title: Bilateral kidney tumors: oncocytoma and adenocarcinoma. A case report.
abstract: An unusual case of bilateral kidney tumors with two histologically different tumors, one right-sided oncocytoma and one left-sided renal cell carcinoma is described. The morphological features of the two tumors are briefly delineated. The diagnostic dilemma between an oncocytoma and a renal cell carcinoma is discussed.
mesh_terms: D000230:Adenocarcinoma / Q000648:ultrastructure*; D000236:Adenoma / Q000648:ultrastructure*; D006801:Humans; D007680:Kidney Neoplasms / Q000648:ultrastructure*; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000648:ultrastructure*