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Giant axonal neuropathy: Correlation of clinical findings with postmortem neuropathology

We report the clinical and postmortem neuropathological findings in a case of long‐standing giant axonal neuropathy. The patient, a caucasian male with kinky hair, was first seen at 4 years of age because of increasing unsteadiness of gait. Clinical examination showed nystagmus, cerebellar ataxia, distal sensory loss, and weakness. A sural nerve biopsy at 8 years of age revealed giant axonal neuropathy. The patient became increasingly demented and was incapacitated by weakness and ataxia; he died at 18 years of age. Histological examination of the brain and spinal cord showed numerous Rosenthal fibers, a distal axonopathy that most severely affected the corticospinal tracts, middle cerebellar peduncles, and posterior columns, and olivocerebellar degeneration.