title: Carcinosarcoma of the renal pelvis.
abstract: An unusual heterologous carcinosarcoma of the renal pelvis is reported. The differential diagnosis, problems related to nomenclature and histogenetic implications of this rare neoplasm are discussed.
mesh_terms: D002295:Carcinoma, Transitional Cell / Q000473:pathology*; D002296:Carcinosarcoma / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*; D007682:Kidney Pelvis; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D012208:Rhabdomyosarcoma / Q000473:pathology*