title: Atypical carcinoma of kidney: possibly originating from collecting duct epithelium.
abstract: An atypical carcinoma of the kidney with cellular elements of renal cell and transitional cell carcinoma is presented. The unusual histologic features suggest a lesion originating from the collecting duc t epithelium. Evaluation of atypical renal carcinoma as to origin is advocated.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology*; D002295:Carcinoma, Transitional Cell / Q000473:pathology*; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*; D007684:Kidney Tubules; D007685:Kidney Tubules, Collecting; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000473:pathology*