glioblastoma

glioblastoma
glio·blas·to·ma .glī-(.)ō-bla-'stō-mə n, pl -mas also -ma·ta -mət-ə a malignant rapidly growing astrocytoma of the central nervous system and usu. of a cerebral hemisphere called also spongioblastoma

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n.
the most aggressive type of brain tumour derived from non-nervous (glial) tissue (see astrocytoma). Its rapid enlargement destroys normal brain cells, with a progressive loss of function, and raises intracranial pressure, causing headache, vomiting, and drowsiness. Treatment is never curative and the prognosis is poor.

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glio·blas·to·ma (gli″o-blas-toґmə) [glio- + blastoma] the most malignant type of astrocytoma, classified as Grade IV, one of the most common primary tumors of the brain; it also occurs in the brainstem in children and occasionally in the spinal cord of an adult or child. It grows rapidly, is usually found in the cerebral hemispheres, and is composed of a mixture of spongioblasts, astroblasts, and astrocytes. Called also glioblastoma multiforґme and spongioblastoma multiforme. glioblastomatous adj

Glioblastoma. MRI demonstrates a large contrast-enhancing left temporal lesion with an irregular border as well as a central lucency suggesting an area of necrosis.


Medical dictionary. 2011.

Look at other dictionaries:

  • glioblastoma — m. oncol. Tumor maligno del sistema nervioso central que se halla compuesto por tejido nervioso embrionario. Medical Dictionary. 2011. glioblastoma …   Diccionario médico

  • glioblastoma — 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… …   English dictionary of cancer terms

  • glioblastoma — noun (plural mas; also glioblastomata) Etymology: New Latin, from glia glia + blast + oma Date: circa 1923 a malignant rapidly growing astrocytoma of the central nervous system and usually of a cerebral hemisphere called also glioblastoma… …   New Collegiate Dictionary

  • glioblastoma multiforme — Tumor maligno de crecimiento rápido, pulposo o quístico, del cerebro o, en ocasiones, de la médula espinal. La lesión se disemina mediante proyecciones en forma de seudópodos. Diccionario Mosby Medicina, Enfermería y Ciencias de la Salud,… …   Diccionario médico

  • Glioblastoma multiforme — DiseasesDB = 29448 MeshID = D005909 Glioblastoma multiforme (GBM) is the most common and most aggressive type of primary brain tumor, accounting for 52% of all primary brain tumor cases and 20% of all intracranial tumors. Despite being the most… …   Wikipedia

  • Glioblastoma multiforme — Klassifikation nach ICD 10 C71 Bösartige Neubildung des Gehirns C71.0 Zerebrum, ausgenommen Hirnlappen und Ventrikel C71.1 …   Deutsch Wikipedia

  • glioblastoma multiforme — A glioma consisting chiefly of undifferentiated anaplastic cells of astrocytic origin that show marked nuclear pleomorphism, necrosis, and vascular endothelial proliferation; frequently, tumor …   Medical dictionary

  • glioblastoma multiforme — GBM. 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 multiforme usually occurs in adults and affects …   English dictionary of cancer terms

  • glioblastoma multiforme — noun see glioblastoma …   New Collegiate Dictionary

  • glioblastoma multiforme — Eng. Glioblastoma multiforme Tumor cerebral maligno con gran tendencia infiltrativa y rápido crecimiento. Aunque su localización más frecuente es la hemisférica puede asentar o afectar de forma secundaria al quiasma óptico, nervio óptico u órbita …   Diccionario de oftalmología

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