015 Aug; 276 (2):465-78 Epub 2015 May 26
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  124. Weber NK, Fletcher JG, Fidler JL, Barlow JM, Pruthi S, Loftus EV Jr, Pardi DS, Smyrk TC, Becker BD, Pasha SF, Bruining DH. Clinical characteristics and imaging features of small bowel adenocarcinomas in Crohn's disease. Abdom Imaging. 2015 Jun; 40: (5)1060-7.
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  125. Baker ME, Hara AK, Platt JF, Maglinte DDT, Fletcher JG. Ct enterography for Crohn's disease: optimal technique and imaging issues. Abdom Imaging. 2015 Jun; 40(5):938-52.
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  126. Soto JA, Park SH, Fletcher JG, Fidler JL. Gastrointestinal hemorrhage: evaluation with mdct. Abdom Imaging. 2015 Jun; 40(5):993-1009.
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  127. Bruining DH, Bhatnagar G, Rimola J, Taylor S, Zimmermann EM, Fletcher JG. CT and MR enterography in Crohn's disease: current and future applications. Abdom Imaging. 2015 Jun; 40: (5)965-74.
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  128. Barlow JM, Goss BC, Hansel SL, Kolbe AB, Rackham JL, Bruining DH, Fletcher JG. CT enterography: technical and interpretive pitfalls. Abdom Imaging. 2015 Jun; 40: (5)1081-96.
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  129. Frye JM, Hansel SL, Dolan SG, Fidler JL, Song LM, Barlow JM, Smyrk TC, Flicek KT, Hara AK, Bruining DH, Fletcher JG. NSAID enteropathy: appearance at CT and MR enterography in the age of multi-modality imaging and treatment. Abdom Imaging. 2015 Jun; 40: (5)1011-25.
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  130. Fletcher JG, Hara AK, Fidler JL, Silva AC, Barlow JM, Carter RE, Bartley A, Shiung M, Holmes DR 3rd, Weber NK, Bruining DH, Yu L, McCollough CH. Observer performance for adaptive, image-based denoising and filtered back projection compared to scanner-based iterative reconstruction for lower dose CT enterography. Abdom Imaging. 2015 Jun; 40 (5):1050-9
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  131. Yu L, Vrieze TJ, Leng S, Fletcher JG, McCollough CH. Technical Note: Measuring contrast- and noise-dependent spatial resolution of an iterative reconstruction method in CT using ensemble averaging. Med Phys. 2015 May; 42 (5):2261-7
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  132. Gabriel S, Eckel LJ, DeLone DR, Krecke KN, Luetmer PH, McCollough CH, Fletcher JG, Yu L. Pilot study of radiation dose reduction for pediatric head CT in evaluation of ventricular size. AJNR Am J Neuroradiol. 2014 Dec; 35 (12):2237-42 Epub 2014 July 31
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  133. Fidler JL, Zhang Z, Herman BA, Limburg PJ, Fletcher JG, Dachman A, Heiken JP, Kuo MD, Menias CO, Siewert B, Cheema JI, Obregon RG, Zimmerman P, Horton KM, Coakley K, Iyer RB, Hara A, Halvorsen RA Jr, Casola G, Yee J, Burgart LJ, Johnson CD. CT colonography for the detection of nonpolypoid adenomas: sensitivity assessed with restricted national CT colonography trial criteria. AJR Am J Roentgenol. 2014 Dec; 203 (6):W614-22
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  134. Ehman EC, Yu L, Manduca A, Hara AK, Shiung MM, Jondal D, Lake DS, Paden RG, Blezek DJ, Bruesewitz MR, McCollough CH, Hough DM, Fletcher JG. Methods for clinical evaluation of noise reduction techniques in abdominopelvic CT. Radiographics. 2014 Jul-Aug; 34: (4)849-62.
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  135. Bharucha AE, Fletcher JG, Camilleri M, Edge J, Carlson P, Zinsmeister AR. Effects of clonidine in women with fecal incontinence. Clin Gastroenterol Hepatol. 2014 May; 12 (5):843-851.e2; quiz e44 Epub 2013 July 23
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  136. Liu Y, Leng S, Michalak GJ, Vrieze TJ, Duan X, Qu M, Shiung MM, McCollough CH, Fletcher JG. Reducing image noise in computed tomography (CT) colonography: effect of an integrated circuit CT detector. J Comput Assist Tomogr. 2014 May-Jun; 38: (3)398-403.
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  137. Tsuji Y, Takahashi N, Fletcher JG, Hough DM, McMenomy BP, Lewis DM, Vege SS, Chari ST, McCollough CH, Grant KL, Klotz E. Subtraction color map of contrast-enhanced and unenhanced CT for the prediction of pancreatic necrosis in early stage of acute pancreatitis. AJR Am J Roentgenol. 2014 Apr; 202: (4)W349-56.
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  138. Weber NK, Fidler JL, Keaveny TM, Clarke BL, Khosla S, Fletcher JG, Lee DC, Pardi DS, Loftus EV Jr, Kane SV, Barlow JM, Murthy NS, Becker BD, Bruining DH. Validation of a CT-derived method for osteoporosis screening in IBD patients undergoing contrast-enhanced CT enterography. Am J Gastroenterol. 2014 Mar; 109 (3):401-8 Epub 2014 Jan 21
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  139. Glazebrook KN, Brewerton LJ, Leng S, Carter RE, Rhee PC, Murthy NS, Howe BM, Ringler MD, Dahm DL, Stuart MJ, McCollough CH, Fletcher JG. Case-control study to estimate the performance of dual-energy computed tomography for anterior cruciate ligament tears in patients with history of knee trauma. Skeletal Radiol. 2014 Mar; 43 (3):297-305 Epub 2013 Dec 14
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  140. Li Z, Yu L, Trzasko JD, Lake DS, Blezek DJ, Fletcher JG, McCollough CH, Manduca A. Adaptive nonlocal means filtering based on local noise level for CT denoising. Med Phys. 2014 Jan; 41: (1)011908.
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  141. Faubion WA Jr, Fletcher JG, O'Byrne S, Feagan BG, de Villiers WJ, Salzberg B, Plevy S, Proctor DD, Valentine JF, Higgins PD, Harris JM, Diehl L, Wright L, Tew GW, Luca D, Basu K, Keir ME. EMerging BiomARKers in Inflammatory Bowel Disease (EMBARK) study identifies fecal calprotectin, serum MMP9, and serum IL-22 as a novel combination of biomarkers for Crohn's disease activity: role of cross-sectional imaging. Am J Gastroenterol. 2013 Dec; 108 (12):1891-900 Epub 2013 Oct 15
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  142. Fletcher JG, Silva AC, Fidler JL, Cernigliaro JG, Manduca A, Limburg PJ, Wilson LA, Engelby TA, Spencer G, Harmsen WS, Mandrekar J, Johnson CD. Noncathartic CT colonography: Image quality assessment and performance and in a screening cohort. AJR Am J Roentgenol. 2013 Oct; 201 (4):787-94
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  143. Yu L, Fletcher JG, Grant KL, Carter RE, Hough DM, Barlow JM, Vrtiska TJ, Williamson EE, Young PM, Goss BC, Shiung M, Leng S, Raupach R, Schmidt B, Flohr T, McCollough CH. Automatic selection of tube potential for radiation dose reduction in vascular and contrast-enhanced abdominopelvic CT. AJR Am J Roentgenol. 2013 Aug; 201(2):W297-306.
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  144. Fidler JL, Fletcher JG, Bruining DH, Trenkner SW. Current status of CT, magnetic resonance, and barium in inflammatory bowel disease. Semin Roentgenol. 2013 Jul; 48: (3)234-44.
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  145. Del Gaizo AJ, Fletcher JG, Yu L, Paden RG, Spencer GC, Leng S, Silva AM, Fidler JL, Silva AC, Hara AK. Reducing radiation dose in CT enterography. Radiographics. 2013 Jul-Aug; 33 (4):1109-24
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  146. Froemming AT, Kawashima A, Takahashi N, Hartman RP, Nathan MA, Carter RE, Yu L, Leng S, Kagoshima H, McCollough CH, Fletcher JG. Individualized kV selection and tube current reduction in excretory phase computed tomography urography: potential for radiation dose reduction and the contribution of iterative reconstruction to image quality. J Comput Assist Tomogr. 2013 Jul-Aug; 37(4):551-9.
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  147. Hough DM, Yu L, Shiung MM, Carter RE, Geske JR, Leng S, Fidler JL, Huprich JE, Jondal DY, McCollough CH, Fletcher JG. Individualization of abdominopelvic CT protocols with lower tube voltage to reduce i.v. contrast dose or radiation dose. AJR Am J Roentgenol. 2013 Jul; 201 (1):147-53
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  148. Fletcher JG, Krueger WR, Hough DM, Huprich JE, Fidler JL, Wang J, Shiung MM, Harmsen WS, Grant KL, McCollough CH. Pilot study of detection, radiologist confidence and image quality with sinogram-affirmed iterative reconstruction at half-routine dose level. J Comput Assist Tomogr. 2013 Mar-Apr; 37(2):203-11.
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  149. Fletcher JG, Kofler JM, Coburn JA, Bruining DH, McCollough CH. Perspective on radiation risk in CT imaging. Abdom Imaging. 2013 Feb; 38(1):22-31.
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  150. Lee LC, Grant CS, Salomao DR, Fletcher JG, Takahashi N, Fidler JL, Levy MJ, Huebner M. Small, nonfunctioning, asymptomatic pancreatic neuroendocrine tumors (PNETs): role for nonoperative management. Surgery. 2012 Dec; 152(6):965-74. Epub 2012 Oct 24.
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  151. Samuel S, Bruining DH, Loftus EV Jr, Becker B, Fletcher JG, Mandrekar JN, Zinsmeister AR, Sandborn WJ. Endoscopic skipping of the distal terminal ileum in Crohn's disease can lead to negative results from ileocolonoscopy. Clin Gastroenterol Hepatol. 2012 Nov; 10(11):1253-9. Epub 2012 Apr 10.
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  152. Hough DM, Fletcher JG, Grant KL, Fidler JL, Yu L, Geske JR, Carter RE, Raupach R, Schmidt B, Flohr T, McCollough CH. Lowering kilovoltage to reduce radiation dose in contrast-enhanced abdominal CT: initial assessment of a prototype automated kilovoltage selection tool. AJR Am J Roentgenol. 2012 Nov; 199(5):1070-7.
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  153. Noelting J, Bharucha AE, Lake DS, Manduca A, Fletcher JG, Riederer SJ, Melton LJ 3rd, Joseph Melton L 3rd, Zinsmeister AR. Semi-automated vectorial analysis of anorectal motion by magnetic resonance defecography in healthy subjects and fecal incontinence. Neurogastroenterol Motil. 2012 Oct; 24 (10):e467-75 Epub 2012 July 06
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  154. Fletcher JG, Grant KL, Fidler JL, Shiung M, Yu L, Wang J, Schmidt B, Allmendinger T, McCollough CH. Validation of dual-source single-tube reconstruction as a method to obtain half-dose images to evaluate radiation dose and noise reduction: phantom and human assessment using CT colonography and sinogram-affirmed iterative reconstruction (SAFIRE). J Comput Assist Tomogr. 2012 Sep-Oct; 36 (5):560-9
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  155. Qu M, Ehman E, Fletcher JG, Huprich JE, Hara AK, Silva AC, Farrugia G, Limburg P, McCollough CH. Toward biphasic computed tomography (CT) enteric contrast: material classification of luminal bismuth and mural iodine in a small-bowel phantom using dual-energy CT. J Comput Assist Tomogr. 2012 Sep-Oct; 36: (5)554-9.
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  156. Absah I, Bruining DH, Matsumoto JM, Weisbrod AJ, Fletcher JG, Fidler JL, Faubion WA Jr. MR enterography in pediatric inflammatory bowel disease: retrospective assessment of patient tolerance, image quality, and initial performance estimates. AJR Am J Roentgenol. 2012 Sep; 199(3):W367-75.
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  157. McBride JF, Wardrop RM 3rd, Paxton BE, Mandrekar J, Fletcher JG. Effect on examination ordering by physician attitude, common knowledge, and practice behavior regarding CT radiation exposure. Clin Imaging. 2012 Sep-Oct; 36(5):455-461.e1. Epub 2012 Jun 8
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  158. Bharucha AE, Fletcher JG, Melton LJ 3rd, Zinsmeister AR. Obstetric trauma, pelvic floor injury and fecal incontinence: a population-based case-control study. Am J Gastroenterol. 2012 Jun; 107 (6):902-11 Epub 2012 Mar 13
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  159. Nguyen DL, Sandborn WJ, Loftus EV Jr, Larson DW, Fletcher JG, Becker B, Mandrekar J, Harmsen WS, Bruining DH. Similar outcomes of surgical and medical treatment of intra-abdominal abscesses in patients with Crohn's disease. Clin Gastroenterol Hepatol. 2012 Apr; 10(4):400-4. Epub 2011 Dec 07.
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  160. Canto MI, Hruban RH, Fishman EK, Kamel IR, Schulick R, Zhang Z, Topazian M, Takahashi N, Fletcher J, Petersen G, Klein AP, Axilbund J, Griffin C, Syngal S, Saltzman JR, Mortele KJ, Lee J, Tamm E, Vikram R, Bhosale P, Margolis D, Farrell J, Goggins M, American Cancer. Frequent detection of pancreatic lesions in asymptomatic high-risk individuals. Gastroenterology. 2012 Apr; 142(4):796-804; quiz e14-5. Epub 2012 Jan 12
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  161. Hartman R, Kawashima A, Takahashi N, Silva A, Vrtiska T, Leng S, Fletcher J, McCollough C. Applications of dual-energy CT in urologic imaging: an update. Radiol Clin North Am. 2012 Mar; 50: (2)191-205, v.
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  162. Ehman EC, Guimaraes LS, Fidler JL, Takahashi N, Ramirez-Giraldo JC, Yu L, Manduca A, Huprich JE, McCollough CH, Holmes D 3rd, Harmsen WS, Fletcher JG. Noise reduction to decrease radiation dose and improve conspicuity of hepatic lesions at contrast-enhanced 80-kV hepatic CT using projection space denoising. AJR Am J Roentgenol. 2012 Feb; 198: (2)405-11.
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  163. Bruining DH, Siddiki HA, Fletcher JG, Sandborn WJ, Fidler JL, Huprich JE, Mandrekar JN, Harmsen WS, Evans PE, Faubion WA, Hanson KA, Ingle SB, Pardi DS, Schroeder KW, Tremaine WJ, Loftus EV Jr. Benefit of computed tomography enterography in Crohn's disease: effects on patient management and physician level of confidence. Inflamm Bowel Dis. 2012 Feb; 18 (2):219-25 Epub 2011 Feb 17
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  164. Panjwani N, Linguraru MG, Fletcher JG, Summers RM. Computer-aided polyp detection for laxative-free CT colonography. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 2012; 7029 LNCS:18-26.
  165. Nappi JJ, Sahani DV, Fletcher JG, Yoshida H. Automated detection and diagnosis of Crohn's disease in CT enterography. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 2012; 7029 LNCS:84-90.
  166. Fletcher JG, Fidler JL, Huprich JE, Llano E, Spencer G, Bruining DH. Small-bowel imaging with CT and MRI: Overview of techniques and indications. Appl Radiol. 2012; 41(12):18-24.
  167. Yu L, Christner JA, Leng S, Wang J, Fletcher JG, McCollough CH. Virtual monochromatic imaging in dual-source dual-energy CT: radiation dose and image quality. Med Phys. 2011 Dec; 38 (12):6371-9
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  168. Glazebrook KN, Guimaraes LS, Murthy NS, Black DF, Bongartz T, Manek NJ, Leng S, Fletcher JG, McCollough CH. Identification of intraarticular and periarticular uric acid crystals with dual-energy CT: initial evaluation. Radiology. 2011 Nov; 261: (2)516-24.
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  169. Leng S, Yu L, Wang J, Fletcher JG, Mistretta CA, McCollough CH. Noise reduction in spectral CT: reducing dose and breaking the trade-off between image noise and energy bin selection. Med Phys. 2011 Sep; 38: (9)4946-57.
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  170. Huprich JE, Fletcher JG, Fidler JL, Alexander JA, Guimaraes LS, Siddiki HA, McCollough CH. Prospective blinded comparison of wireless capsule endoscopy and multiphase CT enterography in obscure gastrointestinal bleeding. Radiology. 2011 Sep; 260(3):744-51. Epub 2011 Jun 03.
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  171. Bruining DH, Loftus EV Jr, Ehman EC, Siddiki HA, Nguyen DL, Fidler JL, Huprich JE, Mandrekar JN, Harmsen WS, Sandborn WJ, Fletcher JG. Computed tomography enterography detects intestinal wall changes and effects of treatment in patients with Crohn's disease. Clin Gastroenterol Hepatol. 2011 Aug; 9: (8)679-683.e1.
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  172. Pariente B, Cosnes J, Danese S, Sandborn WJ, Lewin M, Fletcher JG, Chowers Y, D'Haens G, Feagan BG, Hibi T, Hommes DW, Irvine EJ, Kamm MA, Loftus EV, Louis E, Michetti P, Munkholm P, Oresland T, Panes J, Peyrin-Biroulet L, Reinisch W, Sands BE, Schoelmerich J, Schreiber S, Tilg H, Travis S, van Assche G, Vecchi M, Mary JY, Colombel JF, Lemann M. Development of the Crohn's disease digestive damage score, the Lemann score. Inflamm Bowel Dis. 2011 Jun; 17(6):1415-22. Epub 2010 Nov 28
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  173. Fletcher JG, Fidler JL, Bruining DH, Huprich JE. New concepts in intestinal imaging for inflammatory bowel diseases. Gastroenterology. 2011 May; 140: (6)1795-806.
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  174. Yu L, Bruesewitz MR, Thomas KB, Fletcher JG, Kofler JM, McCollough CH. Optimal tube potential for radiation dose reduction in pediatric CT: principles, clinical implementations, and pitfalls. Radiographics. 2011 May-Jun; 31(3):835-48.
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  175. Apel A, Fletcher JG, Fidler JL, Hough DM, Yu L, Guimaraes LS, Bellemann ME, McCollough CH, Holmes DR, Eusemann CD. Pilot multi-reader study demonstrating potential for dose reduction in dual energy hepatic CT using non-linear blending of mixed kV image datasets. Eur Radiol. 2011 Mar; 21(3):644-52. Epub 2010 Sep 29.
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  176. Siddiki H, Fletcher JG, Hara AK, Kofler JM, McCollough CH, Fidler JL, Guimaraes L, Huprich JE, Sandborn WJ, Loftus EV Jr, Mandrekar J, Bruining DH. Validation of a lower radiation computed tomography enterography imaging protocol to detect Crohn's disease in the small bowel. Inflamm Bowel Dis. 2011 Mar; 17 (3):778-86
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  177. Nappi J, Lee JG, Fletcher JG, Yoshida H. Computer-assisted diagnosis for quantitative image-based analysis of Crohn's disease in CT enterography. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). 2011; 6668 LNCS:84-90.
  178. Linguraru MG, Panjwani N, Fletcher JG, Summer RM. Automated image-based colon cleansing for laxative-free CT colonography computer-aided polyp detection. Med Phys. 2011; 38(12):6633-42.
  179. Huprich JE, Fletcher JG, Fidler JL, Llano E. Obscure GI bleeding: The role of multiphase CT enterography. Appl Radiol. 2011; 40(12):16-20.
  180. Guimaraes LS, Fletcher JG, Harmsen WS, Yu L, Siddiki H, Melton Z, Huprich JE, Hough D, Hartman R, McCollough CH. Appropriate patient selection at abdominal dual-energy CT using 80 kV: relationship between patient size, image noise, and image quality. Radiology. 2010 Dec; 257(3):732-42. Epub 2010 Oct 19.
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  181. Primak AN, Giraldo JC, Eusemann CD, Schmidt B, Kantor B, Fletcher JG, McCollough CH. Dual-source dual-energy CT with additional tin filtration: Dose and image quality evaluation in phantoms and in vivo. AJR Am J Roentgenol. 2010 Nov; 195 (5):1164-74
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  182. Klingele CJ, Lightner DJ, Fletcher JG, Gebhart JB, Bharucha AE. Dysfunctional urinary voiding in women with functional defecatory disorders. Neurogastroenterol Motil. 2010 Oct; 22 (10):1094-e284 Epub 2010 June 17
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  183. Guimaraes LS, Fletcher JG, Yu L, Huprich JE, Fidler JL, Manduca A, Ramirez-Giraldo JC, Holmes DR Jr, McCollough CH. Feasibility of dose reduction using novel denoising techniques for low kV (80 kV) CT enterography: optimization and validation. Acad Radiol. 2010 Oct; 17 (10):1203-10
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  184. Li H, Yu L, Liu X, Fletcher JG, McCollough CH. Metal artifact suppression from reformatted projections in multislice helical CT using dual-front active contours. Med Phys. 2010 Oct; 37: (10)5155-64.
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  185. Orme NM, Fletcher JG, Siddiki HA, Harmsen WS, O'Byrne MM, Port JD, Tremaine WJ, Pitot HC, McFarland EG, Robinson ME, Koenig BA, King BF, Wolf SM. Incidental findings in imaging research: evaluating incidence, benefit, and burden. Arch Intern Med. 2010 Sep 27; 170 (17):1525-32
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  186. Vege SS, Fletcher JG, Talukdar R, Sarr MG. Peripancreatic collections in acute pancreatitis: correlation between computerized tomography and operative findings. World J Gastroenterol. 2010 Sep 14; 16(34):4291-6.
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  187. Christensen KN, Fidler JL, Fletcher JG, Maccarty R, Johnson CD. Pictorial review of colonic polyp and mass distortion and recognition with the CT virtual dissection technique. Radiographics. 2010 Sep; 30: (5)e42; discussion e43.
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  188. Takahashi N, Vrtiska TJ, Kawashima A, Hartman RP, Primak AN, Fletcher JG, McCollough CH. Detectability of urinary stones on virtual nonenhanced images generated at pyelographic-phase dual-energy CT. Radiology. 2010 Jul; 256 (1):184-90
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  189. Fletcher JG, Chen MH, Herman BA, Johnson CD, Toledano A, Dachman AH, Hara AK, Fidler JL, Menias CO, Coakley KJ, Kuo M, Horton KM, Cheema J, Iyer R, Siewert B, Yee J, Obregon R, Zimmerman P, Halvorsen R, Casola G, Morrin M. Can radiologist training and testing ensure high performance in CT colonography? Lessons From the National CT Colonography Trial. AJR Am J Roentgenol. 2010 Jul; 195 (1):117-25
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  190. Vrtiska TJ, Takahashi N, Fletcher JG, Hartman RP, Yu L, Kawashima A. Genitourinary applications of dual-energy CT. AJR Am J Roentgenol. 2010 Jun; 194 (6):1434-42
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  191. Ramirez-Giraldo JC, Fletcher JG, McCollough CH. Noise reduction in computed tomography images using an anisotropic bilateral filter Revista Ingeniería Biomédica. 2010; 4(7):55-62.
  192. Guimaraes LS, Fidler JL, Fletcher JG, Bruining DH, Huprich JE, Siddiki H, Sandborn WJ, Loftus EV Jr, Pardi DS, McCollough CH. Assessment of appropriateness of indications for CT enterography in younger patients. Inflamm Bowel Dis. 2010 Feb; 16 (2):226-32
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  193. Koilakou S, Sailer J, Peloschek P, Ferlitsch A, Vogelsang H, Miehsler W, Fletcher J, Turetschek K, Schima W, Reinisch W. Endoscopy and MR enteroclysis: equivalent tools in predicting clinical recurrence in patients with Crohn's disease after ileocolic resection. Inflamm Bowel Dis. 2010 Feb; 16(2):198-203.
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  194. Yu L, Li H, Fletcher JG, McCollough CH. Automatic selection of tube potential for radiation dose reduction in CT: a general strategy. Med Phys. 2010 Jan; 37: (1)234-43.
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  195. Fidler JL, Christensen KN, Fletcher JG, Johnson CD. Authors' Response. Radiographics. 2010; 30(5):3-5.
  196. Yu L, Li H, Mueller J, Kofler JM, Liu X, Primak AN, Fletcher JG, Guimaraes LS, Macedo T, McCollough CH. Metal artifact reduction from reformatted projections for hip prostheses in multislice helical computed tomography: techniques and initial clinical results. Invest Radiol. 2009 Nov; 44 (11):691-6
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  197. Manduca A, Yu L, Trzasko JD, Khaylova N, Kofler JM, McCollough CM, Fletcher JG. Projection space denoising with bilateral filtering and CT noise modeling for dose reduction in CT. Med Phys. 2009 Nov; 36 (11):4911-9
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  198. McFarland EG, Fletcher JG, Pickhardt P, Dachman A, Yee J, McCollough CH, Macari M, Knechtges P, Zalis M, Barish M, Kim DH, Keysor KJ, Johnson CD, American College of Radiology. ACR Colon Cancer Committee white paper: status of CT colonography 2009. J Am Coll Radiol. 2009 Nov; 6(11):756-772.e4.
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  199. Yu L, Liu X, Leng S, Kofler JM, Ramirez-Giraldo JC, Qu M, Christner J, Fletcher JG, McCollough CH. Radiation dose reduction in computed tomography: techniques and future perspective. Imaging Med. 2009 Oct; 1 (1):65-84
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  200. Takahashi N, Fletcher JG, Hough DM, Fidler JL, Kawashima A, Mandrekar JN, Chari ST. Autoimmune pancreatitis: differentiation from pancreatic carcinoma and normal pancreas on the basis of enhancement characteristics at dual-phase CT. AJR Am J Roentgenol. 2009 Aug; 193 (2):479-84
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  201. Siddiki HA, Fidler JL, Fletcher JG, Burton SS, Huprich JE, Hough DM, Johnson CD, Bruining DH, Loftus EV Jr, Sandborn WJ, Pardi DS, Mandrekar JN. Prospective comparison of state-of-the-art MR enterography and CT enterography in small-bowel Crohn's disease. AJR Am J Roentgenol. 2009 Jul; 193: (1)113-21.
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  202. McCollough CH, Guimaraes L, Fletcher JG. In defense of body CT. AJR Am J Roentgenol. 2009 Jul; 193 (1):28-39
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  203. Booya F, Akram S, Fletcher JG, Huprich JE, Johnson CD, Fidler JL, Barlow JM, Solem CA, Sandborn WJ, Loftus EV Jr. CT enterography and fistulizing Crohn's disease: clinical benefit and radiographic findings. Abdom Imaging. 2009 Jul; 34: (4)467-75.
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  204. Brown CL, Hartman RP, Dzyubak OP, Takahashi N, Kawashima A, McCollough CH, Bruesewitz MR, Primak AM, Fletcher JG. Dual-energy CT iodine overlay technique for characterization of renal masses as cyst or solid: a phantom feasibility study. Eur Radiol. 2009 May; 19 (5):1289-95 Epub 2009 Jan 20
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  205. Fletcher JG. CT enterography technique: theme and variations. Abdom Imaging. 2009 May-Jun; 34: (3)283-8.
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  206. Daniel HD, Fletcher JG, Chandy GM, Abraham P. Quantitation of hepatitis B virus DNA in plasma using a sensitive cost-effective "in-house" real-time PCR assay. Indian J Med Microbiol. 2009 Apr-Jun; 27(2):111-5.
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  207. Huprich JE, Fletcher JG. CT enterography: principles, technique and utility in Crohn's disease. Eur J Radiol. 2009 Mar; 69: (3)393-7.
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  208. Bodily KD, Takahashi N, Fletcher JG, Fidler JL, Hough DM, Kawashima A, Chari ST. Autoimmune pancreatitis: pancreatic and extrapancreatic imaging findings. AJR Am J Roentgenol. 2009 Feb; 192(2):431-7.
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  209. Fletcher JG, Takahashi N, Hartman R, Guimaraes L, Huprich JE, Hough DM, Yu L, McCollough CH. Dual-energy and dual-source CT: is there a role in the abdomen and pelvis? Radiol Clin North Am. 2009 Jan; 47: (1)41-57.
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  210. Holmes DR 3rd, Fletcher JG, Apel A, Huprich JE, Siddiki H, Hough DM, Schmidt B, Flohr TG, Robb R, McCollough C, Wittmer M, Eusemann C. Evaluation of non-linear blending in dual-energy computed tomography. Eur J Radiol. 2008 Dec; 68 (3):409-13 Epub 2008 Nov 05
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  211. Bruining DH, Siddiki HA, Fletcher JG, Tremaine WJ, Sandborn WJ, Loftus EV Jr. Prevalence of penetrating disease and extraintestinal manifestations of Crohn's disease detected with CT enterography. Inflamm Bowel Dis. 2008 Dec; 14 (12):1701-6
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  212. Hough DM, Kuntz MA, Fidler JL, Johnson CD, Petersen BT, Kofler JM, Fletcher JG. Detection of occult colonic perforation before CT colonography after incomplete colonoscopy: perforation rate and use of a low-dose diagnostic scan before CO2 insufflation. AJR Am J Roentgenol. 2008 Oct; 191: (4)1077-81.
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  213. Dachman AH, Kelly KB, Zintsmaster MP, Rana R, Khankari S, Novak JD, Ali AN, Qalbani A, Fletcher JG. Formative evaluation of standardized training for CT colonographic image interpretation by novice readers. Radiology. 2008 Oct; 249(1):167-77.
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  214. Solem CA, Loftus EV Jr, Fletcher JG, Baron TH, Gostout CJ, Petersen BT, Tremaine WJ, Egan LJ, Faubion WA, Schroeder KW, Pardi DS, Hanson KA, Jewell DA, Barlow JM, Fidler JL, Huprich JE, Johnson CD, Harmsen WS, Zinsmeister AR, Sandborn WJ. Small-bowel imaging in Crohn's disease: a prospective, blinded, 4-way comparison trial. Gastrointest Endosc. 2008 Aug; 68: (2)255-66.
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  215. Peloquin JM, Pardi DS, Sandborn WJ, Fletcher JG, McCollough CH, Schueler BA, Kofler JA, Enders FT, Achenbach SJ, Loftus EV Jr. Diagnostic ionizing radiation exposure in a population-based cohort of patients with inflammatory bowel disease. Am J Gastroenterol. 2008 Aug; 103 (8):2015-22 Epub 2008 June 28
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  216. Tay SC, Primak AN, Fletcher JG, Schmidt B, An KN, McCollough CH. Understanding the relationship between image quality and motion velocity in gated computed tomography: preliminary work for 4-dimensional musculoskeletal imaging. J Comput Assist Tomogr. 2008 Jul-Aug; 32 (4):634-9
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  217. Siddiki H, Fletcher JG, McFarland B, Dajani N, Orme N, Koenig B, Strobel M, Wolf SM. Incidental findings in CT colonography: literature review and survey of current research practice. J Law Med Ethics. 2008 Summer; 36 (2):320-31, 213
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  218. Wolf SM, Lawrenz FP, Nelson CA, Kahn JP, Cho MK, Clayton EW, Fletcher JG, Georgieff MK, Hammerschmidt D, Hudson K, Illes J, Kapur V, Keane MA, Koenig BA, Leroy BS, McFarland EG, Paradise J, Parker LS, Terry SF, Van Ness B, Wilfond BS. Managing incidental findings in human subjects research: analysis and recommendations. J Law Med Ethics. 2008 Summer; 36(2):219-48, 211.
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  219. Perri RE, Chiorean MV, Fidler JL, Fletcher JG, Talwalkar JA, Stadheim L, Shah ND, Kamath PS. A prospective evaluation of computerized tomographic (CT) scanning as a screening modality for esophageal varices. Hepatology. 2008 May; 47: (5)1587-94.
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  220. Takahashi N, Hartman RP, Vrtiska TJ, Kawashima A, Primak AN, Dzyubak OP, Mandrekar JN, Fletcher JG, McCollough CH. Dual-energy CT iodine-subtraction virtual unenhanced technique to detect urinary stones in an iodine-filled collecting system: a phantom study. AJR Am J Roentgenol. 2008 May; 190 (5):1169-73
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  221. Fletcher JG, Huprich J, Loftus EV Jr, Bruining DH, Fidler JL. Computerized tomography enterography and its role in small-bowel imaging. Clin Gastroenterol Hepatol. 2008 Mar; 6: (3)283-9.
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  222. Huprich JE, Fletcher JG, Alexander JA, Fidler JL, Burton SS, McCullough CH. Obscure gastrointestinal bleeding: evaluation with 64-section multiphase CT enterography--initial experience. Radiology. 2008 Feb; 246: (2)562-71.
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  223. Johnson CD, Manduca A, Fletcher JG, MacCarty RL, Carston MJ, Harmsen WS, Mandrekar JN. Noncathartic CT colonography with stool tagging: performance with and without electronic stool subtraction. AJR Am J Roentgenol. 2008 Feb; 190: (2)361-6.
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  224. Takahashi N, Fletcher JG, Fidler JL, Hough DM, Kawashima A, Chari ST. Dual-phase CT of autoimmune pancreatitis: a multireader study. AJR Am J Roentgenol. 2008 Feb; 190: (2)280-6.
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  225. Zhang J, Fletcher JG, Scott Harmsen W, Araoz PA, Williamson EE, Primak AN, McCollough CH. Analysis of heart rate and heart rate variation during cardiac CT examinations. Acad Radiol. 2008 Jan; 15 (1):40-8
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  226. Linguraru MG, Zhao S, Van Uitert RL, Liu J, Fletcher JG, Manduca A, Summers RM. CAD of colon cancer on CT colonography cases without cathartic bowel preparation. Conf Proc IEEE Eng Med Biol Soc. 2008:2996-9.
  227. Young BM, Fletcher JG, Booya F, Paulsen S, Fidler J, Johnson CD, Huprich J, Barlow J, Trout A. Head-to-head comparison of oral contrast agents for cross-sectional enterography: small bowel distention, timing, and side effects. J Comput Assist Tomogr. 2008 Jan-Feb; 32 (1):32-8
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  228. Siddiki H, Doherty MG, Fletcher JG, Stanson AW, Vrtiska TJ, Hough DM, Fidler JL, McCollough CH, Swanson KL. Abdominal findings in hereditary hemorrhagic telangiectasia: pictorial essay on 2D and 3D findings with isotropic multiphase CT. Radiographics. 2008 Jan-Feb; 28: (1)171-84.
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  229. Primak AN, Fletcher JG, Vrtiska TJ, Dzyubak OP, Lieske JC, Jackson ME, Williams JC Jr, McCollough CH. Noninvasive differentiation of uric acid versus non-uric acid kidney stones using dual-energy CT. Acad Radiol. 2007 Dec; 14 (12):1441-7
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  230. Tay SC, Primak AN, Fletcher JG, Schmidt B, Amrami KK, Berger RA, McCollough CH. Four-dimensional computed tomographic imaging in the wrist: proof of feasibility in a cadaveric model. Skeletal Radiol. 2007 Dec; 36 (12):1163-9 Epub 2007 Sept 06
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  231. Deshpande KK, Summers RM, Van Uitert RL, Franaszek M, Brown L, Dwyer AJ, Fletcher JG, Choi JR, Pickhardt PJ. Quality assessment for CT colonography: validation of automated measurement of colonic distention and residual fluid. AJR Am J Roentgenol. 2007 Dec; 189(6):1457-63.
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  232. Kirsch J, Araoz PA, Steinberg FB, Fletcher JG, McCollough CH, Williamson EE. Prevalence and significance of incidental extracardiac findings at 64-multidetector coronary CTA. J Thorac Imaging. 2007 Nov; 22(4):330-4.
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  233. Bharucha AE, Fletcher JG. Recent advances in assessing anorectal structure and functions. Gastroenterology. 2007 Oct; 133: (4)1069-74.
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  234. Johnson KT, Fletcher JG, Johnson CD. Computer-aided detection (CAD) using 360 degree virtual dissection: can CAD in a first reviewer paradigm be a reliable substitute for primary 2D or 3D search? AJR Am J Roentgenol. 2007 Oct; 189: (4)W172-6.
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  235. Pelaez-Luna M, Takahashi N, Fletcher JG, Chari ST. Resectability of presymptomatic pancreatic cancer and its relationship to onset of diabetes: a retrospective review of CT scans and fasting glucose values prior to diagnosis. Am J Gastroenterol. 2007 Oct; 102(10):2157-63.
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  236. Zhang J, Fletcher JG, Vrtiska TJ, Manduca A, Thompson JL, Raghavan ML, Wentz RJ, McCollough CH. Large-vessel distensibility measurement with electrocardiographically gated multidetector CT: phantom study and initial experience. Radiology. 2007 Oct; 245(1):258-66.
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  237. Rockey DC, Barish M, Brill JV, Cash BD, Fletcher JG, Sharma P, Wani S, Wiersema MJ, Peterson LE, Conte J. Standards for gastroenterologists for performing and interpreting diagnostic computed tomographic colonography. Gastroenterology. 2007 Sep; 133(3):1005-24.
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  238. Johnson CD, Fletcher JG, MacCarty RL, Mandrekar JN, Harmsen WS, Limburg PJ, Wilson LA. Effect of slice thickness and primary 2D versus 3D virtual dissection on colorectal lesion detection at CT colonography in 452 asymptomatic adults. AJR Am J Roentgenol. 2007 Sep; 189 (3):672-80
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  239. Fletcher JG, Booya F, Summers RM, Roy D, Guendel L, Schmidt B, McCollough CH, Fidler JL. Comparative performance of two polyp detection systems on CT colonography. AJR Am J Roentgenol. 2007 Aug; 189: (2)277-82.
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  240. Silva AC, Beaty SD, Hara AK, Fletcher JG, Fidler JL, Menias CO, Johnson CD. Spectrum of normal and abnormal CT appearances of the ileocecal valve and cecum with endoscopic and surgical correlation. Radiographics. 2007 Jul-Aug; 27: (4)1039-54.
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  241. Fletcher JG, Booya F, Melton Z, Johnson K, Guendel L, Schmidt B, McCollough CH, Young B, Fidler JL, Harmsen WS. Automated polyp measurement with CT colonography: preliminary observations in a phantom colon model. AJR Am J Roentgenol. 2007 Apr; 188: (4)945-52.
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  242. Fox JC, Fletcher JG, Zinsmeister AR, Seide B, Riederer SJ, Bharucha AE. Effect of aging on anorectal and pelvic floor functions in females (vol 49, pg 1726, 2006). Diseases of the Colon & Rectum. 2007 Mar; 50(3):404.
  243. Takahashi N, Kawashima A, Fletcher JG, Chari ST. Renal involvement in patients with autoimmune pancreatitis: CT and MR imaging findings. Radiology. 2007 Mar; 242(3):791-801.
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  244. Young BM, Fletcher JG, Paulsen SR, Booya F, Johnson CD, Johnson KT, Melton Z, Rodysill D, Mandrekar J. Polyp measurement with CT colonography: multiple-reader, multiple-workstation comparison. AJR Am J Roentgenol. 2007 Jan; 188: (1)122-9.
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  245. Sheedy SP, Earnest F 4th, Fletcher JG, Fidler JL, Hoskin TL. CT of small-bowel ischemia associated with obstruction in emergency department patients: diagnostic performance evaluation. Radiology. 2006 Dec; 241: (3)729-36.
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  246. Booya F, Fletcher JG, Huprich JE, Barlow JM, Johnson CD, Fidler JL, Solem CA, Sandborn WJ, Loftus EV Jr, Harmsen WS. Active Crohn disease: CT findings and interobserver agreement for enteric phase CT enterography. Radiology. 2006 Dec; 241: (3)787-95.
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  247. Colombel JF, Solem CA, Sandborn WJ, Booya F, Loftus EV Jr, Harmsen WS, Zinsmeister AR, Bodily KD, Fletcher JG. Quantitative measurement and visual assessment of ileal Crohn's disease activity by computed tomography enterography: correlation with endoscopic severity and C reactive protein. Gut. 2006 Nov; 55 (11):1561-7 Epub 2006 Apr 28
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  248. Primak AN, McCollough CH, Bruesewitz MR, Zhang J, Fletcher JG. Relationship between noise, dose, and pitch in cardiac multi-detector row CT. Radiographics. 2006 Nov-Dec; 26(6):1785-94.
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  249. Fox JC, Fletcher JG, Zinsmeister AR, Seide B, Riederer SJ, Bharucha AE. Effect of aging on anorectal and pelvic floor functions in females. Dis Colon Rectum. 2006 Nov; 49(11):1726-35.
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  250. Levy M, Rajan E, Keeney G, Fletcher JG, Topazian M. Neural ganglia visualized by endoscopic ultrasound. Am J Gastroenterol. 2006 Aug; 101: (8)1787-91.
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  251. Silva AC, Vens EA, Hara AK, Fletcher JG, Fidler JL, Johnson CD. Evaluation of benign and malignant rectal lesions with CT colonography and endoscopic correlation. Radiographics. 2006 Jul-Aug; 26: (4)1085-99.
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  252. MacCarty RL, Johnson CD, Fletcher JG, Wilson LA. Occult colorectal polyps on CT colonography: implications for surveillance. AJR Am J Roentgenol. 2006 May; 186: (5)1380-3.
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  253. Paulsen SR, Huprich JE, Fletcher JG, Booya F, Young BM, Fidler JL, Johnson CD, Barlow JM, Earnest F 4th. CT enterography as a diagnostic tool in evaluating small bowel disorders: review of clinical experience with over 700 cases. Radiographics. 2006 May-Jun; 26: (3)641-57; discussion 657-62.
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  254. Bodily KD, Fletcher JG, Solem CA, Johnson CD, Fidler JL, Barlow JM, Bruesewitz MR, McCollough CH, Sandborn WJ, Loftus EV Jr, Harmsen WS, Crownhart BS. Crohn Disease: mural attenuation and thickness at contrast-enhanced CT Enterography--correlation with endoscopic and histologic findings of inflammation. Radiology. 2006 Feb; 238: (2)505-16.
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  255. Johnson KT, Johnson CD, Fletcher JG, MacCarty RL, Summers RL. CT colonography using 360-degree virtual dissection: a feasibility study. AJR Am J Roentgenol. 2006 Jan; 186: (1)90-5.
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  256. Young BM, Fletcher JG, Earnest F, Fidler JL, MacCarty RL, Johnson CD, Huprich JE, Hough D. Colonic perforation at CT colonography in a patient without known colonic disease. AJR Am J Roentgenol. 2006 Jan; 186: (1)119-21.
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  257. Haider CR, Manduca A, Camp JJ, Fletcher JG, Robb RA, Bharucha AE. Geometric modeling, functional paraarameter calculation, and visualization of the in-vivo distended rectal wall. Medical Imaging: Physiology, Function and Structure from Biomedical Imaging, SPIE. 2006; 6143:1D1-11.
  258. Lowe VJ, Booya F, Fletcher JG, Nathan M, Jensen E, Mullan B, Rohren E, Wiersema MJ, Vazquez-Sequeiros E, Murray JA, Allen MS, Levy MJ, Clain JE. Comparison of positron emission tomography, computed tomography, and endoscopic ultrasound in the initial staging of patients with esophageal cancer. Mol Imaging Biol. 2005 Nov-Dec; 7 (6):422-30
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  259. Klingele CJ, Bharucha AE, Fletcher JG, Gebhart JB, Riederer SG, Zinsmeister AR. Pelvic organ prolapse in defecatory disorders. Obstet Gynecol. 2005 Aug; 106(2):315-20.
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  260. Bharucha AE, Fletcher JG, Seide B, Riederer SJ, Zinsmeister AR. Phenotypic variation in functional disorders of defecation. Gastroenterology. 2005 May; 128 (5):1199-210
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  261. Bharucha AE, Fletcher JG, Harper CM, Hough D, Daube JR, Stevens C, Seide B, Riederer SJ, Zinsmeister AR. Relationship between symptoms and disordered continence mechanisms in women with idiopathic faecal incontinence. Gut. 2005 Apr; 54 (4):546-55
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  262. Vrtiska TJ, Fletcher JG, McCollough CH. State-of-the-art imaging with 64-channel multidetector CT angiography. Perspect Vasc Surg Endovasc Ther. 2005 Mar; 17 (1):3-8
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  263. Handrich SJ, Hough DM, Fletcher JG, Sarr MG. The natural history of the incidentally discovered small simple pancreatic cyst: long-term follow-up and clinical implications. AJR Am J Roentgenol. 2005 Jan; 184(1):20-3.
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  264. Bodily KD, Fletcher JG, Engelby T, Percival M, Christensen JA, Young B, Krych AJ, Vander Kooi DC, Rodysill D, Fidler JL, Johnson CD. Nonradiologists as second readers for intraluminal findings at CT colonography. Acad Radiol. 2005 Jan; 12: (1)67-73.
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  265. Christensen JA, Fletcher JG, Fidler JL, Wold PB, Binstock AJ, Smyrk T, Harmsen SW, Crownhart BS, Chari S. Intraductal papillary mucinous neoplasms of the pancreas: CT patterns of recurrence and multiobserver performance in detecting recurrent neoplasm after surgical resection. AJR Am J Roentgenol. 2004 Nov; 183: (5)1367-74.
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  266. Fidler JL, Fletcher JG, Johnson CD, Huprich JE, Barlow JM, Earnest F 4th, Bartholmai BJ. Understanding interpretive errors in radiologists learning computed tomography colonography. Acad Radiol. 2004 Jul; 11: (7)750-6.
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  267. Gluecker TM, Fletcher JG, Welch TJ, MacCarty RL, Harmsen WS, Harrington JR, Ilstrup D, Wilson LA, Corcoran KE, Johnson CD. Characterization of lesions missed on interpretation of CT colonography using a 2D search method. AJR Am J Roentgenol. 2004 Apr; 182: (4)881-9.
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  268. Gangi S, Fletcher JG, Nathan MA, Christensen JA, Harmsen WS, Crownhart BS, Chari ST. Time interval between abnormalities seen on CT and the clinical diagnosis of pancreatic cancer: Retrospective review of CT scans obtained before diagnosis. Am J Roentgenol. 2004 Apr; 182(4):897-903.
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  269. Zapiach M, Yadav D, Smyrk TC, Fletcher JG, Pearson RK, Clain JE, Farnell MB, Chari ST. Calcifying obstructive pancreatitis: a study of intraductal papillary mucinous neoplasm associated with pancreatic calcification. Clin Gastroenterol Hepatol. 2004 Jan; 2 (1):57-63
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  270. Gluecker TM, Williamson EE, Fletcher JG, Hough DM, Huppert BJ, Carlson SK, Casey MB, Farrell MA. Diseases of the cecum: a CT pictorial review. Eur Radiol. 2003 Dec; 13 Suppl 6:L51-61 Epub 2002 Dec 19
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  271. Gluecker TM, Williamson EE, Fletcher JG, Hough DM, Huppert BJ, Carlson SK, Casey MB, Farrell MA. Diseases of the cecum: a CT pictorial review. Eur Radiol. 2003 Dec; 13 Suppl 4:L51-61
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  272. Fletcher JG, Wiersema MJ, Farrell MA, Fidler JL, Burgart LJ, Koyama T, Johnson CD, Stephens DH, Ward EM, Harmsen WS. Pancreatic malignancy: value of arterial, pancreatic, and hepatic phase imaging with multi-detector row CT. Radiology. 2003 Oct; 229: (1)81-90.
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  273. Wold PB, Fletcher JG, Johnson CD, Sandborn WJ. Assessment of small bowel Crohn disease: noninvasive peroral CT enterography compared with other imaging methods and endoscopy--feasibility study. Radiology. 2003 Oct; 229: (1)275-81.
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  274. Fidler JL, Fletcher JG, Reading CC, Andrews JC, Thompson GB, Grant CS, Service FJ. Preoperative detection of pancreatic insulinomas on multiphasic helical CT. AJR Am J Roentgenol. 2003 Sep; 181: (3)775-80.
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  275. Johnson CD, Toledano AY, Herman BA, Dachman AH, McFarland EG, Barish MA, Brink JA, Ernst RD, Fletcher JG, Halvorsen RA Jr, Hara AK, Hopper KD, Koehler RE, Lu DS, Macari M, Maccarty RL, Miller FH, Morrin M, Paulson EK, Yee J, Zalis M, American College of Radiology Imaging Network A6656. Computerized tomographic colonography: performance evaluation in a retrospective multicenter setting. Gastroenterology. 2003 Sep; 125 (3):688-95
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  276. Fletcher JG, Busse RF, Riederer SJ, Hough D, Gluecker T, Harper CM, Bharucha AE. Magnetic resonance imaging of anatomic and dynamic defects of the pelvic floor in defecatory disorders. Am J Gastroenterol. 2003 Feb; 98: (2)399-411.
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  277. Fletcher JG. Future directions in CT colonography. Abdom Imaging. 2002 May-Jun; 27 (3):301-8
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  278. Koyama T, Fletcher JG, Johnson CD, Kuo MS, Notohara K, Burgart LJ. Primary hepatic angiosarcoma: findings at CT and MR imaging. Radiology. 2002 Mar; 222(3):667-73.
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  279. Luboldt W, Fletcher JG, Vogl TJ. Colonography: current status, research directions and challenges. Update 2002. Eur Radiol. 2002 Mar; 12(3):502-24. Epub 2002 Jan 23.
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  280. Fletcher JG, Johnson CD, Krueger WR, Ahlquist DA, Nelson H, Ilstrup D, Harmsen WS, Corcoran KE. Contrast-enhanced CT colonography in recurrent colorectal carcinoma: feasibility of simultaneous evaluation for metastatic disease, local recurrence, and metachronous neoplasia in colorectal carcinoma. AJR Am J Roentgenol. 2002 Feb; 178: (2)283-90.
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  281. Schwartz DA, Wiersema MJ, Dudiak KM, Fletcher JG, Clain JE, Tremaine WJ, Zinsmeister AR, Norton ID, Boardman LA, Devine RM, Wolff BG, Young-Fadok TM, Diehl NN, Pemberton JH, Sandborn WJ. A comparison of endoscopic ultrasound, magnetic resonance imaging, and exam under anesthesia for evaluation of Crohn's perianal fistulas. Gastroenterology. 2001 Nov; 121 (5):1064-72
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  282. Fletcher JG, Johnson CD, Reed JE, Garry J. Feasibility of planar virtual pathology: a new paradigm in volume-rendered CT colonography. J Comput Assist Tomogr. 2001 Nov-Dec; 25 (6):864-9
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  283. Callstrom MR, Johnson CD, Fletcher JG, Reed JE, Ahlquist DA, Harmsen WS, Tait K, Wilson LA, Corcoran KE. CT colonography without cathartic preparation: feasibility study. Radiology. 2001 Jun; 219: (3)693-8.
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  284. Binstock AJ, Johnson CD, Stephens DH, Lloyd RV, Fletcher JG. Carcinoid tumors of the stomach: a clinical and radiographic study. AJR Am J Roentgenol. 2001 Apr; 176: (4)947-51.
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  285. Krueger WR, Fletcher JG, Sebo TJ. Radiological case of the month. Appl Radiol. 2001; 30(10):44-6.
  286. Krueger WR, Fletcher JG, Sebo TJ. Intramural demonstration of a low-grade anorectal stromal sarcoma at MR imaging. App Radiol. 2001; 30:48-50.
  287. Fletcher JG, Johnson CD. Computed tomographic colonography: current and future status for colorectal cancer screening. Semin Roentgenol. 2000 Oct; 35 (4):385-93
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  288. Fletcher JG, Johnson CD, Welch TJ, MacCarty RL, Ahlquist DA, Reed JE, Harmsen WS, Wilson LA. Optimization of CT colonography technique: prospective trial in 180 patients. Radiology. 2000 Sep; 216: (3)704-11.
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  289. Busse RF, Riederer SJ, Fletcher JG, Bharucha AE, Brandt KR. Interactive fast spin-echo imaging. Magn Reson Med. 2000 Sep; 44 (3):339-48
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  290. Fletcher JG, Luboldt W. CT colonography and MR colonography: current status, research directions and comparison. Eur Radiol. 2000; 10 (5):786-801
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  291. Fletcher JG, Johnson CD, MacCarty RL, Welch TJ, Reed JE, Hara AK. CT colonography: potential pitfalls and problem-solving techniques. AJR Am J Roentgenol. 1999 May; 172: (5)1271-8.
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  292. Fossel ET, Zanella CL, Fletcher JG, Hui KK. Cell death by periodized low-density lipoprotein: endosepsis. Cancer Res. 1994; 54:1240-8.
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  293. Fossel ET, Fletcher JG, McDonagh J, Hui KK. Selective cytotoxicity of low-density lipoprotein to helper T cells of cutaneous T-cell lymphoma after photoperoxidation with 8- methoxypsoralen. J Natl Cancer Inst. 1991 Sep 18; 83(18):1316-21.
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  294. Phillips RS, Fletcher JG, Von Tersch RL, Kirk KL. Oxygenation of fluorinated tyrosines by mushroom tyrosinase releases fluoride ion. Arch Biochem Biophys. 1990 Jan; 276(1):65-9.
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