Pathology Today

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Pathology Today, May 14, 2014

Brief formalin fixation and rapid tissue processing do not affect the sensitivity of ER immunohistochemistry of breast core biopsies
American Journal of Clinical Pathology via Medscape
The decision to initiate treatment for patients with breast cancer is based on the results of tissue biomarker studies including estrogen receptor, progesterone receptor and human epidermal growth factor receptor 2. Breast core needle biopsy specimens are now the primary source for the performance of these tests, particularly if neoadjuvant therapy is being considered. Preanalytic variables may affect the accuracy of ER, PR, and HER2 results.

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