RENAL artery aneurysms (RAAs) are rare, with a reported incidence of 0.015%–1.32% ( 1 Hageman JH Smith RF Szilagyi DE Elliott JP Aneurysms of the renal artery: problems of prognosis and surgical management. Surgery. 1978; 84: 563-571 PubMed Google Scholar , 2 Tham G Ekelund L Herrlin K et al. Renal artery aneurysm. Natural history and prognosis. Ann Surg. 1983; 197: 348-352 Crossref PubMed Scopus (249) Google Scholar , 3 Martin RS Meacham PW Ditesheim JA et al. Renal artery aneurysm: selective treatment for hypertension and prevention of rupture. J Vasc Surg. 1989; 9: 26-34 PubMed Scopus (117) Google Scholar ). Although most RAAs may be safely observed, indications for treatment include a size more than 2.5 cm, interval enlargement, renovascular hypertension, pain, hematuria, intrarenal thromboemboli, and lesions in women of childbearing age ( 1 Hageman JH Smith RF Szilagyi DE Elliott JP Aneurysms of the renal artery: problems of prognosis and surgical management. Surgery. 1978; 84: 563-571 PubMed Google Scholar , 2 Tham G Ekelund L Herrlin K et al. Renal artery aneurysm. Natural history and prognosis. Ann Surg. 1983; 197: 348-352 Crossref PubMed Scopus (249) Google Scholar , 4 Henricksson C Bjorkerund S Nilson AE Pettersson S Natural history of renal artery aneurysm elucidated by repeated angiography and pathoanatomical studies. Eur Urol. 1985; 11: 244-248 PubMed Google Scholar , 5 Hubert JP Pairolero PC Kasmier FJ Solitary renal artery aneurysm. Surgery. 1980; 88: 557-565 PubMed Google Scholar ). Traditionally, the definitive management of RAA has consisted of operative repair or nephrectomy. Although stent-grafts have been used for the exclusion of aortic and iliac aneurysms ( 6 Kaufman JA Brewster DC Geller SC et al. Custom bifurcated stent-graft for abdominal aortic aneurysms: initial experience. JVIR. 1999; 10: 1099-1106 Abstract Full Text PDF Scopus (14) Google Scholar ), there exists, to our knowledge, only a single published case description of stentgraft exclusion for the treatment of RAA ( 7 Bui BT Oliva VL Leclerc G et al. Renal artery aneurysm: treatment with percutaneous placement of a stent-graft. Radiology. 1995; 195: 181-182 Crossref PubMed Scopus (93) Google Scholar ). In this report, we describe our experience with two cases of percutaneous RAA exclusion with use of polytetrafluoroethylene (PTFE)-covered Palmaz stents (Cordis, Warren, NJ).