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Ann Neurol. 1986 Jul;20(1):89-91.

Chronic demyelinating peripheral neuropathy in cerebrotendinous xanthomatosis.


Three siblings with chemically proved cerebrotendinous xanthomatosis presented with typical neurological manifestations of dementia and spinocerebellar disorder. Electrodiagnostic tests revealed demyelinating neuropathy in all three. Sural nerve biopsies showed loss of myelinated large fibers, marked Schwann cell proliferation, and onion bulb formation. Teased-fiber preparations confirmed the occurrence of segmental demyelination and remyelination. We suggest that demyelinating neuropathy is part of the neurological spectrum of cerebrotendinous xanthomatosis and should be considered in the differential diagnosis of a recessively inherited motor and sensory neuropathy.

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