Dictionary of Cancer Terms
View in Spanish: Glioblastoma
Glioblastoma (GLEE-oh-blas-TOH-muh)
A fast-growing type of central nervous system tumor that forms from glial (supportive) tissue of the brain and spinal cord and has cells that look very different from normal cells. Glioblastoma usually occurs in adults and affects the brain more often than the spinal cord. Also called GBM, glioblastoma multiforme, and grade IV astrocytoma.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.