Definitions for "Brain tumor"
Intracranial mass, either benign or malignant. A benign tumor of the brain can be fatal since it will grow and cause pressure on normal brain tissue. The most malignant brain tumors in children are gliomas.
cancer of the brain and/or spinal cord.
a clump of abnormal tissue that can be found anywhere in the brain
a major concern that brings children to the neurologist for an evaluation