| Phenotype details |
see paper; ..., birth severe reduction deformities all digits; 6y-lumps, usually painful, on occiput, stiff spine, stiff shoulders; 14y-both elbows and right hip ectopic ossification; 18y-left hip ectopic ossification; 20y-ossification jaw after dental extraction; 26y-complete spinal fixation, shoulders fixed in adduction, elbows fixed in flexion, hip movement restricted and fixed in slight flexion, jaw gape 0.3cm; mild cognitive impairment, diffuse scalp, 14y-onset hair thinning |