What a test can show
Clinical sequencing interpreted with aortic, ocular, skeletal and family findings.
Monogenic conditions
FBN1Marfan syndrome and related conditions
Pathogenic FBN1 variants are associated with a spectrum of connective-tissue features.
RELATIONSHIP VALIDITYHigh: established causality
ACTIONABILITYHigh with integrated clinical assessment
SOURCE CHECKLinks and claim boundaries are editorially checked; external expert review is stated only with named disclosure
Practical meaning
A genetic result can refine surveillance but does not replace clinical criteria.
Where knowledge ends
Severity can vary substantially even within a family.
SOURCES AND VERSION
Verifiable, not ‘trust us’.
Updated: 14 August 2026. Any clinical interpretation requires the exact variant, testing method, family information and medical context.