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Related Experiment Videos

Delayed diffuse upper motor neuron syndrome after compressive thoracic myelopathy.

J E Riggs1, S S Schochet, J P Hogg

  • 1West Virginia University School of Medicine, Morgantown 26506-9180, USA.

Military Medicine
|September 25, 1999
PubMed
Summary
This summary is machine-generated.

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A spinal cord injury from a thoracic arachnoid cyst led to progressive upper motor neuron syndrome. This case highlights how focal injury can cause widespread neurological dysfunction.

Area of Science:

  • Neurology
  • Neurosurgery
  • Spinal Cord Injury Research

Background:

  • Spinal cord injuries can lead to significant neurological deficits.
  • Thoracic myelopathy, often caused by compression, requires prompt diagnosis and treatment.
  • Post-traumatic arachnoid cysts are a known, though less common, cause of spinal cord compression.

Observation:

  • A 54-year-old male presented with spastic paraparesis two weeks post-back injury.
  • The cause was identified as subacute compressive thoracic myelopathy due to a post-traumatic arachnoid cyst.
  • Following surgical decompression, a diffuse upper motor neuron syndrome emerged.

Findings:

  • The patient developed spastic quadriparesis, pseudobulbar paresis, and pseudobulbar affect 3-18 months post-surgery.

Related Experiment Videos

  • This suggests a progression beyond the initially compressed spinal cord segment.
  • Retrograde corticospinal tract degeneration is a known phenomenon after spinal cord injury.

    • Implications:

    • This case suggests focal upper motor neuron injury can lead to diffuse upper motor neuron dysfunction.
    • It underscores the potential for delayed and widespread neurological consequences after spinal cord injury.
    • Further research into the mechanisms of retrograde degeneration and diffuse dysfunction is warranted.