46-year-old female with mass, seizure, preoperative evaluation Redemonstrated is an extra-axial mass in the lateral right middle cranial fossa which is mildly T2-hypointense, intensely and heterogeneously enhancing, with a wide base over the medial squamosal and anterior petrous portions of the right temporal bone as well as part of the right greater wing of the sphenoid with associated hyperostosis. It again measures 3.9 cm x 2.1 cm x 2.0 cm and is associated with dural thickening extending along the free edge of the right tentorium (dural tail).It is associated with vasogenic edema in the anterior right temporal lobe reaching into the external capsule with mild mass-effect on the right lateral ventricle and sylvian fissure. There is mild leftward midline shift and minimal right uncal herniation, unchanged better demonstrated is a small developmental venous anomaly within the pons. Fiducials are in place.
Redemonstrated is an extra-axial mass in the lateral right middle cranial fossa most likely represents a meningioma. There is associated moderate degree of vasogenic edema with mild leftward midline shift and minimal right uncal herniation, unchanged.