Oncocytic carcinoma arises from -
Oncocytoma
• Arises from the intercalated cells of collecting ducts.
• Epithelial tumor composed of large eosinophilic cells having small, round, benign-appearing nuclei that have large nucleoli.
• Ultrastructurally the eosinophilic cells have numerous mitochondria.
Perivascular
Glomerulus
Loop of henle
Collecting duct