Her2 neu receptor is used in breast carcinoma for: (A) Diagnosis of cancer, (B) Screening of the breast carcinoma, (C) Detect recurrence, (D) Predicting response to treatment
Answer is D. HER2 positive breast cancer is diagnosed by the IHC or FISH test. A result of HER 2 positive is impoant, as it indicates that the cancer can be treated with Herceptin, in combination with other chemotherapy drugs.