How could the results of a genetic test change a patient’s recommended screenings?
For tests of genetic mutations of genes associated with known syndromes of cancer susceptibility, a test result could lead, for example, to a risk-reducing surgery of the breast, ovaries, or colon. Genetic test results can also lead to increased screening; examples of increased screening include magnetic resonance imaging (MRI) of the breast, blood tests for markers of prostate cancer, and colonoscopy tests beginning at an early age and performed more frequently, as well as other screening strategies. Recently, specific treatments have been shown to be more effective for patients with certain genetic mutations. Currently, there are no known specific medical interventions for cancer screening or prevention based on results of DTC testing for variants for cancer risk, as provided by a number of for-profit laboratories. Q: What should patients know about genetic testing? What should they look for if considering a DTC genetic test? A: Consumers should not confuse genetic testing for mutati
