PEIR Digital Library

Welcome to the Pathology Education Informational Resource (PEIR) Digital Library, a multidisciplinary public access image database for use in medical education.

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GROSS: GASTROINTESTINAL: Colon: Ulcerative Colitis: Gross natural color close-up of fiery red mucosa with ulceration whether this is true ulcerative colitis or is a colitis proximal to the tumor present in this case is unknown in any event it looks like ulcerative colitis other slides from this case