Atlas of Gastroenterological Endoscopy
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Congenital rectal polyp
congenital rectal polyp Site of resection after several days
Congenital rectal polyp (synonym: congenital polyp, retention polyp) This 12-year old patient was admitted for rectal hemorrhage. Retention polyps are not neoplastic. The stroma of the polyps consists of dilated glands filled with mucus, but normal epithelial cells. Additionally this patientīs polyp shows neutrophilic inflammation and signs of epithelial regeneration. After a few days a small ulcer at the site of resection has developed. Biopsies of the ulcer fail to reveal more retention.