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Reverse Lhermitte's phenomenon provoked by cervical cord compression
Jiann-Jy Chen1, Kuo-Luon Kung, Chi-Jen Chen
1Department of Medical Imaging, Taipei Medical University & Shuang Ho Hospital, New Taipei, Taiwan.
Acta Neurologica Taiwanica
|August 11, 2012
Summary
Reverse Lhermitte's phenomenon (LP), an electric-shock sensation from neck extension, is rare. This case suggests extrinsic cervical cord compression, recommending a neck collar for immobilization.
Area of Science:
- Neurology
- Spinal Cord Disorders
Background:
- Lhermitte's phenomenon (LP) involves electric-shock sensations down the spine upon neck flexion.
- Reverse Lhermitte's phenomenon (RLP) is a rare variant triggered by neck extension.
Observation:
- A 74-year-old woman presented with RLP, characterized by electric-shock pain radiating to the shoulder upon neck extension.
- Imaging revealed cervical spondylosis and spondylolisthesis without spinal stenosis.
Findings:
- RLP in this case was attributed to extrinsic compression of the cervical cord.
- Neck collar immobilization effectively managed the symptoms, preventing recurrence.
Implications:
- This case highlights the importance of considering extrinsic compression in RLP.
- Neck immobilization is a recommended initial treatment for RLP, distinct from management of typical LP.
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