Fig. 9
From: MR imaging findings in some rare neurological complications of paediatric cancer
Radiation induced atypical teratoid/rhabdoid tumour. A 21-year-old man, who received radiation therapy for optic glioma during infancy, presented with headache, appetite loss and somnolence. a A T2-weighted image shows a lobulated, solid mass with internal low signal intensity, indicating a small haemorrhage in the middle cranial fossa to basal ganglia (arrows). b Diffusion weighted image shows hyperintensity in the tumour (arrows). c Apparent diffusion coefficient map shows restricted diffusion in the tumour (arrows)