Renal oncocytoma, benign or malignant?

fariba binesh, ali akhavan, hassanali vahedian, hamidreza bashiri, marjan hakiminia

Abstract


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Renal oncocytoma is a benign renal tumour that is commonly asymptomatic, discovered incidentally, with diagnostic imaging. This benign tumor occasionally co-exists with a malignant neoplasm, which may be present within or near the oncocytoma, and in addition rarely few cases of renal oncocytoma have simulated malignant course showing extension to branches of renal vein or distant metastasis.  Here's a rare case of renal oncocytoma in a 56 year- old woman, who referred with distant metastatic disease has been reported.


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