Heterogeneously enhancing tissue expands the pineal region. Additionally, both cavernous sinuses are expanded by similarly enhancing soft tissue extending posteriorly along the anterior tentorial edge.
Diffusely abnormal white matter with high T2 and FLAIR signal intensity representing leukoencephalopathy related to the patient's history of chemotherapy and radiotherapy.
Ventricular catheter with a reservoir in situ indicates intrathecal chemotherapy.