Abstract
Colorectal cancer (CRC) is one of the leading cause of cancer deaths worldwide and increasing use of screening colonoscopy has reduced the CRC related mortality.[1] [2] The adenoma miss rate has been shown to be 25% for any adenoma and 27% for serrated polyps in a meta-analysis.[3] This may explain the occurrence of interval cancer. Adenoma detection rate (ADR) is one of the important quality indicators of colonoscopy. An improvement in the ADR is associated with lower interval CRCs and lower mortality.[4] [5] New technologies have been reported in the literature to improve ADR, including enhanced optics, endocuff attachments, extra wide angle endoscopes and cap-assisted techniques to have a better mucosa visualization and eventually reduce the adenoma miss rate.
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