Fig. 1
From: Mepolizumab-Induced Posterior Reversible Encephalopathy Syndrome (PRES), a new patient report
CT without contrast, initial scan on presentation. This head CT revealed confluent areas of white matter hypoattenuation bilaterally, slightly worse on the left, involving the subcortical white matter. No significant mass effect midline shift, or hemorrhage. The differential was thought to include leukoencephalopathy, vasculitis, or infiltrating neoplasm such as lymphoma among other etiologies