Hara, S Prostatic caruncle: a urethral papillary tumor derived from prolapse of the prostatic duct. [electronic resource] - The Journal of urology Mar 1977 - 303-5 p. digital Publication Type: Journal Article ISSN: 0022-5347 Standard No.: 10.1016/s0022-5347(17)58441-4 doi Subjects--Topical Terms: AdultHumansMaleMiddle AgedProlapseProstatic Diseases--complicationsProstatic Neoplasms--etiologyUrethral Neoplasms--etiology