Conduction block in vasculitic neuropathy |
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Authors: | A Mohamed L Davies JD Pollard |
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Affiliation: | Institute of Clinical Neurosciences, Royal Prince Alfred Hospital, Sydney, Australia. |
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Abstract: | Vasculitis involving peripheral nerves usually presents as an acute asymmetrical axonal neuropathy. We report a 67-year-old man with a symmetrical subacute neuropathy in which nerve conduction studies showed prominent conduction block, a finding indicative of demyelination. Sural nerve biopsy showed a vasculitic neuropathy with invasion of blood vessel walls by inflammatory cells and a mixture of nerve fiber loss and demyelination. The demyelination in this case was presumably a consequence of subinfarctive nerve ischemia. |
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