Astrocytoma grade IV. Definition

Medical Definition: Astrocytoma grade IV

Type of brain tumor-growth central nervous system is formed from tissue glial (supportive) of the brain and spinal cord has cells that look very different from normal cells. In general, grade IV astrocytoma occurs in adults and affects the brain to the spinal cord. Also called GBM, glioblastoma and glioblastoma multiforme.

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