The diagnosis of Ehlers-Danlos syndrome Is based on distinctive phenotypica
l characteristics such as hyperelastic skin and hypermobile joints. To date
, no congenital physical markers exist for Identifying patients with Ehlers
-Danlos syndrome. Absence of the Inferior labial (100% sensitivity; 99.4% s
pecificity) and lingual frenulum (71.4% sensitivity; 100% specificity) was
found to be associated with classical and hypermobility types of Ehlers-Dan
los syndrome.