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Clinical features

Authoring team

Intramedullary lesions produce segmental features only. These develop gradually and include:

  • segmental pain
  • bilateral loss of pain and temperature sensation - distribution is governed by segments involved due to interruption of the decussating fibres to the lateral spinothalamic tract
  • lower motor neurone weakness - site determines muscle groups affected
  • upper motor neurone weakness below the level of the lesion - from corticospinal tract involvement
  • loss of proprioception - a late feature

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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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