Atypical and Malignant Meningiomas: Evaluation of Different Radiological Criteria Based on CT and MRI

Overview

Journal Acta Neurochir Suppl

Specialty Neurosurgery

Date 1996 Jan 1

PMID 8738499

Citations 12

Authors

R Verheggen

M Finkenstaedt

V Bockermann

E Markakis

Affiliations

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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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