tumors

CNS tumors account for what percentage of childhood cancers?

20%

Most common brain tumors in children

Medullablastoma, Astrocytoma, Ependyoma

Medulablastoma

Cerebella’s tumor (most common) with 5 year survival rate of 50%

Astrocytoma

Second most common in children, astrocyte is the neuron support cell of the brain. Successfully treated with surgery and 5 year survival rate 90%

Ependyoma

Third most common in children with 5 year survival rate of 50%

Most common brain tumors in adults

Glioma (tumor of the neuron support cell)

Meningioma

Tumor of the cns outer lining

Pituitary adenoma

Tumor of the pituitary gland

Neurilemona

Tumor of the nerve sheath

Craniopharyngioma

Tumor of the base of the skull

Hemangioblastoma

Tumor of the brain blood vessel

Pineal glad

The mid lower part of the brain

About how many new cases of CNS cancer are in the US each year? And % of the brain?

15,000; 66%

Symptoms of increased intracranial pressure

Headache, nausea, committing, lethargy, altered consciousness

Neuroblastoma

Forms from Embryonic neural crest cells. Occurs in very small children at 2yrs old and has a genetic association. Represents an Imcomplete development of nerve tissue