T1 coronals post-gad

Findings: Cystic mass in the right midbrain extending into the right thalamus and pushing the third ventricle (a) laterally . Decreased T1 signal in the white matter adjacent to the superolateral aspect of both lateral ventricles (b). Prominent temporal horns of the lateral ventricles (c). Region of abnormal enhancement in the subcutaneous soft tissues adjacent to the left external ear canal (d).