Physician Knowledge Could Strengthen BRCA Cascade Testing in Turkiye

A research team has found that physicians in Turkiye are highly willing to request BRCA1/2 genetic testing for eligible patients, but the broader cascade-testing process often fails to reach relatives who may carry the same cancer-predisposing variants. Physician knowledge strongly influenced whether testing was ordered, screening was recommended, and relatives were referred. The findings could support the development of centralized, public-health-led services that connect genetic diagnosis with