piebald trait-neurologic defects syndrome
Piebald trait-neurologic defects syndrome is a rare, genetic, pigmentation anomaly of the skin syndrome characterized by ventral as well as dorsal leukoderma of the trunk and a congenital white forelock, in association with cerebellar ataxia, impaired motor coordination, intellectual disability of variable severity and progressive, mild to profound, uni- or bilateral sensorineural hearing loss. There have been no further descriptions in the literature since 1971.