| Phenotype details |
height SD -2.07, weight SD -1.23, OFC SD -2.05; motor delay; speech delay; mild intellectual disability; facial dysmorphism; sensorineural hearing loss, moderate-to-severe, bilateral; no endocrine anomalies; severe spasticity (asymmetric), lower extremity hyperreflexia, unsteady, wide based gait, hammertoes and high arches not present on exam at age 12 years but significant at age 15 years; MRI brain cerebellar atrophy; resting tremor and dysmetria, history of seizures and staring spells with normal EEG, Wolff-Parkinson-White syndrome, vision impairment |