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AJNR Am J Neuroradiol. 2012 Feb;33(2):203-10. doi: 10.3174/ajnr.A2465. Epub 2011 Apr 28.

Peripheral nerve surgery: the role of high-resolution MR neurography.

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  • 1Department of Radiology, Bridgeport Hospital, Yale New Haven Health System, Bridgeport, Connecticut, USA.


High-resolution MRN is becoming increasingly available due to recent technical advancements, including higher magnetic field strengths (eg, 3T), 3D image acquisition, evolution of novel fat-suppression methods, and improved coil design. This review describes the MRN techniques for obtaining high-quality images of the peripheral nerves and their small branches and imaging findings in normal as well as injured nerves with relevant intraoperative correlations. Various microsurgical techniques in peripheral nerves, such as neurolysis, nerve repairs by using nerve grafts, and conduits are discussed, and MRN findings of surgically treated nerves are demonstrated.

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