Cerebral Ventricle Neoplasms

Brain Ventricular Neoplasms; Cerebral Ventricle Tumors; Cerebroventricular Neoplasms; Neoplasms, Cerebral Ventricle; Neoplasms, Cerebroventricular; Neoplasms, Intraventricular; Neoplasms, Ventricular, Brain; Brain Ventricular Neoplasm
Neoplasms located in the brain ventricles, including the two lateral, the third, and the fourth ventricle. Ventricular tumors may be primary (e.g., CHOROID PLEXUS NEOPLASMS and GLIOMA, SUBEPENDYMAL), metastasize from distant organs, or occur as extensions of locally invasive tumors from adjacent brain structures.