Lhermitte's phenomenon (or symptom) is a rare form of neck pain with several variations.
Typical hermitte phenomenon involves an electric-shock with severe pain:
(1) extending from the neck down into the limbs.
(2) following cervical flexion.
Variation
Pain Direction
Neck Movement
typical Lhermitte
downward
flexion
reverse Lhermitte
extension
inverse Lhermitte
upward
post-traumatic Lhermitte
NA
where:
• Post-trauamtic Lhermitte phenomenon involves a spinal cord contusion secondary to neck trauma.
• The pain does not correspond to the distribution of any spinal dermatome.
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Specialty: Otolaryngology
ICD-10: ,
