History of meningioma resection. Surgical changes of the calvarium related to meningioma resection including frontal craniectomy with presence surgical changes in the nasal cavity and anterior cranial fossa skull base. Redemonstrated pockets of pneumocephalus deep to the craniectomy site along with extra-axial density tracking along the skull base which likely represents reconstruction material. Packing material is noted within the nasal cavity along with bilateral nasal tubing. Slight interval increased/fluid within the sphenoid sinuses and maxillary sinuses. Redemonstrated into the clivus which is remodeled and absence of the osseous floor of the sella. Redemonstrated volume loss and encephalomalacia of the frontal lobes as seen on prior MRI. No evidence of acute territorial ischemia within the brain. There is no evidence of intra-axial hemorrhage or cerebral edema. The ventricles are stable in size and midline. The basal cisterns are patent. Mastoid air cells are clear. Mucosal thickening and fluid is also noted in the maxillary sinuses. The orbits are unremarkable. Diffuse scalp swelling.
Stable postsurgical changes related to meningioma resection. Slight increased amount of fluid in the maxillary and sphenoid sinuses. Stable pneumocephalus without evidence of acute intraparenchymal process.