Findings

The colonic mucosa is diffusely and extensively ulcerated with numerous small patches of remaining mucosa. The entire mucosal surface appears red due to marked inflammation and hypervascularity.

Impression

Colon, ulcerative colitis

Preparation

Fresh

View

Gross photograph

Specimen

Colon

Image Credit

Katsumi M. Miyai, M.D., Ph.D
Department of Pathology
School of Medicine
University of California, San Diego