Thoracic spondylotic amyotrophy (TSA)

Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .

Thoracic spondylotic amyotrophy (TSA). This is isolated lower motor neurone weakness caused by spinal cord compression. The lesion in the thoracic spine.

Pathology

  • This is isolated lower motor neurone weakness caused by spinal cord compression
  • The lesion in the thoracic spine
  • The symptoms are in the lower limbs

Pathogenesis

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Clinical features

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Magnetic resonance imaging (MRI) spine: features

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Other investigations

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Differential diagnosis

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Treatment

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References

  1. Kok CY, Chandrashekar H, Turner C, Manji H, Rossor AM. Can compressive thoracic cord lesions cause a pure lower motor neurone syndrome? Pract Neurol 2018; pii: practneurol-2018-002016 (Epub ahead of print).

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