Brain Stem Astrocytoma

Abnormal growth of the glial cells that comprise the brainstem. This tumor is most easily detected on MRI. The form with the poorest prognosis (median survival of about 12 months) appears to be the diffusely infiltrative pontine lesion. However, it is important to note whether the patient has neurofibromatosis since the literature appears to show a more favorable prognosis for diffuse tumors in patients with neurofibromatosis type I. The dorsally exophytic brainstem lesions has a slightly better expected survival. Brainstem glioma is most commonly found in children. There are preliminary findings in the literature that seem to indicate that adults with brainstem gliomas may have a better survival time. (Kaye AH, Laws ER Brain Tumors Churchill-Livingstone 1995) (NCI Thesaurus)

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Brain stem

The part of the brain that is connected to the spinal cord.

Brain Sarcoma

A malignant mesenchymal neoplasm arising from the brain.

Brain Part

Any component of the central nervous system that is contained within the cranium.

Brain Nucleus

A mass of neuronal cells in a distinct area of the brain.

Brain Neoplasm

A benign or malignant neoplasm that arises from or metastasizes to the brain.

Brain Natriuretic Peptide Measurement

The determination of the amount of brain natriuretic peptide present in a sample.