This is a focused update highlighting the most current NCCN Guidelines for diagnosis and management of Lynch syndrome. Lynch syndrome is the most common cause of hereditary colorectal cancer, usually resulting from a germline mutation in 1 of 4 DNA mismatch repair genes (MLH1, MSH2, MSH6, or PMS2), or deletions in the EPCAM promoter. Patients with Lynch syndrome are at an increased lifetime risk, compared with the general population, for colorectal cancer, endometrial cancer, and other cancers, including of the stomach and ovary. As of 2016, the panel recommends screening all patients with colorectal cancer for Lynch syndrome and provides recommendations for surveillance for early detection and prevention of Lynch syndrome-associated cancers.
Dawn Provenzale, Samir Gupta, Dennis J. Ahnen, Travis Bray, Jamie A. Cannon, Gregory Cooper, Donald S. David, Dayna S. Early, Deborah Erwin, James M. Ford, Francis M. Giardiello, William Grady, Amy L. Halverson, Stanley R. Hamilton, Heather Hampel, Mohammad K. Ismail, Jason B. Klapman, David W. Larson, Audrey J. Lazenby, Patrick M. Lynch, Robert J. Mayer, Reid M. Ness, Scott E. Regenbogen, Niloy Jewel Samadder, Moshe Shike, Gideon Steinbach, David Weinberg, Mary Dwyer and Susan Darlow
Samir Gupta, Dawn Provenzale, Scott E. Regenbogen, Heather Hampel, Thomas P. Slavin Jr, Michael J. Hall, Xavier Llor, Daniel C. Chung, Dennis J. Ahnen, Travis Bray, Gregory Cooper, Dayna S. Early, James M. Ford, Francis M. Giardiello, William Grady, Amy L. Halverson, Stanley R. Hamilton, Jason B. Klapman, David W. Larson, Audrey J. Lazenby, Patrick M. Lynch, Arnold J. Markowitz, Robert J. Mayer, Reid M. Ness, Niloy Jewel Samadder, Moshe Shike, Shajanpeter Sugandha, Jennifer M. Weiss, Mary A. Dwyer and Ndiya Ogba
The NCCN Guidelines for Genetic/Familial High-Risk Assessment: Colorectal provide recommendations for the management of patients with high-risk syndromes associated with an increased risk of colorectal cancer (CRC). The NCCN Panel for Genetic/Familial High-Risk Assessment: Colorectal meets at least annually to assess comments from reviewers within their institutions, examine relevant data, and reevaluate and update their recommendations. These NCCN Guidelines Insights focus on genes newly associated with CRC risk on multigene panels, the associated evidence, and currently recommended management strategies.