The characteristic radiological finding is either rarefaction on CT image, or diffuse patchy, high signals around the periventricular area on T2-weighted MRI.

• 其大脑白质的变化，在电脑断层扫描上呈现强度减弱，而在MRI上，可见侧脑室旁有斑块状或弥漫状强度增高的现象。