title: Benign cecal villous adenoma presenting as a bladder mass.
abstract: Involvement of contiguous organs by a neoplasm is ordinarily evidence of aggressive malignant behavior. A patient presented with a bladder mass found to be arising in the cecum and diagnosed as a benign villous adenoma. Growth down a diseased appendix is proposed to explain the apparent extension of a relatively nonaggressive lesion into an adjacent organ.
authors.affiliation: Department of Radiology, University of Cincinnati Hospitals, Ohio.
authors.forename: G A
authors.initials: GA
authors.lastname: Wells
authors.forename: J E
authors.initials: JE
authors.lastname: Lichtenstein
authors.forename: J S
authors.initials: JS
authors.lastname: Moulton
mesh_terms: D000236:Adenoma / Q000000981:diagnostic imaging* / Q000473:pathology; D000328:Adult; D002430:Cecal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D014057:Tomography, X-Ray Computed; D001749:Urinary Bladder Neoplasms / Q000000981:diagnostic imaging*