Calcified schistosomal ova in a rectal biopsy

Reproduced with permission of The American Society of Tropical Medicine and Hygiene, from Chronic Schistosomiasis in a Patient with Rectal Cancer. Bharti AR, Weidner N, Ramamoorthy S. Am J Trop Med Hyg 2009; 80:1. Copyright © 2009; permission conveyed through Copyright Clearance Center, Inc.