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MRI of spinal intradural arachnoid cyst formation following tuberculous meningitis

S Lolge1, A Chawla, J Shah

  • 1Department of Radiology, King Edward VII Memorial Hospital, Parel, Mumbai, India.

The British Journal of Radiology
|August 25, 2004
PubMed

Insights

Secondary spinal arachnoid cysts are rare, often linked to trauma or surgery. This study highlights two cases linked to tuberculous meningitis, emphasizing MRI

Area of Science:

  • Neurology
  • Radiology
  • Infectious Diseases

Background:

  • Secondary intradural spinal arachnoid cysts are rare, typically resulting from trauma, hemorrhage, surgery, or inflammation.
  • Tuberculous meningitis can lead to complications affecting the central nervous system.

Observation:

  • Two patients with treated tuberculous meningitis developed progressive quadriplegia and paraplegia.
  • Magnetic Resonance Imaging (MRI) revealed intradural arachnoid cysts in the cervical and thoracic spine, with associated myelomalacic changes.
  • The cysts were located ventrally and dorsally to the spinal cord.

Findings:

  • The cases presented unusual features: ventral location of spinal arachnoid cysts and their development secondary to tuberculous arachnoiditis.
  • MRI proved crucial for accurate diagnosis of these rare spinal cysts.

Implications:

  • This highlights an uncommon presentation of spinal arachnoid cysts secondary to tuberculous meningitis.
  • Accurate diagnosis via MRI is vital for managing these rare neurological complications.
  • Further understanding of spinal arachnoid cyst etiology and management is warranted.

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