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Am J Surg Pathol. 1983 Jun;7(4):351-6.

Epithelial polyps of the prostatic urethra. A light-microscopic and immunohistochemical study.


Epithelial polyps of the prostatic urethra are an uncommon and histologically heterogeneous group of lesions. We review the clinical and histologic features of a series of seven such polyps. Six were composed of prostatic-type epithelium. In five instances the epithelium was entirely histologically identical to that of normal prostate. One case contained foci of stratified, mitotically active cells, suggesting adenomatous transformation. All six stained intensely for both prostatic acid phosphatase and prostatic specific antigen. The seventh polyp was cytologically different. It was composed of flattened to cuboidal cells that did not stain for either antigen. All patients were treated by transurethral excision, and none of the six with follow-up developed a recurrence.

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