A 90-year-old woman was admitted to the emergency department of our hospital with abdominal pain and a fever of up to 39°C. She had a history of hysterectomy about 30 years previously, and redness and swelling were seen at the abdominal median scar. Serum biochemistry showed minor elevation of C-reactive protein and creatine phosphokinase. Abdominal computed tomography (CT) showed an edematous intestinal tract image over the median abdominal wall. Incarcerated incisional hernia and intestinal necrosis were suspected. Therefore, emergency surgery was performed. On laparotomy, abundant purulent ascitic fluid was found. The small intestine was incarcerated about 100 cm orally from the terminal ileum, and a 2-mm perforation was present in the incarcerated small intestine. In addition, some white areas measuring 1 mm were found in the small intestinal wall. A press-through package (PTP) of a tablet was confirmed in the intestinal tract near the perforated area. We removed the PTP through the perforation and performed direct suture. Postoperatively, we retrospectively reviewed the CT image and found a high-density shadow which seemed to represent the PTP.

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