Villous adenoma of the bladder

Villous adenomas of the bladder are rare tumors and up to now they have not been seen to undergo malignant transformation. We report a case of villous adenoma of the bladder with areas of adenocarcinoma in a 72-year-old man. We describe all the morphological, histochemical and immunohistochemical fe...

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Published inItalian journal of urology and nephrology Vol. 49; no. 3; p. 169
Main Authors Tripodi, S A, Laurini, L, Presenti, L, Brunettini, C, Boncompagni, G, Messina, M, D'Agata, A, Del Vecchio, M T
Format Journal Article
LanguageEnglish
Published Italy 01.09.1997
Subjects
Adenocarcinoma - chemistry
Adenocarcinoma - pathology
Adenocarcinoma - surgery
Adenoma, Villous - chemistry
Adenoma, Villous - pathology
Adenoma, Villous - surgery
Aged
Biomarkers, Tumor - analysis
Disease Progression
Hematuria - etiology
Humans
Male
Metaplasia
Neoplasm Proteins - analysis
Neoplasms, Multiple Primary - pathology
Neoplasms, Multiple Primary - surgery
Urinary Bladder Neoplasms - chemistry
Urinary Bladder Neoplasms - pathology
Urinary Bladder Neoplasms - surgery
Urothelium - pathology
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Summary:Villous adenomas of the bladder are rare tumors and up to now they have not been seen to undergo malignant transformation. We report a case of villous adenoma of the bladder with areas of adenocarcinoma in a 72-year-old man. We describe all the morphological, histochemical and immunohistochemical features characterizing this tumor. We recommend adequate pathological sampling and a thorough follow-up of patients with villous adenoma. The prognosis and the behaviour of these adenomatous papillary lesions, morphologically similar to colonic adenomas, in the bladder is unclear. We report a case with focal area of adenocarcinoma and review the literature.
ISSN:0393-2249