27 x 34 x 38 mm mass destroying the left hard palate, maxillary tuberosity and posterior aspect of maxillary alveolus bulges into the inferior nasal cavity and maxillary sinus. Abnormal enhancing soft tissue extends superiorly from the mass along the greater palatine canal into the pterygopalatine fossa. There is equivocal thickening of the left vidian nerve. No convincing asymmetric enhancement along V2 or V3. The left maxillary sinus is lined by T2 hyperintense mucosa. Inferiorly this mucosa is elevated by the intrasinus component of the mass. There is also an apparently separate 8 x 5 mm nodule of relatively T2 hypointense tissue at the superolateral wall of the sinus, lateral to the infraorbital canal. No evidence of infiltration of fat in the extraconal space of the orbit. 9 x 3.5 mm left lateral retropharyngeal node is at the upper limits of normal size. No cervical lymphadenopathy by size criteria.