Symptomatic solitary right renal vein aneurysm: A case report

Renal vein aneurysms are very uncommon. Those located in the right side are exceptional. A symptomatic, solitary. voluminous aneurysm of the right ren al vein in a 33-year-old man is reported. The lesion was diagnosed preopera tively as a renal tumor. The pathologic study of the nephrectomy specimen d isclosed a thrombosed saccular aneurism measuring 5.5 cm with marked medial atrophy of its wall, Recognition that a mass like this reported is of vasc ular origin is very important to avoid percutaneous biopsy which could be p otentially hazardous; and for undertaking conservative prophylactic surgery . Renal venography is indicated for the diagnosis of these lesions. Cardiov asc Pathol 2000;9:29-32 (C) 2000 by Elsevier Science Inc.