Fig. 12

Ataxia telangiectasia. A 31-year-old woman with a diagnosis of ataxia telangiectasia by the age of 7, investigated for dizziness and headache. a Sagittal T2-weighted image demonstrates severe atrophy of the cerebellar vermis. b GE T2*-weighted image reveals multiple hypointense foci located in both hemispheres. c SWI minIP: additional hypointense black spots can be identified, corresponding to haemosiderin deposits presumably due to gliovascular nodules with perivascular haemorrhage