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Medicine and Health Sciences Commons

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Medical Specialties

Department of Pathology and Laboratory Medicine

2009

Estrogen receptors

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Comparison Of Estrogen Receptors, Progesterone Receptors And Her-2/Neu Expression Between Primary And Metastatic Breast Carcinoma, Muhammad Azam, Asim Qureshi, Samina Mansoor Nov 2009

Comparison Of Estrogen Receptors, Progesterone Receptors And Her-2/Neu Expression Between Primary And Metastatic Breast Carcinoma, Muhammad Azam, Asim Qureshi, Samina Mansoor

Department of Pathology and Laboratory Medicine

OBJECTIVE: To determine whether receptor status and HER-2/neu status remains same in primary and metastatic breast carcinoma to corresponding lymph nodes of individual patients.

METHODS: Estrogen receptors, progesterone receptors and HER-2/neu immunohistochemical stains were performed on primary and metastatic breast carcinoma to axillary lymph nodes in 100 patients. Data was collected on a Performa and age, tumour size, type, grade and expression of ER, PR and HER-2/neu on primary and metastatic tumours were recorded.

RESULTS: Hormone receptor status was compared between primary and metastatic tumours. Estrogen receptor positivity was observed in 28% primary tumours which were reduced to 25% in …