History of ethesioneuroblastoma off therapy scan. Face: There are post-operative findings related to right medial maxillectomy and right anterior and posterior ethmoidectomy. There is no significant change in the appearance of the treatment bed without discernible gross tumor. There is persistent mucosal thickening in the right maxillary sinus, right frontal sinus, bilateral ethmoid cavities, and bilateral sphenoid sinuses. There is leftward nasal septal deviation. There are findings related to right dacryocystorhinostomy, but the orbits are otherwise grossly intact. There is a subcentimeter Thornwaldt or nasopharyngeal retention cyst. The lymph nodes in the upper neck are not particularly enlarged.Brain: There is no evidence of intracranial tumor. There is an unchanged prominent perivascular space in the right basal ganglia. The brain parenchyma otherwise appears unremarkable and there is no evidence of acute infection or abnormal intracranial enhancement. The ventricles and basal cisterns are normal in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact.
1. Stable post-treatment findings in the sinonasal region without evidence of gross tumor recurrence amidst diffuse mucosal thickening.2. No evidence of intracranial tumor.