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We read with great interest the recent endoscopy news reported by Gluck et al,1 presenting a novel prepless X-ray imaging capsule for colon cancer screening. The capsule emits low-dose X-rays that can penetrate the colon contents and identify polyps without the need for bowel preparation. However, one capsule retention occurred in 46 asymptomatic volunteers in a pilot study and it was retrieved by colonoscopy. Actually, capsule endoscopy retention is not rare even in patient without suspected Crohn's disease or bowel obstruction, with a retention rate of around 1.0%.2 ,3 Most retained capsules remain harmless but some can cause bowel obstruction, perforation or even capsule fragmentation.4 Several case reports described the use of double-balloon enteroscopy (DBE) for capsule extraction.5 ,6
In this investigation, we aimed to evaluate the use of DBE for retrieval of endoscopic capsules and identify …
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