Fig. 17.
Immune mediated toxic encephalopathy in a 69-year-old woman with lung cancer on Pembrolizumab therapy. A to D. Axial FLAIR images of MRI of the brain demonstrate subcortical and periventricular hyperintensities. Also seen are hyperintense areas in the cerebellum (white arrow), pons (dashed white arrow), and thalamus (black arrows).