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FIG 2. Patient 2 presented with nonfluent aphasia and left-sided hemiparesis and hemisensory loss.
A, Axial ADC map shows asymmetric areas of restricted diffusion in the centrum semiovale. Image distortion is due to orthodontia. Right-sided lesion is correlated with left-sided hemiparesis, whereas the left-sided white matter lesion was not accompanied by a motor deficit.
B, Axial FLAIR image obtained 8 weeks later shows large, confluent areas of presumed demyelination in the right centrum semiovale similar in size to the DW abnormality. Left cerebral white matter lesion that was clinically unapparent at presentation is smaller than the white matter lesion associated with neurologic deficit at presentation. Neurologic deficits had resolved.
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