A 60 x 62 x 65 mm large infiltrated expansile solid cystic enhancing mass lesion with water restriction on DWI images involving the right cerebellar hemisphere, brachium pontis, cerebellar tonsil, and vermis causing pressure effect on the fourth ventricle and forward deviation of the brain stem
Bulging of the mass into the right CP angle
Superior extension of the cerebellar mass with bulging into the superior cerebellar cisterna
A few high signal foci in T2 and flair sequences at subcortical and periventricular white matter of both hemispheres depict microvascular ischemic events.
Underpneumatization of the right frontal sinus
Mild mucosal thickening at ethmoidal air cells and maxillary sinuses.