2106
Refers to individuals with increased length of upper torso and extremities.
Patients who are tall and thin with long hands have leptosomic features.
Associated wth Marfan’s Syndrome.
Leptosomal features can be familial, but also are associated with homocystinuria and multiple endocrine neoplasia type IIb.
50% of patients with leptosomic features have demonstrated to have undifferentiated connective tissue disease, which could affect the integrity of the aortic wall and predispose these patients to the formation of an aortic aneurysm and dissection.