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To review the clinical features and results of surgical treatment of renal artery aneurysms from two large centers. A retrospective analysis of 21 hypertensive patients with renal artery aneurysms operated in two centers during a 24-year period was performed. The presenting symptom was subcostal or flank pain in 8 (38%) and hematuria in 5 (24%) cases. A ring-like calcification was seen on plain X-ray in 6 (29%) cases. All patients were evaluated with renal angiography showing a saccular aneurysm in 13 cases (62%), fusiform in 5 (24%) and dissecting in 3 (14%) cases. All saccular aneurysms were treated with resection followed by reconstruction with vein patch in 10 cases, and with and end-to-end anastomosis in 3 cases. All fusiform and dissecting aneurysms were managed with resection and reconstruction using aortorenal bypass. There was no hospital mortality or …