If a patient has already been clinically diagnosed with FAP or AFAP, what specifically does a positive COLARIS AP® result indicate?
People with an APC mutation are at a greater risk of developing a new cancer, even extracolonic cancer following a prophylactic colectomy. Knowing a patient’s genetic status can help you take steps to reduce this risk or detect another potential cancer at an early, treatable stage. Also, a patient’s test results have significant meaning to the health of his or her family members, especially since FAP is characterized by juvenile onset. Additionally, sometimes patients who have been clinically diagnosed with FAP or AFAP may actually have mutations in their MYH genes, leading to a different condition, called MAP. If a patient has MAP rather than FAP/AFAP, the risks to family members are different. Thus, genetic testing can be important in distinguishing between MAP and FAP/AFAP in certain families.
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