The Nellix® endovascular aneurysm sealing system (EVAS) is a relatively novel approach for the treatment of abdominal aortic aneurysms (AAAs). We present herein a case of duodenal obstruction (DO) which occurred following an EVAS treatment for the repair of an AAA. A 77-year old man was admitted to our hospital with acute abdominal pain and recurrent vomiting. Computed tomography (CT) revealed a retroperitoneal 66 × 59 × 90 mm (antero-posterior, AP; latero-lateral, LL; cranio-caudal: CC) solid mass located in the epigastrium, corresponding to the infrarenal abdominal aortic aneurysm sac, previously treated by EVAS. An exploratory laparotomy was performed, which revealed a retroperitoneal mass compressing the third and fourth parts of the duodenum. A gastroenteroanastomosis was performed in order to bypass the duodenal obstruction. An extensive search of biomedical literature databases was conducted to identify similar cases. To our knowledge, this is the first reported case of DO following an AAA repair with EVAS.
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