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Eur Neurol. 1982;21(2):69-76.

Xeroderma pigmentosum: neurological, neurophysiological and morphological studies.


In 3 cases of xeroderma pigmentosum showing signs of peripheral neuropathy, electrophysiological studies were made. In one of them, a sural nerve biopsy was performed. MCV obtained from the lower limbs were moderately reduced in all cases, and SCV could be obtained in only 1 case from the median nerve. Auditory brain stem responses were not obtainable in all cases. Sural nerve biopsy revealed a marked decrease of myelinated fibers and also suggested severe damage in both myelinated and unmyelinated fibers. Teased fiber study showed myelin ovoids and indicated axonal degeneration. Sensory nerves including the acoustic nerve may suffer damage earlier than the motor nerve. In all cases CT scans revealed brain atrophy and thickening of the skull.

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