Transphenoidal surgery for Cushing syndrome and foramen decompression for Chiari malformation. Pituitary: There has been expected interval evolution of postoperative findings related to transsphenoidal surgery. There is no definite evidence of a discrete pituitary mass. The remaining pituitary gland is not enlarged and there is no mass effect upon the optic apparatus. The infundibulum is intact and not significantly deviated. The cavernous sinuses are intact. Brain: There are stable postoperative findings related to Chiari decompression with an unchanged position and configuration of the cerebellar tonsils. There is no evidence of intracranial hemorrhage, mass, or acute infarct. The brain parenchymal signal appears unremarkable. The ventricles are stable in size and configuration, with asymmetric lateral ventricles in which the left is slightly smaller than the right. The major cerebral flow voids are intact. There is a small left maxillary sinus retention cyst. The skull and extracranial soft tissues are otherwise unremarkable.
1. Postoperative findings related to transsphenoidal surgery without definite evidence of residual or recurrent pituitary tumor.2. Expected postoperative findings related to foramen magnum decompression for Chiari malformation.