In cases in which Oncotype DX test is not available, how do you decide which patients with HR+ and Her2- breast cancer are candidates for adjuvant chemotherapy?
How would your management differ in pre- and post-menopausal females?
Answer from: Medical Oncologist at Academic Institution
If OncotypeDx is not available for an ER+ Her2- primary breast cancer:
In general, there are two main components to the 21 gene assay: proliferative thrust and estrogenic signaling. Thus tumors that have strong staining for ER tend to be driven by estrogenic signaling. This is especially true...