Hyperpigmented lesions in band, splatter, or whorl pattern following development of bullous-verrucous lesions on skin; associated with optic atrophy, epilepsy, spastic paralysis, deafness, mental retardation, stunted bone growth, dental abnormalities, and localized atrophic alopecia. Condition has X-linked inheritance and onset is at birth or in early infancy. Death usu. occurs at early age.