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Related Experiment Videos

Post-traumatic hemifacial spasm.

Hung-Chen Wang1, Cheng-Hsien Lu, Reng-Jye Lee

  • 1Department of Neurosurgery, Kaohsiung Medical Center, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, 123 Ta Pei Road, Niao Sung Hsiang, Kaohsiung Hsien, Taiwan.

Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia
|July 25, 2006
PubMed
Summary
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Early-onset hemifacial spasm occurred after head trauma in a young man. A pontine hematoma likely caused facial nerve nucleus hyperexcitability, leading to spasm.

Area of Science:

  • Neurology
  • Neuroscience
  • Trauma Research

Background:

  • Traumatic brain injuries can lead to complex neurological sequelae.
  • Hemifacial spasm typically presents later in life, with early-onset cases being rare.

Observation:

  • A 20-year-old male presented with drowsiness after a right frontotemporal injury.
  • He subsequently developed right-sided facial nerve paresis and hemifacial spasm.
  • Symptoms improved significantly following corticosteroid administration.

Findings:

  • Clinical presentation and response to treatment suggest a traumatic etiology for the hemifacial spasm.
  • Neuroradiology indicated a hematoma in the lower central pons.
  • This hematoma is proposed to have induced hyperexcitability of the facial nerve nucleus.

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Implications:

  • This case highlights a rare presentation of post-traumatic hemifacial spasm.
  • It underscores the potential for brainstem lesions to manifest as peripheral nerve dysfunction.
  • Understanding this mechanism may inform future management of similar traumatic neurological injuries.