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Case Reports
. 1996:65:66-9.
doi: 10.1007/978-3-7091-9450-8_19.

Atypical and malignant meningiomas: evaluation of different radiological criteria based on CT and MRI

R Verheggen  1 , M Finkenstaedt, V Bockermann, E Markakis
Affiliations
Case Reports

Atypical and malignant meningiomas: evaluation of different radiological criteria based on CT and MRI

R Verheggen et al. Acta Neurochir Suppl. 1996.

Abstract

The following are our results of a retrospective analysis of 214 patients, operated on meningiomas, in order to investigate radiological criteria of malignancy. Among these cases there were 31 patients with a histologically confirmed diagnosis of malignant subtypes. As uncertain signs of malignancy of ensuing radiological features are an irregular enhancement of contrast-media and the size of cerebral edema. Based upon CT and MR images we have developed a standardised, computerised evaluation method which enables us to study in detail the internal architecture of meningiomas.

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