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MR Imaging of Peripheral Intracranial Neoplasms: Extraaxial vs Intraaxial Masses

MR Imaging of Peripheral Intracranial Neoplasms: Extraaxial vs Intraaxial Masses In an effort to determine magnetic resonance (MR) features of peripheral brain tumors that allow accurate localization, 11 extraaxial neoplasms were compared with 11 peripheral intraaxial tumors. The MR findings most often seen in extraaxial lesions include interruption of bone, white matter buckling, widening of adjacent subarachnoid space or cistern, and medial displacement of pial arteries or veins. Invasion of the cortex without white matter buckling, as well as flattening and lateral displacement of the surface veins, was most often seen in intraaxial lesions. Neither simple contiguity to a bony or dural surface nor vasogenic edema is a reliable predictor of intra- vs extraaxial masses. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Computer Assisted Tomography Wolters Kluwer Health

MR Imaging of Peripheral Intracranial Neoplasms: Extraaxial vs Intraaxial Masses

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ISSN
0363-8715
eISSN
1532-3145

Abstract

In an effort to determine magnetic resonance (MR) features of peripheral brain tumors that allow accurate localization, 11 extraaxial neoplasms were compared with 11 peripheral intraaxial tumors. The MR findings most often seen in extraaxial lesions include interruption of bone, white matter buckling, widening of adjacent subarachnoid space or cistern, and medial displacement of pial arteries or veins. Invasion of the cortex without white matter buckling, as well as flattening and lateral displacement of the surface veins, was most often seen in intraaxial lesions. Neither simple contiguity to a bony or dural surface nor vasogenic edema is a reliable predictor of intra- vs extraaxial masses.

Journal

Journal of Computer Assisted TomographyWolters Kluwer Health

Published: Nov 1, 1987

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