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MRI sequences show a left side nasal cavity a partially enhancing mass is demonstrated associated with bony destruction/remodelling. The left side of the sphenoid sinus is opacified, presumably obstructed. It extends superiorly to involve the ethmoidal air cells and the cribriform plate.
It does not appear to clearly transgress the medial and intra walls of the orbit although there are thinned and somewhat irregular.
No convincing intracranial pathology identified.