Oncocytoma

Section Editor: Dharam M. Ramnani, MD

Virginia Urology, Richmond, VA, USA

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Densely packed solid nests of tumor cells are separated by scant amount of loose stroma. With regards to immunohistochemical stains, oncocytomas are usually negative for CK7, CD10, vimentin, and monoclonal RCC.
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Image 13 of 42

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