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Restoration of a Conduction Block after the Long-term Treatment of CIDP with Anti-neurofascin 155 Antibodies: Follow-up of a Case over 23 Years.

Authors
  • Koike, Haruki1
  • Nishi, Ryoji1
  • Ikeda, Shohei1
  • Kawagashira, Yuichi1
  • Iijima, Masahiro1
  • Atsuta, Naoki1
  • Nakamura, Tomohiko1
  • Hirayama, Masaaki1
  • Ogata, Hidenori2
  • Yamasaki, Ryo2
  • Kira, Jun-Ichi2
  • Katsuno, Masahisa1
  • Sobue, Gen1, 3
  • 1 Department of Neurology, Nagoya University Graduate School of Medicine, Japan. , (Japan)
  • 2 Department of Neurology, Graduate School of Medical Sciences, Kyushu University, Japan. , (Japan)
  • 3 Research Division of Dementia and Neurodegenerative Disease, Nagoya University Graduate School of Medicine, Japan. , (Japan)
Type
Published Article
Journal
Internal medicine (Tokyo, Japan)
Publication Date
Feb 28, 2018
Identifiers
DOI: 10.2169/internalmedicine.0455-17
PMID: 29491293
Source
Medline
Keywords
License
Unknown

Abstract

We herein report a woman with chronic inflammatory demyelinating polyneuropathy (CIDP) in whom positivity for anti-neurofascin 155 antibodies was revealed 23 years after the onset of neuropathy. The patient initially reported numbness in the face at 50 years of age and subsequently manifested features compatible to typical CIDP. Steroid administration initiated at 54 years of age ameliorated her neuropathic symptoms. Although the nerve conduction indices at 59 years of age deteriorated, those at 68, 72, and 73 years of age showed a gradual recovery. The deterioration and subsequent restoration of compound muscle action potential amplitudes was the most dramatic, suggesting that a conduction block can be reversed earlier than other electrophysiological indices.

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