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CT angiography: (A) A 5-mm oblique MPR shows the splenic artery pseudoaneurysm (arrow) on the posterior wall of the stomach with intragastric bleeding (arrowhead); (B) VRT reconstruction presents critical stenosis of the celiac artery (arrow); (C) VRT in coronal projection shows the ruptured pseudoaneurysm (arrow) with collaterals through the pancreaticoduodenal (arrowheads) and gastroepiploic arteries (empty arrow).
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In order to localize the source of bleeding, emergent CT angiography was carried out (Figure 1).
Follow-up CT in a 5-mm axial MPR shows epigastric pathological fluid collection (arrow) adjacent to the ligated vessel. The lesion was diagnosed as postoperative hematoma.
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A follow-up CT performed two weeks after surgery showed regression of the pathological fluid collection to 2.8 cm in diameter (see Figure 2).