HER2 testing by immunohistochemistry in breast cancer: A multicenter proficiency ring study

• Main Authors: Md Pauzi, S.H., Masir, N., Yahaya, A., Mohammed, F., Tizen Laim, N.M.S., Mustangin, M., Aizudin, A.N., Talib, A., Teoh, K.-H., Karim, N., Oy-Leng, J.W., Rajadurai, P.
• Format: Article
• Published: Wolters Kluwer Medknow Publications 2021
• Subjects: RC Internal medicine
• Online Access: http://eprints.um.edu.my/35637/

Background: Human epidermal growth factor receptor 2 (HER2) over-expression in breast cancer is associated with aggressive tumor behavior and predicts response to targeted therapy. Accurate HER2 result is paramount for optimal patient management. However, routine HER2 immunohistochemistry (IHC) test...