title: Extraprostatic papillary cystadenocarcinoma of the prostate.
abstract: A 62-year-old man was evaluated for lower urinary tract symptoms. Imaging studies showed a normal prostate and multiple cysts between the rectum and bladder with no evident communication to the prostate. On pathology, papillary cystadenocarcinoma with positive immunohistochemical staining for PSA was confirmed.
authors.affiliation: Department of Urology, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Abdol-Mohammad
authors.initials: AM
authors.lastname: Kajbafzadeh
authors.forename: Hooman
authors.initials: H
authors.lastname: Djaladat
mesh_terms: D018283:Cystadenocarcinoma, Papillary / Q000175:diagnosis* / Q000378:metabolism; D006801:Humans; D007150:Immunohistochemistry; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D017430:Prostate-Specific Antigen / Q000097:blood*; D011471:Prostatic Neoplasms / Q000175:diagnosis* / Q000378:metabolism / Q000473:pathology
chemical_list: D017430:Prostate-Specific Antigen