Document Detail


Imaging the ocular motor nerves.
MedLine Citation:
PMID:  20226610     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The ocular motor nerves (OMNs) comprise the oculomotor, trochlear and the abducens nerves. According to their course, they are divided into four or five anatomic segments: intra-axial, cisternal, cavernous and intra-orbital and, for the abducens nerve, an additional interdural segment. Magnetic resonance imaging is the imaging method of choice in the evaluation of the normal and pathologic ocular motor nerves. CT still plays a limited but important role in the evaluation of the intraosseous portions at the skull base and bony foramina. We describe for each segment of these cranial nerves, the normal anatomy, the most appropriate image sequences and planes, their imaging appearance and pathologic conditions. Magnetic resonance imaging with high magnetic fields is a developing and promising technique. We describe our initial experience with a Phillips 7.0T MRI scanner in the evaluation of the brainstem segments of the OMNs. As imaging becomes more refined, an understanding of the detailed anatomy is increasingly necessary, as the demand on radiology to diagnose smaller lesions also increases.
Authors:
Teresa Ferreira; Berit Verbist; Mark van Buchem; Thijs van Osch; Andrew Webb
Publication Detail:
Type:  Journal Article     Date:  2010-03-11
Journal Detail:
Title:  European journal of radiology     Volume:  74     ISSN:  1872-7727     ISO Abbreviation:  Eur J Radiol     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-05-10     Completed Date:  2010-08-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8106411     Medline TA:  Eur J Radiol     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  314-22     Citation Subset:  IM    
Copyright Information:
Copyright (c) 2010 Elsevier Ireland Ltd. All rights reserved.
Affiliation:
Department of Radiology, Leiden University Medical Center, The Netherlands. T.A.Ferreira@lumc.nl
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MeSH Terms
Descriptor/Qualifier:
Humans
Magnetic Resonance Imaging / trends*
Oculomotor Nerve / pathology*,  radiography*
Oculomotor Nerve Diseases / diagnosis*
Tomography, X-Ray Computed / trends*

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