Large enhancing spherical mass at the right cerebellopontine angle, eroding the apex of the petrous bone, almost reaching the labyrinth.
The tumour significantly indents the right pons and cerebellar hemisphere and mildly deviates the fourth ventricle to the left.
No hydrocephalus.
The right middle ear cavity and mastoid air cells are clear.
A lipoma layers over the corpus callosum, which appears normal in size
Small mucous retention cysts in in the maxillary sinuses.