PMC8769475_01
Magnetic resonance images at stroke onset. (A) T1-weighted image with contrast. (B) T2-weighted image. (C) Diffusion-weighted image. (D) Magnetic resonance angiography.
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F1
When she was 1-year old, she was infected with the varicella-zoster virus and subsequently had cerebral vasculitis, which resulted in the occlusion of the middle cerebral artery (Fig. 1). Background activities were relatively quiet due to general anesthesia; however, kinesthetic responses to passive movements of lower and UEs and jaw were observed from lateral to medial along the MER pass but no sensory responses were obtained (Supplementary Figure 1; Supplementary material is available online).
Postoperative volumetric T1-weighted images with dentatorubrothalamic tract on stereotactic planning software (A-D) and preoperative and postoperative magnetic resonance images (E-G). (A) Three-dimensional brain image. (B) Axial image. (C) Sagittal image. (D) Coronal Image. Red dotted lines: demarcation of the radiofrequency lesion. Blue lines: preoperatively planned trajectory. A preoperative fluid-attenuated inversion recovery image (E) showing an old infarction lesion in the left putamen. A postoperative fluid-attenuated inversion recovery image performed 1 week (F) and 3 months (G) after surgery. The perilesional edema subsided by the 3-month follow-up.
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F2
The lesion shown on the postoperative MRI images was considered to be located along the preoperative planning as expected, and the perilesional edema had been subsided by the 3-month follow-up (Fig. 2).