Fig. 1

Contrast-enhanced computerized tomography (CT) scan of the abdomen revealed moderate pneumoperitoneum with intraperitoneal fluid. a, b Many sites of disrupted jejunal wall with mottled air from bowel lumen into nearby mesentery was observed, which is consistent with jejunal perforation. c Long segmental bowel wall thickening and marked enhancement along the jejunum, as well as bowel wall disruption at the splenic flexure of the colon, indicated the presence of air outside the colonic lumen