Single Biggest Cancer Dictionary in the World

What is cascade testing?

Pronunciation: /kæˈskeɪd ˈtɛstɪŋ/

cascade testing

Definition

The process of extending genetic testing to individuals at risk within a family for inheriting a pathogenic variant previously identified in a biologic relative. This process is repeated as more pathogenic variant carriers are identified within the family. Cascade testing is sometimes referred to as cascade screening, although cascade testing is the preferred term. Also called cascade genetic testing.