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Aetiology

Authoring team

Exact cause of trigeminal neuralgia remains unclear (1)

  • most cases are considered idiopathic (1)
  • many are associated with demyelination of the trigeminal nerve. This can be due to
    • vascular compression of the nerve root by aberrant or tortuous vessels
    • multiple sclerosis or tumours affecting the nerve root. (1)

Several other causes have been described as well in which demyelination may also be an underlying cause e.g. - amyloid infiltration, arteriovenous malformations, bony compression, and small infarcts in the pons and medulla (1).

Reference:

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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