| Phenotype details |
see paper; ..., 13y-onset heterotopic ossification, mild heterotopic ossification, exacerbation following trauma, intra-articular synovial osteochondromatosis hip, no radiographic anomalies cervical spine; progressive heterotopic ossification in characteristic anatomic patterns, no congenital malformation great toe, ; cervical spine malformations (intra-articular ankylosis facet joints, early degenerative changes cervical spine); mother mild orthotopic changes in C-spine, daughters do not; intra-articular synovial osteochondromatosis of hips, DJD hips; |