MRI images of the brain at the age of 20 years. (a) Horizontal T2 weighted section showing mild enlargement of the right optic nerve (white arrow) (b) Horizontal T2-weighted image showing a small hyper-intense spot in the right globus pallidus (arrow). Note also hydrocephalus. (c-d) Horizontal and coronal T1 weighted images showing the large partly cystic contrast enhancing schwannoma in the right cerebello-pontine angle. The tumoural mass causes deviation of the brain stem and the cerebellum to the left. (arrow) Note also supratentorial hydrocephalus and an interhemispheric lipoma (arrowhead).
Denayer et al. BMC Medical Genetics 2009 10:97 doi:10.1186/1471-2350-10-97