Neuroimaging of Natalizumab Complications in Multiple Sclerosis: PML and Other Associated Entities

<div>Diffusion weighted images in a patient with large PML lesions demonstrate peripheral restricted diffusion where the lesion is active (arrows) and central facilitated diffusion where the lesion is more quiescent (dotted arrows).</div>

Multiple Sclerosis International

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Figure 6

Figure 6: Neuroimaging of Natalizumab Complications in Multiple Sclerosis: PML and Other Associated Entities 