RENAL ADENOMA: RETROSPECT AND PROSPECT

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Abstract
Giant renal adenoma is a relatively uncommon lesion which may be difficult to diagnose correctly if the criterion of size is given undue emphasis. Rather, cellular appearance, histologic morphology, and presence or lack of blood vessel and/or lymphatic invasion, capsular extension, and retroperitoneal invasion should be strongly emphasized.A benign lesion such as adenoma should be considered preoperatively when there is a partial or complete response of neovascularity to epinephrine, lack of parasitation of vascular supply from an adjacent renal artery (when present), no demonstration of tumor vessels beyond the margin of the mass lesion, and lack of arteriovenous shunting.If the possibility of a benign lesion can be raised prior to surgery, a less radical approach to the lesion can be planned.Ultimately, the clinical course of the patient will judge both the pathologic and roentgenologic diagnoses.

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