T2 axials

Findings: Left parasellar mass encasing the left supraclinoid internal carotid artery (sc) with mass affect upon the left cerebral peduncle (cer ped), thalamus, and basal ganglia with internal flow foids (a), subfalcine herniation (b) and adjacent vasogenic edema (c). M1 segment (m1) of the middle cerebral artery. Basilar artery (ba). Posterior cerebral artery (pca). Substantia nigra (sn).