the radiological appearances of 22 histologically proven epidermoid and dermoid tumours occurring in four sites are presented - ( 1 ) the petrous apex and cerebellopontine angle , ( 2 ) the suprasellar region , ( 3 ) the cerebral hemispheres and ( 4 ) the cerebellum and 4th ventricle .
C0228174
cerebral hemispheres
C0149556
4th ventricle