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Tentorial meningiomas

R C Rostomily1, J M Eskridge, H R Winn

  • 1University of Washington School of Medicine, Seattle.

Neurosurgery Clinics of North America
|April 1, 1994
PubMed
Summary
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Tentorial meningiomas require individualized surgical management due to complex neurovascular anatomy. Complete resection is the goal, with advanced imaging and surgical approaches aiding outcomes, and adjuvant therapies for residual disease.

Area of Science:

  • Neurosurgery
  • Neuro-oncology

Background:

  • Tentorial meningiomas are rare tumors arising from the tentorium cerebelli.
  • Their location presents surgical challenges due to proximity to critical neurovascular structures.

Purpose of the Study:

  • To highlight the importance of individualized preoperative assessment and surgical strategies for tentorial meningiomas.
  • To discuss the goals of surgical resection and the role of adjuvant therapies.

Main Methods:

  • Comprehensive preoperative evaluation using CT, MR imaging, and angiography with embolization.
  • Surgical approaches tailored to lesion location, dural origin, and neurovascular involvement.
  • Consideration of extended infratentorial and supratentorial exposures for extensive lesions.

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Main Results:

  • Complete tumor resection with limited morbidity and mortality is the primary surgical objective.
  • Advanced imaging and tailored surgical techniques facilitate resection, even in complex cases.
  • Adjuvant therapies like radiotherapy can stabilize residual disease or delay recurrence.

Conclusions:

  • Individualized preoperative assessment and surgical planning are crucial for managing tentorial meningiomas.
  • Extended surgical approaches can achieve complete resection in challenging cases.
  • Radiotherapy and investigational chemotherapy offer options for residual or recurrent disease.