Abstract
Video capsule endoscopy, which was initially developed for exploring the small bowel, has been adapted for investigating the colon. This review summarizes recent developments in colon capsule technology as well as indications for its use. Second-generation PillCam colon capsule endoscopy (CCE-2) has been recently developed and has significantly improved the sensitivity and specificity of colon capsules for detecting polyps and/or tumors in patients with suspected or known colonic lesions. The use of CCE-2 has been shown to be of value in patients with incomplete standard colonoscopy. The use of CCE-2 has also been investigated in patients with ulcerative colitis and in outpatient settings. Several trials have tried to simplify the colon preparation regimen. Colon capsule endoscopy is a novel technique for exploring the colon. CCE-2 has improved the diagnostic capability of this noninvasive method. There is still room for improvement and simplification of colon preparation regimens. Apart from detection of polyps or neoplasms, colon capsule endoscopy has also been assessed in patients with inflammatory bowel disease.
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