Canadian considerations on updating the age of initiation for colorectal cancer screening in individuals at average risk.

Can J Surg

From the University of Ottawa, Department of Surgery, The Ottawa Hospital - General Campus, Ottawa, Ont. (Skulsky); the University Health Network, Department of Surgery, Toronto, Ont. (Al-Sukhni); the University of Toronto Faculty of Medicine, Toronto, Ont. (Al-Sukhni); the Centre hospitalier régio

Published: August 2025


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Article Abstract

The incidence of early-onset colorectal cancer (CRC), defined as CRC occurring in individuals younger than 50 years, is increasing globally. Emerging evidence suggests that the incidence and prevalence of CRC in individuals aged 45-49 years approach those in individuals aged 50-59 years. To address this concerning trend, many health care systems and clinical specialist societies are advocating for lowering the age of initiation for CRC screening in individuals at average risk to 45 years. The present review, provided by the Canadian Association of General Surgeons Clinical Practice Committee, gives an overview of the current CRC screening guidelines in Canada, the rationale for earlier screening, and the challenges and impact of lowering the screening age to 45 years to health care systems in Canada.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC12342832PMC
http://dx.doi.org/10.1503/cjs.000825DOI Listing

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