17 March 2020: Biweekly Image Quiz #27

You receive an appendix for microscopic examination. You note that the patient has a history of treated Crohn’s colitis and is currently hospitalized after partial colectomy. On examination, the appendiceal serosa shows scattered neutrophils without other pathologic change. What is the most likely cause of this finding?

Select an answer:

A. Acute appendicitis

B. Crohn’s disease

C. Previous surgery

D. Salpingitis

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