PMC7193318_01
(a) Computed tomography (CT) findings. CT reveals intestinal dilatation, but no evidence of free air or gastrointestinal perforation. (b) The excised specimen showing ischemic changes and a perforation in the ileum.
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He complained of abdominal pain, and non-contrast computed tomography (CT) revealed intestinal dilatation but no free air in the abdominal cavity (Fig. 1a) (day 7). On inspection of the abdominal cavity, ischemic changes and partial perforation were observed in the ileum; he was diagnosed with perforative peritonitis associated with ischemic enteritis (Fig. 1b).
PMC7193318_02
Intraoperative findings. (a) An incarcerated obturator hernia was found in the ileum. (b) The ileum was found to be torn once the incarceration was released.
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Inspection of the abdominal cavity revealed an incarcerated obturator hernia in the ileum (Fig. 2a). The ileum was torn upon release of the incarceration (Fig. 2b).
PMC7193318_03
Intraoperative findings. A mesenteric abscess was found beside a perforated sigmoid diverticulum.
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He underwent intraperitoneal drainage (Fig. 3).