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  • Title: Wireless capsule endoscopy for evaluation of phenotypic expression of small-bowel polyps in patients with Peutz-Jeghers syndrome and in symptomatic first-degree relatives.
    Author: Soares J, Lopes L, Vilas Boas G, Pinho C.
    Journal: Endoscopy; 2004 Dec; 36(12):1060-6. PubMed ID: 15578295.
    Abstract:
    BACKGROUND AND STUDY AIMS: Peutz-Jeghers syndrome (PJS) is an inherited gastrointestinal hamartomatous polyposis disorder. Small-bowel intussusception and bleeding are the most common complications, and malignancy may also occur. Survey of the gastrointestinal tract, particularly of the small bowel, is difficult and current recommendations for management syndrome are ambiguous. We evaluated the feasibility of capsule endoscopy for identifying phenotypic expression of small-bowel polyps in patients with full-blown PJS and a previous diagnosis of gastrointestinal polyposis, and in symptomatic kindred of PJS patients with no previous diagnosis of gastrointestinal polyposis. PATIENTS AND METHODS: Two groups were studied: group A consisted of 14 patients with gastrointestinal polyposis, eight of whom had undergone previous small-intestine surgery; group B consisted of six symptomatic first-degree relatives of PJS patients; these patients had previous negative gastrointestinal endoscopic examinations. RESULTS: Numerous polyps were detected in all patients in group A. Most polyps were sessile, but the larger polyps tended to be pedunculated. Polyp density was highest in the jejunum (greater than in the ileum and duodenum). Seven patients had at least one large polyp (> 11 mm) and five of these patients subsequently underwent enteroscopy, which revealed that capsule endoscopy had correctly identified all the patients with large polyps, but had missed 20 % of the total number of large polyps in these patients. No polyps were detected by capsule endoscopy in group B patients, despite the excellent visualization of the small intestine. In all patients, the capsules were expelled within 24 hours, without complications, and the procedure was well tolerated. CONCLUSIONS: Capsule endoscopy is an effective and well-tolerated method for evaluating small-bowel pathology in patients with PJS.
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