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Clinical Neuroradiology

, Volume 25, Supplement 2, pp 283–289 | Cite as

MR Neurography: Diagnostic Imaging in the PNS

  • J. KollmerEmail author
  • M. Bendszus
  • M. Pham
Review Article

Abstract

The diagnostic work-up of peripheral neuropathies is often challenging and is mainly based on a combination of clinical and electrophysiological examinations. One of the most important difficulties is the accurate determination of the lesion site (lesion localization), lesion extension, and spatial lesion dispersion, which all represent essential diagnostic information crucial for finding the correct diagnosis and hence an adequate therapeutic approach. A typical pitfall in the conventional diagnostic reasoning is the differentiation between a distal, complete cross-sectional nerve lesion and a more proximally located, fascicular nerve lesion. Magnetic resonance neurography (MRN) has been proven to be capable of improving the diagnostic accuracy by providing direct, noninvasive visualization of nerve injury with high structural resolution even reaching the anatomical level of single nerve fascicles (fascicular imaging) and at the same time with large anatomical coverage. It is also feasible to detect structural nerve damage earlier and with higher sensitivity than gold-standard nerve conduction studies. The purpose of this study is to review the literature for current developments and advances in MRN for the precise spatial detection of nerve lesions in focal and non-focal disorders of the peripheral nervous system.

Keywords

MR neurography Peripheral neuropathy Peripheral nerve imaging MRI Entrapment neuropathy Polyneuropathy 

Notes

Acknowledgments

J. Kollmer was supported by a Junior Research Grant from the Amyloidosis Foundation.

M. Pham received a project grant from the European Foundation for the Study of Diabetes (EFSD/JDRF/Novo Nordisk European Program in Type 1 diabetes research) and the memorial stipend from the Else-Kröner-Fresenius Foundation.

We thank Mr. John M. Hayes, University of Michigan (Ann Arbor, MI, USA) for language editing and proof reading of our manuscript.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.Department of NeuroradiologyUniversity of HeidelbergHeidelbergGermany

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