• Lucia Cecconi
  • Alfredo Pompili
  • Fabrizio Caroli
  • Ettore Squillaci


Meningiomas (m.) are tumors of adulthood with a predilection for the female sex, especially the spinal ones. They are mesodermal tumors which originate from the outer sheet of the arachnoid. According to their staminal mesodermal cell, they may differentiate as fibroblastic, chondroblastic, etc. They vary in histologic type depending on the amount of fibroblasts (transitional and fibroblastic m.), of calcium deposits (psammomatous m.), and on the content of meningeal cells grouped in the syncytial structures, which are poor in connective fibers (syncytial or meningothelial m.). Less common types are the angioblastic, xanthomatous, papillary and atypical m. The latter tumor, with mitoses and cell atypias, behaves like a sarcoma and generally has local malignancy.


Optic Nerve Cavernous Sinus Venous Sinus Optic Canal Middle Meningeal Artery 


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Copyright information

© Springer-Verlag/Wien 1992

Authors and Affiliations

  • Lucia Cecconi
    • 1
  • Alfredo Pompili
    • 2
  • Fabrizio Caroli
    • 2
  • Ettore Squillaci
    • 3
  1. 1.Service of Radiology and Diagnostic ImagingUSA
  2. 2.Division of NeurosurgeryIstituto Regina ElenaRomeItaly
  3. 3.Institute of Radiology, Medical SchoolUniversità degli Studi di Roma ‘Tor Vergata’RomeItaly

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