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The Interval for Screening Colonoscopy—Is 15 the New 10? | Colorectal Surgery | JAMA Oncology | ÌÇÐÄvlog

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Editorial
May 2, 2024

The Interval for Screening Colonoscopy—Is 15 the New 10?

Author Affiliations
  • 1Division of Gastroenterology and Hepatology, Department of Medicine and Therapeutics, Prince of Wales Hospital, Chinese University of Hong Kong, Hong Kong, China
  • 2Department of Clinical Oncology, Prince of Wales Hospital, Chinese University of Hong Kong, Hong Kong, China
  • 3Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Chinese University of Hong Kong, Hong Kong, China
  • 4Clinical and Translational Epidemiology Unit, Massachusetts General Hospital and Harvard Medical School, Boston
  • 5Division of Gastroenterology, Massachusetts General Hospital and Harvard Medical School, Boston
  • 6Department of Immunology and Infectious Diseases, Harvard University T.H. Chan School of Public Health, Boston, Massachusetts
JAMA Oncol. 2024;10(7):864-865. doi:10.1001/jamaoncol.2024.0249

Most colorectal cancers (CRCs) develop via the adenoma-carcinoma sequence, a stepwise process characterized by mutations in healthy tissue that accumulate in the progression from adenomatous polyps to cancer. First coined the polyp-cancer sequence nearly a century ago,1 it is widely believed that the contemporary concept was first used by Jackman and Mayo in 1951.2 Even before more modern sequencing technology facilitated the elucidation of the underlying molecular mechanisms, it was well understood that this process is typically slow, generally taking approximately 10 years.3 This time frame is the empirical basis for most current colorectal cancer screening guidelines that endorse a 10-year interval after a colonoscopy with no abnormal findings.4-6

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