3D DIR is increasingly used in neuroradiology. Compared with STIR FLAIR, 3D DIR improves detection of optic neuritis. Multiplanar analysis had the best diagnostic performance for optic nerve signal abnormalities. Sensitivity was 95% and specificity 94%. Findings support the use of 3D DIR instead of 2D sequences.
BACKGROUND AND PURPOSE: Therapeutic strategies for patients with MS partly rely on contrast-enhanced MR imaging. Our aim was to assess the diagnostic performance of 3D turbo spin-echo MR imaging with variable refocusing flip angles at 3T for the detection of enhanced inflammatory lesions in patients with multiple sclerosis.
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