title: Adenocarcinoma of the urachus with vesicoenteric fistula.
abstract: A case of mucoid adenocarcinoma of the urachus demonstrated by ultrasonography, cystography, and computerized tomography is presented. The inhomogeneous, echogenic mass was confluent with the anterior--superior aspect of the bladder but was also associated with a fistula between the bladder and small intestine, a finding not previously reported.
mesh_terms: D002288:Adenocarcinoma, Mucinous / Q000150:complications / Q000000981:diagnostic imaging*; D000368:Aged; D006801:Humans; D007412:Intestinal Fistula / Q000150:complications / Q000000981:diagnostic imaging; D008113:Liver Neoplasms / Q000556:secondary; D008297:Male; D014057:Tomography, X-Ray Computed; D014497:Urachus / Q000000981:diagnostic imaging*; D001747:Urinary Bladder Fistula / Q000150:complications / Q000000981:diagnostic imaging*; D001749:Urinary Bladder Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*