Publications

  1. Yu L, Chen B, Kofler JM, Favazza CP, Leng S, Kupinski MA, McCollough CH. Correlation between a 2D channelized Hotelling observer and human observers in a low-contrast detection task with multislice reading in CT. Med Phys. 2017 Aug; 44 (8):3990-3999 Epub 2017 July 13
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  2. Long Z, Bruesewitz MR, Sheedy EN, Powell MA, Kramer JC, Supalla RR, Colvin CM, Bechel JR, Favazza CP, Kofler JM, Leng S, McCollough CH, Yu L. Technical Note: Display window setting: An important factor for detecting subtle but clinically relevant artifacts in daily CT quality control. Med Phys. 2016 Dec; 43: (12)6413.
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  3. Kofler J. MO-DE-204-04: Dose Optimization in CT: Trends and Motivation in the US. Med Phys. 2016 Jun; 43: (6)3696-3697.
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  4. Kofler J. WE-G-209-02: CT. Med Phys. 2016 Jun; 43: (6)3838.
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  5. Favazza C, Ferrero A, McMillan K, Bruesewitz M, Yu L, Leng S, Kofler J, McCollough C. SU-G-206-10: Low-Contrast Detectability Vs. Dose for CT Images Reconstructed Using Filtered Backprojection and Iterative Reconstruction: Assessment with a Model Observer. Med Phys. 2016 Jun; 43: (6)3641.
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  6. Chen B, Yu L, Leng S, Kofler J, Favazza C, Vrieze T, McCollough C. Predicting detection performance with model observers: Fourier domain or spatial domain? Proc SPIE Int Soc Opt Eng. 2016 Feb 27; 9783:
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  7. Langer SG, Graner BD, Schueler BA, Fetterly KA, Kofler JM, Mandrekar JN, Bartholmai BJ. Sensitivity of Thoracic Digital Tomosynthesis (DTS) for the Identification of Lung Nodules. J Digit Imaging. 2016 Feb; 29: (1)141-7.
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  8. Favazza CP, Duan X, Zhang Y, Yu L, Leng S, Kofler JM, Bruesewitz MR, McCollough CH. A cross-platform survey of CT image quality and dose from routine abdomen protocols and a method to systematically standardize image quality. Phys Med Biol. 2015 Nov 07; 60: (21)8381-97.
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  9. McCollough CH, Yu L, Kofler JM, Leng S, Zhang Y, Li Z, Carter RE. Degradation of CT Low-Contrast Spatial Resolution Due to the Use of Iterative Reconstruction and Reduced Dose Levels. Radiology. 2015 Aug; 276: (2)499-506.
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  10. Kofler JM, Yu L, Leng S, Zhang Y, Li Z, Carter RE, McCollough CH. Assessment of Low-Contrast Resolution for the American College of Radiology Computed Tomographic Accreditation Program: What Is the Impact of Iterative Reconstruction? J Comput Assist Tomogr. 2015 Jul-Aug; 39: (4)619-23.
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  11. Favazza CP, Yu L, Leng S, Kofler JM, McCollough CH. Automatic exposure control systems designed to maintain constant image noise: effects on computed tomography dose and noise relative to clinically accepted technique charts. J Comput Assist Tomogr. 2015 May-Jun; 39: (3)437-42.
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  12. McCollough C, Wagner L, Kofler J, Brateman L. TU-F-16A-01: Communicating Risk. Med Phys. 2014 Jun; 41: (6)467.
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  13. Kofler JM, Cody DD, Morin RL. CT protocol review and optimization. J Am Coll Radiol. 2014 Mar; 11(3):267-70.
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  14. Trattner S, Pearson GDN, Chin C, Cody DD, Gupta R, Hess CP, Kalra MK, Kofler JM Jr, Krishnam MS, Einstein AJ. Standardization and optimization of CT protocols to achieve low dose. J Am Coll Radiol. 2014 Mar; 11: (3)271-278.
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  15. Kofler JM Jr, Jordan DW, Orton CG. PointCounterpoint. Exposure tracking for x-ray imaging is a bad idea. Med Phys. 2014 Jan; 41: (1)010601.
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  16. Yu L, Leng S, Chen L, Kofler JM, Carter RE, McCollough CH. Prediction of human observer performance in a 2-alternative forced choice low-contrast detection task using channelized Hotelling observer: impact of radiation dose and reconstruction algorithms. Med Phys. 2013 Apr; 40: (4)041908.
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  17. 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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  18. Christner JA, Braun NN, Jacobsen MC, Carter RE, Kofler JM, McCollough CH. Size-specific dose estimates for adult patients at CT of the torso. Radiology. 2012 Dec; 265(3):841-7. Epub 2012 Oct 22.
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  19. Laack TA, Thompson KM, Kofler JM, Bellolio MF, Sawyer MD, Laack NN. Comparison of trauma mortality and estimated cancer mortality from computed tomography during initial evaluation of intermediate-risk trauma patients. J Trauma. 2011 Jun; 70: (6)1362-5.
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  20. 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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  21. 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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  22. McCollough CH, Christner JA, Kofler JM. How effective is effective dose as a predictor of radiation risk? AJR Am J Roentgenol. 2010 Apr; 194(4):890-6.
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  23. Christner JA, Kofler JM, McCollough CH. Estimating effective dose for CT using dose-length product compared with using organ doses: consequences of adopting International Commission on Radiological Protection publication 103 or dual-energy scanning. AJR Am J Roentgenol. 2010 Apr; 194(4):881-9.
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  24. Yu L, Vrieze TJ, Bruesewitz MR, Kofler JM, DeLone DR, Pallanch JF, Lindell EP, McCollough CH. Dose and image quality evaluation of a dedicated cone-beam CT system for high-contrast neurologic applications. AJR Am J Roentgenol. 2010 Feb; 194(2):W193-201.
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  25. 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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  26. 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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  27. 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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  28. Vrtiska TJ, Hartman RP, Kofler JM, Bruesewitz MR, King BF, McCollough CH. Spatial resolution and radiation dose of a 64-MDCT scanner compared with published CT urography protocols. AJR Am J Roentgenol. 2009 Apr; 192: (4)941-8.
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  29. McCollough CH, Primak AN, Braun N, Kofler J, Yu L, Christner J. Strategies for reducing radiation dose in CT. Radiol Clin North Am. 2009 Jan; 47: (1)27-40.
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  30. Pfeiffer D, Sutlief S, Feng W, Pierce HM, Kofler J. AAPM Task Group 128: quality assurance tests for prostate brachytherapy ultrasound systems. Med Phys. 2008 Dec; 35(12):5471-89.
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  31. 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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  32. McCollough CH, Bruesewitz MR, Kofler JM. CT dose reduction and dose management tools: overview of available options. Radiographics. 2006 Mar-Apr; 26(2):503-12.
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  33. Gorny KR, Leitzen SL, Bruesewitz MR, Kofler JM, Hangiandreou NJ, McCollough CH. The calibration of experimental self-developing Gafchromic HXR film for the measurement of radiation dose in computed tomography. Med Phys. 2005 Apr; 32: (4)1010-6.
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  34. Kofler JM, Lindstrom MJ, Kelcz F, Madsen EL. Association of automated and human observer lesion detecting ability using phantoms. Ultrasound Med Biol. 2005 Mar; 31(3):351-9.
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  35. Kofler JM, Madsen EL. Improved method for determining resolution zones in ultrasound phantoms with spherical simulated lesions. Ultrasound Med Biol. 2001 Dec; 27(12):1667-76.
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  36. Ngutter LK, Kofler JM, McCollough CH, Vetter RJ. Update on patient radiation doses at a large tertiary care medical center. Health Phys. 2001 Nov; 81(5):530-5.
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  37. Choudhry S, Gorman B, Charboneau JW, Tradup DJ, Beck RJ, Kofler JM, Groth DS. Comparison of tissue harmonic imaging with conventional US in abdominal disease. Radiographics. 2000 Jul-Aug; 20: (4)1127-35.
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  38. Kofler JM, Mohlke ML, Vrieze TJ. Techniques for measuring radiographic repeat rates. Health Phys. 1999 Feb; 76(2):191-4.
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  39. Goodsitt MM, Carson PL, Witt S, Hykes DL, Kofler JM Jr. Real-time B-mode ultrasound quality control test procedures. Report of AAPM Ultrasound Task Group No. 1. Med Phys. 1998 Aug; 25(8):1385-406.
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  40. Kanal KM, Kofler JM, Groth DS. Comparison of selected ultrasound performance tests with varying overall receiver gain and dynamic range, using conventional and magnified field of view. Med Phys. 1998 May; 25: (5)642-7.
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  41. Langer SG, Kofler J. A series of teaching phantoms for displaying diagnostic ultrasound image artifacts. J of Diagnostic Medical Sonography. 1997; 13:22-7.
  42. Kofler JM Jr, Gray JE, Cesar LJ. Use of personal computers and digitized film angiograms to produce subtraction angiograms. Radiographics. 1996 Mar; 16(2):401-7.
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  43. McCollough CH, Cunningham IA, Hangiandreou NJ, Hasegawa BH, Huda W, Kofler JM, Korosec FR, Morin RL, Peppler WW, Schueler BA. Technical exhibits. Radiology. 1996 Mar; 198(3):950-3.
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  44. Kofler JM Jr, Gray JE, Fuelberth JT, Taubel JP. Quantitative evaluation of low-cost frame-grabber boards for personal computers. J Digit Imaging. 1995 Nov; 8(4):191-7.
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  45. Groth DS, Zink FE, Felmlee JP, Kofler JM Jr, James EM, Lindsey JR, Pavlicek W. Blood flow velocity measurements: a comparison of 25 clinical ultrasonographic units. J Ultrasound Med. 1995 Apr; 14: (4)273-7.
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  46. Kofler JM Jr, Gray JE, Daly TR. Spatial and temporal response characteristics of ionization chambers used in diagnostic radiology for exposure measurements and quality control. Health Phys. 1994 Dec; 67(6):661-7.
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  47. Kofler JM, Gray JE, Cesar LJ. Use of personal computers and digitized angiograms to produce subtraction angiograms. (Space 492ph). Radiology. 1994; 193(P)(Suppl):429.
  48. Kofler JM Jr, Morin RL, Johnson CM. Performance testing of a dedicated magnetic resonance peripheral blood flow scanner. Med Phys. 1991 Sep-Oct; 18: (5)1057-62.
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  49. Vetter RJ, Gray JE, Kofler JM. Patient radiation doses at a large tertiary care medical center. Radiat Prot Dosimetry. 1991; 36:247-51.
  50. Kofler JM, Gray JE. Sensitometric responses of selected medical radiographic films. Radiology. 1991; 181:879-883.