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Cystic meningiomas.

A Fortuna1, L Ferrante, M Acqui

  • 1Universitá degli Studi di Roma La Sapienza, Dipartimento di Scienze Neurologische, Roma, Italy.

Acta Neurochirurgica
|January 1, 1988
PubMed
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Unusual intracranial meningiomas with cysts present diagnostic challenges. Complete surgical removal of both the tumor and cyst wall is crucial to prevent recurrence, though technically difficult in some cases.

Area of Science:

  • Neurosurgery
  • Neuropathology
  • Neuroradiology

Background:

  • Intracranial meningiomas are common primary brain tumors.
  • A subset of meningiomas can present with associated cysts, complicating diagnosis and treatment.
  • Understanding the formation and management of cystic meningiomas is essential for improved patient outcomes.

Purpose of the Study:

  • To analyze the complex mechanisms of cyst formation within intracranial meningiomas.
  • To evaluate the neuroradiological features aiding preoperative diagnosis.
  • To discuss surgical strategies for complete tumor and cyst wall resection.

Main Methods:

  • Review of 22 original cases of cystic intracranial meningioma.
  • Comprehensive literature review of 144 published cases.

Related Experiment Videos

  • Analysis of surgical and histopathological evidence.
  • Evaluation of Computed Tomography (CT) and Angiography findings.

    • Main Results:

    • Preoperative diagnosis of cystic meningioma is challenging.
    • CT scanning achieved correct diagnosis in only 38% of cases.
    • Angiography had a diagnostic accuracy of 13%.
    • Recurrence is linked to incomplete removal of the cyst wall.

    Conclusions:

    • Cystic intracranial meningiomas require thorough histopathological and surgical evaluation.
    • Complete resection of both the solid tumor and the cyst wall is necessary for preventing recurrence.
    • Surgical removal of the cyst wall can be technically demanding, particularly for intratumoral cysts.