PMC7712031_01
Magnetic resonance images. (a-a/b-a) DWI of the corpus callosum. The signal is limited, showing a "boomerang sign" on day 9; (b-b) DWI showing high signal shadows in the lateral ventricle on day 9; (c-a) DWI showing limited signal in the bilateral semioval center on day 9; (d-a/e-a) DWI showing that the high signal in the corpus callosum has basically disappeared. (f-a) The bilateral semi-oval center lesions are significantly reduced. (g-a/h-a/i-a) The region of interest (ROI) in the splenium of the corpus callosum. (g-b) The genu of the corpus callosum as a control.
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The genu of the corpus callosum also showed relatively high signal intensity on DWI (Figure 1a and b). Bilateral periventricular white matter lesions and centrum semiovale showed high signal intensity on DWI and FLAIR (Figure 1c). On day 16, DWI showed a complete resolution of lesions in the centrum semiovale, and lesion in the splenium had decreased in size and signal intensity (Figure 1d-f). The mean ADC value of the genu increased from 0.694 x 10-3 to 0.861 x 10-3 mm2/s (Figure 1g and h).