Primary CNS Tumors and Tumor-Related Conditions

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Meningiomas
are tumors develop from the thin membranes, or meninges, that cover the brain and spinal cord.
Vascular Tumors
Rare, noncancerous tumors arise from the blood vessels of the brain and spinal cord.
Schwannomas
are tumors arise from the cells that form a protective sheath around the body's nerve fibers.
Primitive Neuroectodermal Tumors
usually affect children and young adults. these tumors spring from primitive cells left over from early development of the nervous system.
Pineal Tumors
are tumors in pituitary gland
Primary
CNS
Tumors
Gliomas
About half of all primary brain tumors and about one-fifth of all primary spinal cord tumors are gliomas. They grow from glial cells.
Craniopharyngiomas
are brain tumors that usually affect infants and children. They're are often located near the brain's pituitary gland, a gland that releases chemicals important for the body's growth and metabolism.
Chordomas
develop from remnants of the flexible spine-like structure that forms and dissolves early in fetal development and is later replaced by the spinal cord.
Source: U.S. Department of Health and Human Services, National Institutes of Health, National Institute of Neurological Disorders and Stroke. www.ninds.nih.gov
Optic nerve gliomas
Brain stem gliomas
Mixed gliomas
Ganglioneuromas
Oligodendrogliomas
Ependymomas
Astrocytomas
Primary CNS Tumors and Tumor-Related Conditions