Hereditary nonpolyposis colorectal cancer other imaging findings
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Maria Fernanda Villarreal, M.D. [2]
Overview
Diagnostic and screening endoscopy is recommended in the case of HNPCC.[1] According to the American College of Gastroenterology, patients with HNPCC should undergo colonoscopy every 2 years beginning at age 20–25 years, until age 40 years, then annually thereafter.[2]
Other Imaging Findings
Colonoscopy
Patients with HNPCC should undergo colonoscopy every 2 years beginning at age 20–25 years, until age 40 years, then annually thereafter.[2]
ACG Guidelines - Colorectal Cancer Screening
Patients with positive tests can be offered genetic testing and when genetic testing is positive in a proband, at risk family members can be offered genetic testing. Those patients with positive genetic testing, or those at risk when genetic testing is unsuccessful in an affected proband, should undergo colonoscopy every 2 years beginning at age 20–25 years, until age 40 years, then annually thereafter (Grade 2 B). [2]