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Clin Neuropathol. 2002 Mar-Apr;21(2):77-81.

Chorea-acanthocytosis: neuropathology of brain and peripheral nerve.

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1
Neuropathology Department, Victor Segalen University, Bordeaux II, France. anne.vital@neuropath.u-bordeaux2.fr

Abstract

We report the neuropathological data from a familial case of chorea-acanthocytosis with central and peripheral nervous system involvement. At the age of 34, the patient underwent a peripheral nerve biopsy which was analyzed by light- and electron microscopy. These studies showed a selective reduction in the large diameter myelinated fibre population, with several clusters of regeneration. Remyelinating fibers surrounded by flattened Schwann cell processes were also present. The patient died at the age of 44, and post-mortem macroscopic examination of the brain showed marked atrophy of the caudate. Histological examination of paraffin sections showed almost complete depletion of neurons in the caudate, with severe astrocytic gliosis. The putamen and pallidum were slightly less severely depleted of neurons, but with marked astrocytic gliosis. Diffuse mild gliosis was also evidenced, by immunohistochemistry with anti-GFAP, in the thalamus and subcortical white matter.

PMID:
12005256
[Indexed for MEDLINE]
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