Neurophysiology of Vasculitic Peripheral Neuropathy Katsumi Kurokawa 1 , Masahiro Sonoo 2 1Department of Neurology, Kawasaki Medical School, Department of Neurology 2Teikyo University School of Medicine Keyword: 血管炎性ニューロパチー , 神経伝導検査 , ワーラー変性 , 伝導ブロック , 偽伝導ブロック , vasculitic neuropathy , nerve conduction study , Wallerian degeneration , conduction block , pseudo conduction block pp.213-221
Published Date 2016/3/1
DOI https://doi.org/10.11477/mf.1416200380
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Nerve conduction studies (NCSs) are essential to the work up of peripheral neuropathy. NCSs are useful in vasculitic neuropathy because they can serve as a guide in the nerve biopsy, as well as detect asymptomatic vasculitic neuropathy. NCSs characteristically show axonal loss of motor and sensory fibers with asymmetric or non-length-dependent patterns. Occasionally, conduction block (CB) or pseudo CB are observed. Pseudo CB is appears in the acute phase before Wallerian degeneration has developed distal to the infarcted nerve, and then disappears within two weeks.

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