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ER-positive is one of the Receptor statuses identified in the classification of breast cancer.Receptor status was traditionally considered by reviewing each individual receptor (ER, PR, her2) in turn, but newer approaches look at these together, along with the tumor grade, to categorize breast cancer into several conceptual molecular classes [1] that have different prognoses [2] and may have ...
In combination with palbociclib and fulvestrant for the treatment of adults with endocrine-resistant, PIK3CA-mutated, hormone receptor (HR)-positive, human epidermal growth-factor receptor 2 (HER2)-negative, locally advanced or metastatic breast cancer, as detected by an FDA-approved test, following recurrence on or after completing adjuvant ...
Moreover, breast cancer risk is heightened following use of the combined oral contraceptive pill and combined hormone replacement therapy. [4] Armed with this evidence that endogenous and exogenous changes in estrogen and progesterone levels modulate the risk of breast cancer, it is apparent that hormones can play a key role in breast cancer.
Staging breast cancer is the initial step to help physicians determine the most appropriate course of treatment. As of 2016, guidelines incorporated biologic factors, such as tumor grade, cellular proliferation rate, estrogen and progesterone receptor expression, human epidermal growth factor 2 (HER2) expression, and gene expression profiling into the staging system.
The anti-ER (SP1) antibody's response is a useful indication of the progression, management, and prediction of therapy outcome of breast cancer. These antibodies are commercially available from three commonly used auto strain vendors: Dako, Leica, and Ventana. In a study by Kornaga et al., all behaved similarly in the semi-quantitative analysis ...
SERDs are used in the treatment of estrogen receptor-positive breast cancer, particularly in cases where tumors have developed resistance to other forms of endocrine therapy, such as selective estrogen receptor modulators (SERMs) or aromatase inhibitors.
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