The page below is a sample from the LabCE course HER2 Testing in Breast Cancer. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Clinical Utility of HER2 Testing

HER2 is a useful tumor marker for therapeutic decision making for patients with breast cancer. There are several possible uses of HER2 testing in clinical decisions. Because HER2-positive breast cancers tend to be more aggressive, positivity is associated with worse prognosis. Her2-positive patients respond well to certain chemotherapies, such as Herceptin® (trastuzumab).