Fig. 9From: Magnetic resonance imaging patterns of paediatric brain infections: a pictorial review based on the Western Australian experienceRestricted diffusion in corpus callosum (Pattern 3). 3-year-old child with gastrointestinal illness, followed by lethargy, irritability and suspected focal seizures. Stool was positive for norovirus. DWI (a) and ADC map (b) demonstrated a cytotoxic lesion midline within the splenium. Follow-up MRI 2Â weeks later demonstrated complete resolution of the splenial lesion on DWI (c) and ADC (d) imagesBack to article page