Rochester, Minnesota


My research interests include:

  • Parathyroid disease, emphasis on minimal access parathyroidectomy and intraoperative parathyroid hormone monitoring.
  • Thyroid carcinoma, emphasis on papillary thyroid carcinoma, lymph node metastasis, medullary thyroid carcinoma.
  • Adrenal disorders, emphasis on laparoscopic adrenalectomy.
  • Islet cell tumors of the pancreas, emphasis on insulinoma, gastrinoma.
  • Breast cancer, emphasis on sentinel node biopsy, micrometastasis to lymph nodes and bone marrow, menstrual cycle influence on breast cancer and surgical outcome.


Administrative Appointment

  1. Emeritus, Division of Subspecialty General Surgery, Department of Surgery

Academic Rank

  1. Professor of Surgery


  1. Resident - Surgery Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine and Science
  2. Resident Surgery, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine
  3. MD University of Colorado
  4. BA University of Northern Colorado

Clinical Studies

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