Anal polyp caused by Schistosoma mansoni

We describe a schistosomal polyp in the anus of a 24-year-old patient, born in Viçosa, State of Minas Gerais, and living in Belo Horizonte, State of Minas Gerais. From 8 to 13 years of age, he swam in the rivers that bathe Viçosa. The histopathological examination has shown a lesion, lined by a keratinized squamous epithelium, ulcerated, with granulomas, centered or not by Schistosoma mansoni egg, laid, in loco, by the female present in the vascular lumen of a vein of the hemorrhoidal plexus. There was also a diffuse, nonspecific inflammation in the dermis. The patient was treated with praziquantel. Four months after the treatment, sigmoidoscopy showed a normal rectal mucosa, and negative oogram and stool tests. Ultrasound of abdomen was normal.

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Bibliographic Details
Main Authors: Raso,Pedro, Sander,Eliane Mansur, Raso,Leonardo Arruda Moraes, Andrade Filho,José de Souza
Format: Digital revista
Language:English
Published: Sociedade Brasileira de Medicina Tropical - SBMT 2013
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822013000200252
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