T1 axials pre-gad














































T1 axials pre-gad

Findings: Expansile, isointense mass filling the left nasal cavity and ethmoid air cells laterally deviating the lamina papyracea of the left orbit producing left proptosis. There is invasion of the anterior cranial fossa with the anterior portions of the gyrus recti obscured (gyr). Soft tissue in the left maxillary sinus as well as in the right and left sphenoid sinuses.