A 36-year-old male patient presented with a 3 cm aneurysm of the proximal splenic artery, which originated from the superior mesenteric artery. A surgical management was decided. Exposure of the superior mesenteric artery by a Kocher manoeuvre allowed a safe control of the proximal superior mesenteric artery and the ligation of the aneurysm. Splenic preservation was possible and the postoperative course was uneventful. The aneurysm localization on an anatomical variation of the splenic artery has modified the therapeutic strategy.
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