Mycotic abdominal aortic aneurysms although rare are accompanied by an extensive risk of morbidity and mortality. Surgical treatment is challenging, but it offers the only chance of survival. Extra-anatomic aortic reconstruction through uninfected tissues is feasible, providing a durable therapeutic option in the presence of severe infection.Keywords Fever of unknown origin . Renal revascularization . Extra-anatomic bypass . Mycotic aneurysm . Prostheses and implants . Vascular surgical procedures Case SummaryA 64-year-old patient with a fever of unknown origin during the last 20 days underwent a computed tomography scan which displayed a previously known infrarenal small abdominal aortic aneurysm (AAA) as well as a newly diagnosed 4.5 cm pararenal saccular aneurysm located in the right anterior abdominal aortic segment, including the right renal and the left renal artery ostia (Fig. 1). Preoperative blood cultures revealed Staphylococcus hominis which along with clinical and radiological findings, in the absence of an alternative diagnosis, suggested a high probability of a mycotic AAA (MAAA).
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