The reliability of computer tomography for the diagnosis and differential diagnosis of meningiomas, gliomas, and brain metastases

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Abstract
The CT characteristics were studied in a series of 90 tumours, and the diagnostic criteria were determined for meningiomas glioblastomas, other gliomas and metastases. These criteria were then employed in another group of 46 tumours in which the histological diagnosis was not known at the time of examination. The over-all diagnostic accuracy was 85%, and it was largely the same for the various sub-groups. Careful combination of the CT characteristics, perfect techniques, and increased experience may further improve the diagnostic accuracy.