Primary prostatic sarcomas are rare, reportedly comprising less than 1% of all prostate malignancies. Most patients present with lower urinary tract symptoms due to bladder outlet obstruction. Prostate-specific antigen (PSA) is typically normal.
Leiomyosarcoma of the urinary bladder is exceedingly rare. Most clinicians come across only a few cases during their career, and information regarding treatment and outcome is scattered in the scientific literature.
Prostate sarcoma, particularly the pathological type of leiomyosarcoma, is a rare carcinoma, which originated from the interstitial tissue of the prostate. This sarcoma type has a poor prognosis. This disease accounts for ~0.
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