A rare neurologic disease with characteristics of axonal sensorimotor neuropathy, progressive optic atrophy, cognitive deficit, bulbar dysfunction, seizures, early hypotonia and feeding difficulties. Additional possible features include dystonia, scoliosis, joint contractures, ocular anomalies and urogenital anomalies. Brain MRI reveals variable degrees of cerebral atrophy. The disease is fatal in childhood due to respiratory failure. [from
SNOMEDCT_US]