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Figure 3a. Active ileal bleeding in a 75-year-old woman. (a) Unenhanced CT scan shows no hyperattenuating material within the terminal ileum (arrow). (b) CT angiogram obtained immediately after a demonstrates pooling of contrast material within the terminal ileum (arrow). (c) Coronal oblique CT angiogram shows a prominent ileocolic branch coursing toward the bleeding terminal ileum (arrow). (d) Catheter angiogram shows active bleeding from an ileocolic branch of the SMA and pooling of contrast material within the terminal ileum (arrow), thereby helping confirm the CT angiographic findings. The patient was treated successfully with coil embolization.
