Creutzfeldt-Jakob Disease - Magnetic resonance imaging (MRI) revealed hyperintensity of the cortical gyri of the frontal and occipital lobes, called cortical ribboning (Panel A, arrow), and within the caudate heads on both sides (Panel B, arrows) on diffusion-weighted imaging. #Clinical #Neuro #Radiology #MRI #CreutzfeldJakob #NEJM #Prion