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  • Title: Cerebral oedema associated with WHO-I, WHO-II, and WHO-III-meningiomas: correlation of clinical, computed tomographic, operative and histological findings.
    Author: de Vries J, Wakhloo AK.
    Journal: Acta Neurochir (Wien); 1993; 125(1-4):34-40. PubMed ID: 8122553.
    Abstract:
    Meningiomas were studied in 60 patients retrospectively. Clinical, operative and histological findings were correlated with the occurrence and extension of peritumoural oedema as measured by computerized tomography. A relationship was found between both oedema and seizures and between oedema and tumour location. No relationship between tumour size, arachnoid breaching, WHO-grade or tumour vascularity and oedema was detected. In four patients with severe pre-operative oedema, cerebral signs and symptoms persisted despite uncomplicated tumour removal. The present study shows that peritumoural oedema is not only epileptogenic but that it can also cause irreversible cerebral damage as well. Since this study purports to demonstrate that meningiomas with intact leptomeninges can show severe peritumoural oedema, the blood barrier breakdown theory cannot be considered as the only aetiological factor.
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