What does HER2 (2+) in breast cancer mean?
Apr 24, 2023
Source: Cainiu Health
Dr. Yu Xiaopeng
Introduction
Breast cancer HER2 (2+) generally refers to an intermediate status between negative and positive, requiring further testing to clarify the cause, followed by appropriate treatment based on symptoms. In addition, the development of breast cancer may be related to endocrine disorders and family genetics. Regular prenatal checkups can help monitor the condition and enable early detection and timely treatment.
Breast cancer HER2 (2+) generally refers to a borderline result between negative and positive, which requires further testing to clarify the cause and determine appropriate treatment based on symptoms. The specific analysis is as follows:
HER2 status in breast cancer is determined by immunohistochemical testing and is categorized into types such as HER2-positive or triple-negative. When the result falls between negative and positive, it is inconclusive, and further testing via fluorescence in situ hybridization (FISH) can be performed. Once the underlying cause is confirmed, corresponding treatments can be initiated.
After undergoing fluorescence in situ hybridization testing, if gene amplification is detected, it may indicate HER2-positive status, suggesting a higher degree of tumor malignancy. In such cases, treatment under a doctor's guidance may include targeted therapy or surgical removal of the tumor. If no gene amplification is found, the result typically indicates HER2-negative status, which carries a lower risk of malignancy.
In addition, the development of breast cancer may be associated with hormonal imbalances and family genetic factors. Regular check-ups can help monitor health status and enable early detection and timely treatment.
