On MR imaging, four patterns of white matter lesions have been reported: straight or curvilinear bands, wedge-shaped lesions, nonspecific tumefactive or conglomerate foci, and cerebellar radial bands.

• 在MR上，白质病变具有4种模式：直或者弯的条带影，楔形病变，四块状或者簇状的非特异性病变，大脑的放射状条带影。