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Intradural-extramedullary spinal cavernous angioma--case report.

K Mori1, H Ishii, Y Tomita

  • 1Department of Neurosurgery, Juntendo University Izunagaoka Hospital, Shizuoka.

Neurologia Medico-Chirurgica
|September 1, 1991
PubMed
Summary

A rare intradural-extramedullary spinal cavernous angioma caused recurrent subarachnoid hemorrhage (SAH) in a 65-year-old male. This spinal cord tumor was successfully removed with microsurgery.

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Area of Science:

  • Neurology
  • Neurosurgery
  • Vascular Neurology

Background:

  • Spinal cavernous angiomas are rare vascular malformations.
  • Intradural-extramedullary location is exceptionally uncommon.
  • Recurrent subarachnoid hemorrhage (SAH) can be a presenting symptom.

Observation:

  • A 65-year-old male presented with recurrent episodes of SAH.
  • Magnetic resonance imaging revealed an intradural-extramedullary tumor at the T1 level.
  • The lesion showed no gadolinium enhancement and adhered to the spinal cord surface.

Findings:

  • The tumor was successfully excised using microsurgery.
  • Previous similar cases also reported recurrent SAH and adherence to neural structures.
  • Histopathological analysis confirmed a cavernous angioma.

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Implications:

  • Intradural-extramedullary spinal cavernous angiomas, though rare, should be considered in the differential diagnosis of spinal vascular lesions presenting with SAH.
  • Early surgical intervention may be crucial for preventing further neurological damage.
  • Understanding the origin from the spinal cord or nerve root surface is key for surgical planning.