Headaches, frontal sinus obliteration. There are postoperative findings related to endoscopic sinus surgery and frontal sinus obliteration via osteoplastic flap. There is diffuse mucosal thickening in the bilateral maxillary sinuses and ethmoid cavities, as well as in the operative frontal sinuses. There is a more focal 10 mm diameter rounded area of high T2 signal without enhancement in the right maxillary sinus. There is no evidence of intracranial hemorrhage, mass, or acute infarct. The brain parenchyma and pituitary gland appear unremarkable. There is no 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. There appears to be a small outer table right frontal bone osteoma. The orbits are grossly unremarkable. There is fluid in the right mastoid air cells.
1. Postoperative findings related to endoscopic sinus surgery and frontal sinus obliteration via osteoplastic flap with diffuse paranasal sinus mucosal inflammation, including within the operative frontal sinus bed and what may represent a ciliated cyst or mucocele in the right maxillary sinus.2. No evidence of intracranial hemorrhage, mass, or acute infarct. 