Introduction

Ileum:

Histology revealed extensive necrosis of the ileal mucosal epithelium, resulting in ulceration. Proteinaceous material had mixed with the necrotic cells to produce a pseudomembranous fibrinonecrotic exudate (diphtheritic membrane). The exposed submucosa contained an inflammatory infiltrate of neutrophils and some lymphocytes.

Dx: Acute severe diffuse fibrinonecrotic enteritis

Cases

Review Questions

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