Colorectal cancer (CRC) is the most common cancer in Malaysia. Colonoscopy is the gold standard for bowel cancer screening and the diagnosis of bowel pathology. Adenoma detection rate (ADR) is an important intraprocedural quality indicator, where endoscopists with ADR below 20% had ratios for the development of cancer more than 10 times higher than endoscopists with ADR more than 20%. A low ADR can be due to inferior visualization, especially at locations proximal to colonic folds and flexures. Endo-Wing™ (Shangxian Minimal Invasive Inc, China) is a medical-grade soft silicone rubber device that is attached to the end of a colonoscope. It has 6 soft wing-like projections that are bendable and pliable, which gives a superior visualization directly from its action of flattening the colonic folds and maintaining the central view of the colonoscope during withdrawal. This can improve the endoscopist's ADR. The purpose of this study is to compare the adenoma detection rate between standard colonoscopy and Endo-Wing™ assisted colonoscopy.
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Adenoma Detection Rate (ADR)
Timeframe: From enrollment through study completion, an average of 8 months.