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01-10-2007 | Neuro

Imaging of cerebellopontine angle lesions: an update. Part 1: enhancing extra-axial lesions

Authors: Fabrice Bonneville, Julien Savatovsky, Jacques Chiras

Published in: European Radiology | Issue 10/2007

Abstract

Computed tomography (CT) and magnetic resonance (MR) imaging reliably demonstrate typical features of vestibular schwannomas or meningiomas in the vast majority of mass lesions in the cerebellopontine angle (CPA). However, a large variety of unusual lesions can also be encountered in the CPA. Covering the entire spectrum of lesions potentially found in the CPA, these articles explain the pertinent neuroimaging features that radiologists need to know to make clinically relevant diagnoses in these cases, including data from diffusion and perfusion-weighted imaging or MR spectroscopy, when available. A diagnostic algorithm based on the lesion’s site of origin, shape and margins, density, signal intensity and contrast material uptake is also proposed. Part 1 describes the different enhancing extra-axial CPA masses primarily arising from the cerebellopontine cistern and its contents, including vestibular and non-vestibular schwannomas, meningioma, metastasis, aneurysm, tuberculosis and other miscellaneous meningeal lesions.

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Title: Imaging of cerebellopontine angle lesions: an update. Part 1: enhancing extra-axial lesions
Authors: Fabrice Bonneville
Julien Savatovsky
Jacques Chiras
Publication date: 01-10-2007
Publisher: Springer-Verlag
Published in: European Radiology / Issue 10/2007
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-007-0679-x

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Imaging of cerebellopontine angle lesions: an update. Part 1: enhancing extra-axial lesions

Abstract

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