variant interpretation
The process of determining clinical significance and therapeutic relevance of genetic alterations identified through molecular testing.
Full Definition
Variant interpretation is the systematic evaluation of genetic alterations to assess their clinical significance, pathogenicity, and therapeutic implications in cancer care. This process involves analyzing multiple factors including variant frequency in databases, functional impact predictions, literature evidence, and clinical guidelines. Interpretation classifies variants into categories such as pathogenic, likely pathogenic, variant of unknown significance, likely benign, or benign. In oncology, this also includes assessment of therapeutic actionability and resistance implications. Expert interpretation requires integration of molecular data with clinical context, requiring specialized knowledge of cancer biology, pharmacogenomics, and evolving therapeutic landscapes.
Usage
Usage note: Distinguish from automated variant calling or annotation processes
In Context
- "Variant interpretation required review of multiple databases and recent literature citations." — Molecular pathology workflow
- "Standardized variant interpretation guidelines improve consistency across laboratories." — Quality assurance protocol