Fig. 7From: MR imaging findings in some rare neurological complications of paediatric cancerMethotrexate neurotoxicity. (acute phase). A 14-year-old girl with acute lymphocytic leukaemia, who received intrathecal methotrexate, presented with left hemiplegia. a Diffusion-weighted image shows a small area of hyperintensity within the right centrum semiovale (arrow). b Apparent diffusion coefficient map shows restricted diffusion in this lesion (arrow)Back to article page