Qiao's Pathology (Art and Science in Medicine)
Qiao's Pathology: Molecular Subtype of Breast Carcinoma: Luminal A
Microscopic photo showing an intermediate grade invasive breast carcinoma. The tumor cells are positive for ER (estrogen receptor)(see insert), and negative for PR (progesterone receptor)(see inserts). HER2/neu is not overexpressed, and Ki-67 (proliferation rate) is low to intermediate. This subtype (ER+/HER2-) accounts for 70% of all diagnosed breast cancer. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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Qiao's Pathology: Molecular Subtype of Breast Carcinoma: Luminal A
Microscopic photo showing an intermediate grade invasive breast carcinoma. The tumor cells are positive for ER (estrogen receptor)(see insert), and negative for PR (progesterone receptor)(see inserts). HER2/neu is not overexpressed, and Ki-67 (proliferation rate) is low to intermediate. This subtype (ER+/HER2-) accounts for 70% of all diagnosed breast cancer. Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.
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