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DOI: 10.1148/radiol.2382042214
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Nerve Atrophy in Severe Trigeminal Neuralgia: Noninvasive Confirmation at MR Imaging—Initial Experience1

Sami H. Erbay, MD, Rafeeque A. Bhadelia, MD, Mark O'Callaghan, MD, Punita Gupta, MD, MPH, Ron Riesenburger, MD, Warren Krackov, MD and Joseph F. Polak, MD, MPH

1 From the Departments of Radiology (S.H.E., R.A.B., M.O., P.G., W.K., J.F.P.) and Neurosurgery (R.R.), Tufts-New England Medical Center, 750 Washington St, Boston, MA 02467. Received December 30, 2004; revision requested March 3, 2005; revision received April 13; accepted May 9. Supported in part by grants NIH 5RO1AG021790-03 and RO1-HL-0690036-02. Address correspondence to S.H.E. (e-mail: serbay{at}tufts-nemc.org).


Figure 1
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  		Figure 1: Coronal reformatted image of the brain. CISS MR image (17/8.3) at the level of the ambient cistern reveals trigeminal nerve on right (left arrow) is smaller than trigeminal nerve on left (right arrow).

 

Figure 2
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  		Figure 2: Detail view of coronal reformatted image of the brain. CISS MR image (17/8.3) at the level of the ambient cistern shows the regions of interest used to measure the trigeminal nerve cross-sectional area. 1 = contralateral unaffected nerve, 2 = affected nerve.

 




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