脱髓鞘病灶分布以双侧侧脑室旁额顶枕叶白质为主，呈圆形或椭圆形，边界清晰。

Demyelinating lesions showed round or oval shape were mainly in bilateral periventricular white matter, and frontal, parietal, occipital white matter.

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图1：轴位的平扫ct显示对称性的低密度影在颞枕叶脑白质区，需要注意的是病变累及胼胝体的压部。

Figure 1: Axial non contrast CT demonstrates symmetric low attenuation in the temporal-parietal white matter. Note involvement of the splenium of the corpus callosum (red arrows).

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