From which of the following renal oncocytoma arises ?
Correct Answer: Collecting duct
Description: RENAL ONCOCYTOMA: Benign epithelial neoplasm Arises from the intercalated cells of collecting ducts. Associated with genetic changes : loss of chromosomes 1 and Y Gross appearance- tumors are tan colored ,relatively homogeneous, and well encapsulated with central stellate scar Microscopically- characterized by a plethora of mitochondria which gives them tan color and granular eosinophilic cytoplasm.
Category:
Pathology
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