| Phenotype details |
see paper; ..., 26y-onset heterotopic ossification; progressive heterotopic ossification in characteristic anatomic patterns; cervical spine malformations (intra-articular ankylosis facet joints, early degenerative changes cervical spine); distal femoral osteochondroma; short broad femoral necks; thumb malformations (short 1st metacarpal, +/- monophalangism); normal right great toe, minor changes in 1st left metatarsal; intra-articular synovial osteochondromatosis of hips, DJD hips; anatomic abnormalities of cerebellum; |