Centred at the right sphenopalatine fossa, we see an avidly enhancing mass. The mass is predominantly isointense on T1WI with interspersed areas of streaky hyperintensity most notable laterally. On T2WI, the mass is heterogenous with corresponding hypointense streaks laterally. There is no associated restricted diffusion.
Again seen is anteromedial invasion into the nasal cavity and nasopharynx. The mass extends laterally into the masticator space and cephalad into the sphenoid sinus. There is mucosal thickening and mucous secretions within the paranasal sinuses related to mass obstruction. The mass invades the skull base through the ipsilateral superior orbital fissure, foramen rotundum and vidian's canal. There is extension of tumour into the right middle cranial fossa and cavernous sinus with partial encasement of the cavernous carotid.