PMC4573598_01
Preoperative radiological findings.. (A) Radiography showed free free intraperitoneal air under the right diaphragm.. (B) CT revealed widespread pneumoretroperitoneum (arrow heads).
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Plain radiography of the abdomen showed free intraperitoneal air under the right diaphragm (Fig. 1A). A contrast-enhanced abdominal computed tomography (CT) scan revealed widespread pneumoretroperitoneum (Fig. 1B).
Intraoperative findings.. (A) A perforation was detected at the posterior wall of the third portion of duodenum.. (B) A 25 mm x 15 mm blister pack was protruding from the lumen.. (C) After foreign body removal, 3-cm laceration was obserbed.. (D) Primary suture repair was performed, followed by mental patch and peritoneal lavage.
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Intraoperative findings are summarized in Fig. 2.
Review of preoperative CT.. A dense linear opacity could be recognized in the axial and coronal plane (arrow).
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Retrospective review of preoperative CT revealed a linear opacity in the duodenal lumen (Fig. 3).