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  • Title: Peritumoral brain edema associated with meningioma--histological study of the tumor margin and surrounding brain.
    Author: Ide M, Jimbo M, Kubo O, Yamamoto M, Imanaga H.
    Journal: Neurol Med Chir (Tokyo); 1992 Feb; 32(2):65-71. PubMed ID: 1376862.
    Abstract:
    Thirty-nine cases of intracranial meningiomas were analyzed to identify factors causing brain edema. Edema was significantly correlated with tumor size and the destruction of the leptomeninges and cortex. Meningotheliomatous meningioma tended to have more peritumoral edema. There was no correlation between the presence of edema and location of the tumor or histological features including lymphocytic infiltration and the presence of glial fibrillary acidic protein-positive cells in the tumor tissue. Larger tumors destroy the leptomeninges and cerebral cortex, allowing direct transmission of humoral edema-promoting factor or edema fluid into the white matter, resulting in vasogenic edema.
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