Cases with Dr. Keeney: Case #3

By Gary Keeney, M.D. • October 26, 2017

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This case presents an unusual colon polyp on an asymptomatic early 70 year-old male. At the time of screening colonoscopy, two small left colon polyps were noted and excised. Submit your diagnosis in the comments.

Ultimately, a pathologist has to commit to a diagnosis. Many trainees have difficulty committing to a diagnosis for fear of being wrong. Three years ago, Gary Keeney, M.D., Consultant in the Division of Anatomic Pathology at Mayo Clinic, started sending trainees interesting cases seen in Mayo's practice. For those committing to a diagnosis, Dr. Keeney provided detailed feedback. At first, it was written, but it has since evolved to a voiced-over presentation detailing the ancillary studies and discussing the differential diagnosis of the cases. Dr. Keeney upped his teaching game to achieve a personal goal of a 100% response rate from the trainees. While the trainee response rate has improved considerably, he has yet to reach his personal goal.

Gary Keeney, M.D.

Gary Keeney, M.D., Consultant in the Division of Anatomic Pathology at Mayo Clinic, has worked at Mayo since 1989. Dr. Keeney was the Division Chair of Anatomic Pathology for 9 years and he participates in the general pathology practice (frozen section lab and cytology). Dr. Keeney's sub-specialty interests are GYN pathology, breast, and cytopathology.