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A large lobulated mass arises from the cavernous sinus, with a larger component extending into the middle cranial fossa displacing the temporal lobe. The cavernous ICA is displaced laterally but not narrowed. It invaginates into the mass rather than true encasement. The mass is of intermediate to low T1 signal and vividly high T2 signal.
Unfortunately, no contrast was administered (unsure as to why - scan is from another institution).