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Intracranial meningioma.

S L Howng1, A L Kwan

  • 1Department of Surgery, Kaohsiung Medical College, Taiwan, Republic of China.

Gaoxiong Yi Xue Ke Xue Za Zhi = the Kaohsiung Journal of Medical Sciences
|June 1, 1992
PubMed
Summary
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This study on intracranial meningioma found that total tumor resection significantly reduces recurrence rates compared to subtotal resection, with or without radiation therapy. Early detection and complete surgical removal are key for better patient outcomes.

Area of Science:

  • Neurosurgery
  • Oncology
  • Radiology

Background:

  • Intracranial meningiomas are common primary tumors of the central nervous system.
  • Understanding their demographics, presentation, and surgical outcomes is crucial for effective management.

Purpose of the Study:

  • To retrospectively analyze clinical and pathological features of intracranial meningioma.
  • To evaluate the impact of surgical resection extent and adjuvant radiation on tumor recurrence.

Main Methods:

  • Retrospective analysis of 83 patients with intracranial meningioma.
  • Data collected included age, sex, tumor location, presentation, histological type, and surgical outcome.
  • Computed tomography (CT) scans were used to assess tumor characteristics and perifocal edema.

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Main Results:

  • The study included 83 patients (66% female), with peak incidence between 40-49 years.
  • Common locations included convexity (42.2%) and parasagittal (15.7%). Hyperostosis was noted in 42%.
  • Total resection had an 11.3% recurrence rate, while subtotal resection showed 42.9% (no radiation) and 66.7% (with radiation) recurrence rates.

Conclusions:

  • Complete surgical resection is associated with significantly lower recurrence rates for intracranial meningioma.
  • The extent of resection is a more critical factor than adjuvant radiation in preventing recurrence.
  • Perifocal brain edema on CT correlates with symptoms like seizures, independent of histological type.