Fig. 12From: Role of magnetic resonance imaging in characterization of central nervous system lesions in pediatric patients with leukemia and post-treatment complicationsMTX toxicity. Female patient, 15 years old, diagnosed with ALL at consolidation phase on methotrexate therapy. Axial MRI images of the brain at the level of fronto-parietal regions. The a T1WI, b FLAIR, c DWI, and d ADC map shows bilateral periventricular areas of diffusion restriction with no gross signal abnormalities seen at conventional T1WI or FLAIR imagesBack to article page