title: Primary transitional cell carcinoma of the prostate.
abstract: Two cases of the rare primary paramalpighien tumors of prostate, arising from the prostate gland canals lined with paramalpighien epithelium, are described and their poor prognosis due to rapid local and metastatic spread emphasized.
mesh_terms: D000368:Aged; D002295:Carcinoma, Transitional Cell / Q000175:diagnosis* / Q000556:secondary; D006801:Humans; D008175:Lung Neoplasms / Q000556:secondary; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D011471:Prostatic Neoplasms / Q000175:diagnosis*