Resumen

CASTILLO, Octavio; HOYOS, Jorge; VITAGLIANO, Gonzalo  y  ARELLANO, Leonardo. Inverted papilloma of the bladder. Arch. Esp. Urol. [online]. 2006, vol.59, n.7, pp.691-695. ISSN 0004-0614.

Objetives: To report a series of patients with bladder inverted papilloma, pointing out the clinical features, presentations, treatment options and outcomes. We also perform a bibliography review oriented to the diagnostic criteria, treatment options and prognosis of the inverted papilloma. Methods: We reviewed the medical charts of allpatients with the diagnosis of bladder inverted papillomatreated by our group between July 1996 and June 2003. Results: 16 cases of inverted papilloma of the bladder were diagnosed in ten males and six females, with a mean age of 53.1 yr. (range 31-72). The most frequent reason for consultation was voiding urgency (43.7%), followed by hematuria (37.5%). In 14/16 patients the lesion was localized in the bladder trigone. Transurethral resection of the lesion was performed in all patients. Two cases (12.5%) presented associated transitional cellcarcinoma. Conclusions: The inverted papilloma is a rarepathologic entity. Despite the absence of agreement about its aggressiveness or innocuousness we consider its potential malignancy should be taken into consideration after the evidence of recurrences and its association with transitional cell carcinoma.

Palabras clave : Inverted papilloma; Bladder cancer.

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