Collecting and Storing Blood and Brain Tumor Tissue Samples From Children With Brain Tumors

Childhood Atypical Teratoid/Rhabdoid Tumor Astrocytoma Brain Diseases Brain Neoplasms Central Nervous System Diseases Central Nervous System Neoplasms Cerebral Ventricle Neoplasms Childhood Central Nervous System Germ Cell Tumor Childhood Cerebral Anaplastic Astrocytoma Childhood Cerebral Astrocytoma Childhood Choroid Plexus Neoplasm Childhood Craniopharyngioma Childhood Grade I Meningioma Childhood Grade II Meningioma Childhood Grade III Meningioma Childhood Infratentorial Ependymoma Childhood Oligodendroglioma Childhood Supratentorial Ependymoma Choroid Plexus Neoplasms Cranial Nerve Diseases Cranial Nerve Neoplasms Ependymoma Eye Diseases Familial ependymoma Glioma Medulloblastoma Neoplasms Neoplasms by Histologic Type Neoplasms by Site Neoplasms, Complex and Mixed Neoplasms, Germ Cell and Embryonal Neoplasms, Glandular and Epithelial Neoplasms, Nerve Tissue Neoplasms, Neuroepithelial Nervous System Diseases Nervous System Neoplasms Neuroectodermal Tumors Neuroectodermal Tumors, Primitive Newly Diagnosed Childhood Ependymoma Oligodendroglioma Optic Nerve Diseases Optic Nerve Glioma Optic Nerve Neoplasms Peripheral Nervous System Neoplasms Recurrent Childhood Cerebellar Astrocytoma Recurrent Childhood Cerebral Astrocytoma Recurrent Childhood Ependymoma Recurrent Childhood Medulloblastoma Recurrent Childhood Supratentorial Embryonal Tumor, Not Otherwise Specified Recurrent Childhood Visual Pathway Glioma Rhabdoid Tumor