Abstract
We report an unusual case of retrovesical ectopic prostate tissue in a 73-year-old man with primary prostate cancer. The man’s prostate-specific antigen was 24.66 ng/ml.Transabdominal ultrasonography, pelvic computed tomography,and pelvic magnetic resonance imaging demonstrated a heterogeneous 8.5 × 8.0 × 7.0 cm mass in contact with the posterior wall of the urinary bladder. The patient underwent a retropubic radical prostatectomy and resection of tumor. Pathological examination of prostate revealed a prostatic adenocarcinoma, Gleason score of 4 + 5 = 9, and the retrovesical tumor was confirmed to be a benign prostate tissue.
Highlights
Ectopic prostatic tissue is a relatively uncommon entity that is most commonly encountered in the lower male genitourinary tract [1]
We report an unusual case of retrovesical benign ectopic prostatic tissue accompanied by primary prostate cancer
Most aberrant prostatic tissue occurs in the urethra [6] and urinary bladder [7], but has been observed in the testis [8], epididymis [9], seminal vesicle [5], cervix, and vagina [10]
Summary
Ectopic prostatic tissue is a relatively uncommon entity that is most commonly encountered in the lower male genitourinary tract [1]. Only 10 cases of ectopic prostatic tissue situated in the retrovesical space have been published up to date [2,3,4]. Case report A 73-year-old man suffering from progressive dysuria was admitted to the urology department of our hospital. His medical, personal, and family histories were unremarkable. Pelvic magnetic resonance imaging showed a tumor of heterogeneous intensity with a multilocular cystic structure (Figure 1). The level of the prostate-specific antigen (PSA) showed an elevation (24.66 ng/ml). It was not clear where the retrovesical tumor originated from.
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