MRI of intracranial meningiomas: correlations with histology and physical consistency

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Abstract
Magnetic resonance imaging (MRI) appearances of 43 intracranial meningiomas were reviewed and correlated with their histology and consistency at surgery and on pathological examination. There was a statistically significant prevalence of hard tumours within the fibroblastic subtypes. No statistically significant correlation between signal intensity and histology or consistency was found. A meningioma hyperintense on T2-weighted images, is, however, unlikely to be fibroblastic or hard.