Figure 2: (a) Magnetic resonance imaging of the brain T2 fluid-attenuated inversion recovery sequence showing hyperintense signal in periaqueductal grey matter (b) magnetic resonance imaging of the brain T2 fluid-attenuated inversion recovery sequence showing hyperintense signal in pons (c) magnetic resonance imaging of the brain T2 fluid-attenuated inversion recovery sequence showing hyperintensities in both cerebellar peduncles