What is MASS phenotype?

MASS Phenotype is a connective tissue disorder similar to Marfan syndrome. The acronym represents the conditions involved: Mitral valve prolapse, Aortic root diameter at upper limits of normal for body size, Skin stretch marks unrelated to weight gain, and Skeletal conditions.

How do members experience MASS phenotype?

*Reports may be affected by other conditions and/or medication side effects. We ask about general symptoms (anxious mood, depressed mood, fatigue, pain, and stress) regardless of condition.