Sử dụng gia sử sức khỏe phân tầng nguy cơ ung thư vú cho các gia đình bệnh nhân ung thư vú ở Việt Nam

Establish family health histories (FHH) with breast cancer in Viet Nam. Classify breast cancer risk according to CDC for first- and second-degree relatives in families of breast cancer patients in Vietnam. Methods: A cross-sectional descriptive study was conducted on 144 primary breast cancer patients from May to August 2023. FHH information was collected through direct interviews, telephone, or video. FHH characteristics were analyzed, and breast cancer risk was classified according to CDC guidelines. Results: Most FHH included 3-4 generations (89.5%) with an average of 17.11 ± 6.11 relatives. The proportion of patients with first-degree relatives with breast cancer (28.5%) was higher than second-degree relatives (8.4%). Mothers accounted for the highest proportion among affected first-degree relatives (48.6%). After patients developed breast cancer, 78.4% of families were classified as high-risk and 21.6% as moderate-risk according to CDC. Family degree and number of affected relatives were determinants of risk level (p < 0.001). Conclusions: FHH is a useful tool for comprehensively assessing breast cancer risk CDC and identify individuals needing appropriate counseling, screening, and monitoring.