Phenotype details |
see paper; ..., 9y-onset heterotopic ossification; characteristic malformations great toe (hallux valgus, malformed 1st metatarsal, and/or monophalangism); progressive heterotopic ossification in characteristic anatomic patterns; conductive hearing impairment; cervical spine malformations (intra-articular ankylosis facet joints, early degenerative changes cervical spine); proximal medial tibial osteochondromas; short broad femoral necks; cataracts; retinal detachment; childhood glaucoma; diffuse cerebral dysfunction, seizures; |