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FIG 4. Patient 4 presented with nonfluent aphasia and alternating fluctuating hemiparesis and left facial droop.
A and B, Axial DW images show asymmetric regions of restricted diffusion in the anterior centrum semiovale that do not explain the motor neurologic deficits.
C, Follow-up MR image obtained 39 months later shows minimal scattered demyelination. The patient was neurologically intact.
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