Case #400 – July 2015

A ten-year-old boy presented at a local hospital with symptoms mimicking an appendicitis. An appendectomy was performed and biopsy specimens were sent to Pathology for routine histologic work-up. Objects suggestive of a parasite were observed by the attending pathologist. Figures AE show what was observed on a slide stained with hematoxylin-and-eosin (H&E). What is your diagnosis? Based on what criteria?

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This case and images were kindly provided by the University of Miami Health System/Jackson Memorial Hospital, Miami, FL.

Images presented in the DPDx case studies are from specimens submitted for diagnosis or archiving. On rare occasions, clinical histories given may be partly fictitious.

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