Abstract
Isolated aneurysms of the iliac arteries are extremely rare, comprising less than 2% of all aneurysmal disease. These aneurysms are typically seen in older men. Their natural history, although fairly indolent, carries a significant risk of rupture when the aneurysms have attained a large size. Their operative mortality is significantly higher when undertaken as an emergent versus elective procedure, underscoring the importance of early diagnosis and appropriate management. This article reviews the literature with regard to the natural history, diagnostic workup, and treatment of iliac artery aneurysms. For patients undergoing elective repair, preoperative imaging with computed tomography or magnetic resonance is advocated. Repair is recommended for good-risk patients with aneurysms larger than 3.5 cm. A working classification based on aneurysmal anatomy is provided along with an outline of the suggested open and endovascular surgical options. Results of open and endovascular strategies are summarized and follow-up recommendations are proposed.
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