72-year-old male status post transphenoidal hypophysectomy. There is no evidence of intracranial hemorrhage or edema. Reidentified is a large, pituitary macroadenoma with extensive expansion of the sella and invasion of the sphenoid sinus and clivus which appears to be overall slightly smaller in size when compared to be presurgical MRI. There is no extension into the pre-pontine cistern There is bilateral involvement of the cavernous sinuses. There is significant extension of the tumor into the basal cistern.The ventricles and basal cisterns are normal in size and configuration.The calvaria and skull base are radiographically normal. The visualized mastoid air cells are normally pneumatized. The paranasal sinuses and sphenoid sinus demonstrate opacification and air fluid levels which may be consistent with postsurgical blood and or packing material.
Expected postsurgical changes as described above.