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Related Experiment Videos

Cavernous malformations of the brain stem.

R S Zimmerman1, R F Spetzler, K S Lee

  • 1Division of Neurological Surgery, Barrow Neurological Institute, Phoenix, Arizona.

Journal of Neurosurgery
|July 1, 1991
PubMed
Summary
This summary is machine-generated.

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Surgical removal of symptomatic brain stem cavernous malformations offers a cure. This treatment is recommended for superficial lesions in patients with neurological deficits, leading to improved or stable outcomes.

Area of Science:

  • Neurosurgery
  • Neurology
  • Vascular Malformations

Background:

  • Brain stem cavernous malformations (BSCMs) can cause progressive, potentially fatal neurological deficits due to recurrent hemorrhages.
  • Symptomatic BSCMs present challenges in management, necessitating evaluation for surgical or conservative treatment.

Observation:

  • Twenty-four patients with symptomatic BSCMs and neurological deficits were assessed for surgical or conservative management.
  • Surgical decisions were guided by lesion proximity to the pial surface, patient neurological status, and hemorrhage frequency.
  • Associated venous malformations required specific surgical considerations to avoid complications.

Findings:

  • Sixteen patients underwent surgical excision of BSCMs; most experienced improved or stable neurological outcomes post-surgery.

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  • One patient required reoperation for regrowth, achieving stability after a second surgery.
  • One surgical patient died from shunt infection and sepsis; one conservatively managed patient died from hemorrhage.

    • Implications:

    • Surgical extirpation is the preferred treatment for symptomatic, superficial BSCMs when eloquent tissue can be preserved.
    • Complete excision of BSCMs appears to offer a permanent cure.
    • Conservative management carries risks, including hemorrhage and death, particularly in certain cases.