Contrast not given due to poor renal function.
Large mass within the nasal passages and sphenoid sinus, expanding into the right orbit and right maxillary sinus, with erosion of the nasal septum and clivus. Low signal on T1 and T2 images with diffusion restriction. No areas of cystic change or necrosis.
While there is bony erosion of the cribriform plate, planum sphenoidale, floor of the pituitary fossa and clivus, no definite extension of tumour through the dura and no involvement of the brain on the imaging available.