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Related Experiment Videos

Brain stem cavernoma excised by subtemporal-infratemporal approach.

S Sarma1, L N Sekhar

  • 1Mid-Atlantic Brain and Spine Institutes, Annandale, Virginia 22003, USA.

British Journal of Neurosurgery
|June 6, 2002
PubMed
Summary

The subtemporal-infratemporal approach successfully removed anterior brain stem cavernomas. This technique provides safe and complete excision for difficult-to-reach pontine and medullary lesions.

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Area of Science:

  • Neurosurgery
  • Neurology
  • Vascular Neurosurgery

Background:

  • Brain stem cavernomas require surgical removal, ideally via the pial surface.
  • Anteriorly located mid- to lower pontine and upper medullary cavernomas present significant surgical challenges due to accessibility issues with traditional methods.

Observation:

  • This case report details the complete excision of a mid- and lower pontine cavernoma with anterior surfacing.
  • The subtemporal-infratemporal approach was employed, involving a temporal craniotomy, zygomatic osteotomy, and mobilization of the petrous carotid artery.
  • Surgical access to the anterior pons was achieved by drilling petroclival bone, with the cavernoma excised between cranial nerves V and VI using microsurgical and endoscopic techniques.

Findings:

  • Complete excision of the anteriorly located pontine cavernoma was achieved.

Related Experiment Videos

  • Postoperatively, the patient experienced temporary abducens palsy and mild hemiparesis, which fully resolved within 3 months.
  • One-year follow-up MRI confirmed complete cavernoma removal without neurological deficit.

    • Implications:

    • The subtemporal-infratemporal approach is a viable and effective surgical strategy for anteriorly located mid- to lower pontine and upper medullary cavernomas.
    • This approach facilitates safe and complete resection of challenging brain stem lesions.
    • Minimally invasive techniques combined with advanced visualization aid in achieving excellent outcomes for complex neurosurgical cases.