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FIG 2. Sagittal (A) 516/12/2 and axial (B) 686/11.6/2 precontrast T1-weighted images of the spine demonstrate diffuse increased signal intensity within the subarachnoid space. Sagittal precontrast T1-weighted (C) 550/12/2 image of the lumbar spine performed 2 weeks later shows resolution of the previously seen increased signal intensity and a normal signal within the CSF. A–C were filmed at the same values for window and level, and were performed on the same scanner
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