Isolated common iliac artery aneurysm with specific anatomical considerations
Introduction: Iliac artery aneurysms (IAA) are a rare entity with a prevalence lower than 2% in the general population involving typically the common iliac artery in 70-90%.
Case-report: This is the clinical case of an 88 years-old male patient with an isolated giant IAA, 84mm maximum diameter, diagnosed following a four-month period of lower abdominal discomfort and pelvic hyperemic mass. The IAA was successfully excluded with an endovascular approach with an aorto-uni-iliac endograft Endurant II (Medtronic Cardiovascular, Santa Rosa, CA, USA) followed by a femorofemoral right to left bypass.
Discussion: Asymptomatic IAA are difficult to identify due to their anatomical location deep within the pelvis but once symptomatic they are associated with a high rate of morbidity and mortality. Their management has evolved toward an endovascular first approach over the past decades, nevertheless, the type of operative repair depends on patient anatomy, clinical stability and the presence of other concomitant aneurysms.
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