Inferior mesenteric artery aneurysm revealed by massif rectal bleeding, case report.

Abstract Introduction Inferior mesenteric aneurysms are rare, usually asymptomatic. Their diagnostic is challenging based on clinical examination, ultrasonography, and abdominal CT scan; surgery remains the gold standard of treatment. Case report In this paper, we will report a clinical case of 62 years old man admitted to the emergency department for massif rectal bleeding due to inferior mesenteric aneurysm fistulization in the transversal colon one month after a left colectomy; the treatment was surgical consisted of a Ligation. Conclusion IMA aneurysm is a rare condition, usually asymptomatic, and it might be revealed by various symptoms, including massif rectal bleeding.