The image finding of case one during preoperation, intraoperation and follow-up. A and B, Preoperative computed tomographic angiography (CTA) confirmed a 40 mm × 38 mm splenic artery aneurysm (SAA) near the origin of the superior mesenteric artery (SMA). C, Intraoperative digital subtraction angiogram (DSA) demonstrated the findings same as CTA. D, The completion aortogram revealed disappearance of the aberrant SAA lumen and patency of the SMA but a tiny endoleak. E and F, Follow-up abdominal CT scan in 12 months postoperatively confirmed an occluded aneurysm sac with marked shrinkage and patency of the SMA.