Figure 6.

MR images for the case 4. A. The T1W image shows there is an irregular large patchy area with hypointensit in the left frontal lobe including the areas of the white matter, gray-white matter junction, and gray mater. B. The T2W image shows there is an irregular large patchy area with hyperintensity in the left frontal lobe including the areas of the white matter, gray-white matter junction, and gray mater. C. The enhanced T1W image shows a few ring-enhanced lesion areas.