title: Mucinous carcinoma of anal duct origin presenting clinically as a vaginal cyst.
abstract: The vast majority of vaginal submucosal cysts are benign lesions. Primary malignant tumors of the vagina are infrequent and most are mucosal lesions. A case is described in which an unusual neoplasm, anal duct carcinoma, presented clinically as a vaginal lesion. The importance of considering anal neoplasia in the differential diagnosis of cystic vaginal lesions is noted.
mesh_terms: D002288:Adenocarcinoma, Mucinous / Q000175:diagnosis* / Q000473:pathology; D000328:Adult; D001005:Anus Neoplasms / Q000175:diagnosis* / Q000473:pathology; D002295:Carcinoma, Transitional Cell / Q000175:diagnosis; D003560:Cysts / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D014623:Vaginal Diseases / Q000175:diagnosis*; D014625:Vaginal Neoplasms / Q000175:diagnosis