Male, 22 years old, with left insular brain lesion and headache, preoperative fusion protocol. Redemonstrated is the patient's T2 hyperintense, nonenhancing left insular lesion. Cavum septum et vergae is redemonstrated. Expected vascular flow-voids are demonstrated. Sporadic mucosal thickening is noted within maxillary and left ethmoid air cells without superimposed fluid levels. Bilateral mastoid air cells are clear.
Redemonstrated is the patient's T2 hyperintense, nonenhancing left insular lesion.