Reverse Lhermitte's phenomenon provoked by cervical cord compression

Jiann Jy Chen, Kuo Luon Kung, Chi Jen Chen, Yi-Shian Yeh, Dem Lion Chen, Yao Mao Tang

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Purpose: Lhermitte's phenomenon (LP) is a rare manifestation, which is defined when a sudden electric-shock sensation transmitted down the spine induced by neck flexion; however, the reverse LP is defined when symptoms are induced by neck extension, not flexion. Because reports of LP are limited in the Taiwan literature, we report this case. Case Report: A 74-year-old woman presented to our emergency department with sudden onset of right neck pain when extending the neck. The pain mimicked an electric shock and radiated to the left shoulder. Imaging showed spondylosis and spondylolisthesis without any spinal canal stenosis. A neck collar was recommended, and the strange phenomenon did not recur over the following year. However, long-term follow-up and aggressive workup are recommended to rule in or rule out the possibility of multiple sclerosis in the future. Conclusion: Although LP represents spinal demyelination disorders, reverse LP is induced by extrinsic compression of the cervical cord, and neck collar immobilization rather than intravenous or oral medication is recommended.

Original languageEnglish
Pages (from-to)35-38
Number of pages4
JournalActa Neurologica Taiwanica
Issue number1
Publication statusPublished - 2012


  • Multiple sclerosis
  • Neck collar immobilization
  • Reverse Lhermitte's phenomenon
  • Spondylolisthesis
  • Spondylosis

ASJC Scopus subject areas

  • Clinical Neurology
  • Neurology


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