| Phenotype details |
see paper; ..., 4m-onset heterotopic ossification; characteristic malformations right great toe (hallux valgus, malformed 1st metatarsal, and/or monophalangism) ; progressive heterotopic ossification in characteristic anatomic patterns; cervical spine malformations (intra-articular ankylosis facet joints, early degenerative changes cervical spine); proximal medial tibial osteochondromas; short broad femoral necks; thumb malformations (short 1st metacarpal, +/- monophalangism); severe variable reduction deficits of left digits ; absent finger/toe nails in left digits with severe reduction deficits; hypospadias; |