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Published online before print September 16, 2008, 10.1148/radiol.2492071826

(Radiology 2008;249:653.)

A more recent version of this article appeared on November 1, 2008
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© RSNA, 2008

Technical Developments

Diffusion-weighted MR Neurography of the Brachial Plexus: Feasibility Study1

Taro Takahara, MD, PhD, Jeroen Hendrikse, MD, PhD, Tomohiro Yamashita, MD, Willem P. T. M. Mali, MD, PhD, Thomas C. Kwee, MD, Yutaka Imai, MD, PhD, and Peter R. Luijten, MD, PhD

1 From the Department of Radiology, University Medical Center Utrecht, Heidelberglaan 100, PO Box 85500, 3508 GA Utrecht, the Netherlands (T.T., J.H., W.P.T.M.M., T.C.K., P.R.L.); and Department of Radiology, Tokai University School of Medicine, Isehara, Japan (T.Y., Y.I.). Received October 22, 2007; revision requested January 4, 2008; revision received April 11; accepted April 25; final version accepted May 15. Address correspondence to T.T. (e-mail: tarorin{at}rr.iij4u.or.jp).

The University Medical Center Utrecht institutional review board approved this study, and informed consent was obtained from all subjects. The purpose of this study was to introduce and assess diffusion-weighted (DW) magnetic resonance (MR) neurography for imaging of the brachial plexus. DW MR neurographic images were displayed with a maximum intensity projection technique. DW MR neurography was evaluated in five healthy volunteers and five patients. DW MR neurography showed a long trajectory of the brachial plexus in all healthy volunteers. In all patients, DW MR neurography clearly showed the location of the disease. The proposed DW MR neurography technique can be used to obtain an overview image of the brachial plexus, with excellent conspicuity of the nerves and surrounding structures.

Supplemental material: http://radiology.rsnajnls.org/cgi/content/full/2492071826/DC1

© RSNA, 2008