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The adenoma detection rate (ADR) was first proposed by the US Multi-Society Task Force on Colorectal Cancer in 2002 and, subsequently, has been validated as a strong predictor of colorectal cancer risk after colonoscopy. ADR is now widely considered the most important quality measure in colonoscopy. ADR is a surrogate for missed lesions and for cancer incidence after colonoscopy. ADR has weaknesses, and multiple other detection targets have been evaluated as alternatives. This review discusses the history of ADR, the strength and weaknesses of ADR, and proposed alternatives to ADR. Of the alternatives, adenomas per colonoscopy has the most advantages with limited disadvantages relative to ADR and has some potential to eventually replace ADR.
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Douglas K. Rex (2019) studied this question.
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