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(a) 81-year-old male patient with intra-abdominal hematoma (arrow) adjacent to a small bowel loop (arrowhead) after Whipple surgery. (b) Measurement of iodine maps shows a difference in VNC and iodine values (dual-energy CT) between hematoma and intestinal loops, but no difference in DE-LB (single-energy CT). Due to the extensive hematoma, a re-laparotomy was subsequently performed.
