A 40-year-old Japanese man with abdominal pain was referred to our hospital. The patient had been diagnosed with Crohn's disease at the age of 21 years and had since then received treatment with mesalazine and had been advocated an elemental diet. About 30 months before his visit to the hospital, he had swallowed a patency capsule, the retention of which in the ileum was subsequently detected on abdominal ultrasonography. The patient was advised to undergo the evaluation of stenosis, but he refused further investigation at that time. Computed tomography scanning performed at our institution revealed stenosis of the ileum and the presence of a high-density material in the proximal side of the stenosis. Double-balloon enteroscopy and enterography with contrast media revealed multiple stenoses of the ileum. The stenotic ileum was surgically resected, and a foreign body was removed. Electron microscopy analysis revealed that the foreign body was the cellophane wall of the PillCam patency capsule. Thus, the retention of the cellophane wall of a patency capsule after consumption was diagnosed for the current case on the basis of the study findings.
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Article Synopsis
- A study was conducted to compare two preparation protocols for patients with Crohn's disease who ingested a patency capsule (PC) to assess its effectiveness in reducing failed PC rates.
- The pro-motility group, which followed a specific diet and took medication, showed a significantly lower failed PC rate (12.0%) compared to the control group (24.7%).
- Findings suggest that the pro-motility protocol not only enhances the success rate of the patency test but may also help minimize the risk of complications related to capsule retention.
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