Criteria Fixed: Ghent

If the aorta is normal and the lenses are normal, the diagnosis is unlikely, even if the patient is very tall.

The Systemic Score acts as a tie-breaker. It assigns points to various features:

A total of are possible across various organ systems. A score of 7 or more is clinically significant. Wrist AND Thumb Sign Wrist OR Thumb Sign Pectus Carinatum (pigeon chest) Pectus Excavatum (sunken chest) or asymmetry Hindfoot Deformity (valgus) Dural Ectasia (widening of the dural sac) Protrusio Acetabuli (hip joint deformity) Pneumothorax (collapsed lung) Scoliosis or kyphosis Reduced Elbow Extension Facial Features (3 of 5 specific signs) Skin Striae (stretch marks) Myopia (>3 Diopters) Mitral Valve Prolapse Key Benefits of the Revision ghent criteria

The further simplified the process by prioritizing two "cardinal" features: aortic root aneurysm/dissection and ectopia lentis (dislocation of the eye lens). This revision also gave greater weight to genetic testing for mutations in the FBN1 gene. The 7 Rules of Diagnosis (Revised 2010)

Under the current Ghent Criteria, a diagnosis is primarily built around two "hard" signs: Aortic Root Aneurysm and Ectopia Lentis (dislocation of the lens). If the aorta is normal and the lenses

But what exactly are the Ghent Criteria? Is it a blood test? A scoring system? A checklist?

However, the Ghent Criteria remain the gold standard. They represent the intersection of clinical observation and molecular biology. By teaching clinicians to look past the height and focus on the heart, the Ghent Criteria have turned a once-mysterious connective tissue disorder into a manageable condition, proving that a good checklist can be as valuable as a scalpel in saving lives. A score of 7 or more is clinically significant

+ FBN1 Mutation (previously linked to aortic disease) = MFS The Systemic Scoring System

In short, the Ghent Criteria are the international "gold standard" for diagnosing Marfan syndrome (MFS). Because there is no single lab test that works for everyone (though genetic testing is crucial), doctors use these criteria to piece together the clinical puzzle.