Primary hydatid cyst of the prostate gland.
D000328:Adult; D004443:Echinococcosis / Q000175:diagnosis / Q000473:pathology / Q000601:surgery; D006801:Humans; D008297:Male; D011467:Prostate / Q000601:surgery; D011469:Prostatic Diseases / Q000175:diagnosis / Q000473:pathology / Q000601:surgery