| Phenotype details |
cold induced sweating; global developmental delay, facial dysmorphism, spasticity and failure to thrive; triangular face, sparse, hypopigmented hair, prominent forehead, facial nevus simplex (flammeus) on the forehead, hirsutism, arched eyebrows, dysplastic ears, downturned corners of mouth, gum hypertrophy, narrow palate. Spasticity, contractures at elbow, camptodactyly and absent deep tendon reflexes; retinal pigmentary abnormalities and mottling |