Findings

This image shows a patch of pseudomembrane which consists of a "mushroom or volcano-like" accumulation of tissue debris, inflammatory exudate and mucus adherent to the mucosal surface.

Impression

Colon, pseudomembranous colitis

Preparation

Fixed, H & E stain

View

Light micrograph

Specimen

Colon

Image Credit

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