Date of Presentation:12/07/2016

Attending pathologist: Martha Yearsley, MD

Presented by: Luke Blower, MD

Prepared by: Luke Blower, MD

Organ:Rectum

HISTORY:

A retirement age male with a history of prostate cancer and melanoma in situ presented with rectal bleeding and proctitis. Sigmoidoscopy was performed and identified a ulcer at the level of the rectum.

Microscopic image possibly detecting cancerous areas in human tissue
Microscopic image possibly detecting cancerous areas in human tissue
Microscopic image possibly detecting cancerous areas in human tissue
Microscopic image possibly detecting cancerous areas in human tissue

What is the most likely diagnosis?

  1. Metastatic melanoma
  2. Viral proctitis
  3. Metastatic prostate cancer
  4. Radiation proctitis
Radiation proctitis