title: Carcinoma in a rectovaginal fistula in a patient with Crohn's disease.
abstract: A patient with Crohn's disease underwent resection for internal fistulas. Later a rectovaginal fistula developed that persisted with minimal symptoms for 10 years before causing pain and induration in the posterior vaginal wall, due to carcinoma developing within the fistula.
mesh_terms: D002288:Adenocarcinoma, Mucinous / Q000150:complications*; D003424:Crohn Disease / Q000150:complications*; D005260:Female; D006801:Humans; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000150:complications; D012006:Rectovaginal Fistula / Q000150:complications* / Q000473:pathology; D014625:Vaginal Neoplasms / Q000150:complications*