Musculoskeletal features
Both FMD2 patients had scoliosis and short stature (-2.2 SDS and -3.1 SDS). Both patients show camptodactyly of their fingers, flexion contractures (elbow with dislocation of the radial head) and carpal fusion. The older male patient has joint laxity. The younger female patient shows flared metaphyses, broad thumbs/fingers osteosclerosis, and partially fused with dysmorphic cervical vertebrae.