glioblastoma /glio·blas·to·ma/ (gli″o-blas-to´mah) any malignant astrocytoma.
glioblastoma.
glioblastoma
glioblastoma multifor´me the most malignant type of astrocytoma, composed of spongioblasts, astroblasts, and astrocytes; it usually occurs in the brain but may occur in the brain stem or spinal cord.
gli·o·blas·to·ma (gl   -bl -st m , gl -)n. A glioma consisting chiefly of undifferentiated anaplastic cells frequently arranged radially about an irregular focus of necrosis, usually occurring in the cerebrum of adults. Also called grade IV astrocytoma. |
glioblastoma.
See spongioblastoma.
glioblastoma
an undifferentiated malignant astrocytoma.
glioblastoma multiforme
a rapidly growing tumor, usually of the cerebral hemispheres, often supratentorial.
glioblastoma
Astrocytoma, grade III-IV, glioblastoma multiforme, malignant astrocytoma Neurosurgery A highly aggressive 1º brain tumor–BT arising in glia, comprising 30% of the 5000 new BTs/yr, US At risk occupations Anatomists,
pathologists, dentists, ophthalmologists Treatment Poor response to surgery, chemotherapy, RT. See Gliadel® wafer.
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