A celiacomesenteric trunk (CMT) aneurysm is extremely uncommon in splanchnic aneurysm, accounting for less than 0.5% of the population. We report a case of CMT aneurysm that led to surgical treatment. The patient underwent excision of the aneurysm with successful vascular reconstruction. Only eight cases of CMT aneurysm have been reported so far. Awareness of congenital vascular anomalies and grasp of embryologic development are necessary for adequate surgical intervention.
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