- Gliosarcoma
Gliosarcoma is a rare type of
glioma , acancer of the brain that comes fromglial , or supportive, brain cells, as opposed to theneural brain cells. Gliosarcoma is a malignant cancer, and is defined as a glioblastoma consisting of gliomatous and sarcomatous components. It is estimated that approximately 2.1% of all glioblastomas are gliosarcomas. Although most gliomas rarely show metastases outside the cerebrum, gliosarcomas have a propensity to do so, most commonly spreading through the blood to thelungs , and alsoliver andlymph nodes . cite journal |author=Beumont et al. |title=Gliosarcoma with multiple extracranial metastases: case report and review of the literature |journal=J. Neurooncology |volume=83 |pages=39–46 |year=2007 |pmid=17171442 |doi=10.1007/s11060-006-9295-x]Gliosarcomas have an epidiology similar to that of glioblastomas, with the average age of onset being 53 years, and males being affected twice as often as females. most commonly present in the
temporal lobe . It has been suggested that gliosarcomas areradiation -induced.External links
* [http://www.cancer.gov/Templates/db_alpha.aspx?CdrID=45701 Gliosarcoma] entry in the public domain NCI Dictionary of Cancer Terms
References
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