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gliosarcoma

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gli·o·sar·co·ma (gl-sär-km, gl-)
n.
A glioma consisting of immature, undifferentiated, pleomorphic, spindle-shaped cells with hyperchromatic nuclei and poorly formed fibrillary processes.
gliosarcoma
[glī′ōsärkō′mə] pl. gliosarcomas, gliosarcomata
Etymology: Gk, glia + sarx, flesh, oma, tumor
a tumor composed of spindle-shaped cells in the delicate supporting connective tissue of nerve cells. Also called glioblastoma, glioma, spongioblastoma, spongiocytoma.
gliosarcoma [gli″o-sahr-ko´mah]
glioma combined with sarcoma.
gliosarcoma
Neuropathology A glioblastoma with sarcomatous elements Prognosis Poor, highly aggressive; most Pts die within 1 yr
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18) Three GBM variants are recognized as distinct clinicopathologic entities in the current WHO classification: conventional GBM, giant cell GBM (GC-GBM), and gliosarcoma (GS).
Glioblastoma: morphologic and molecular genetic diversity by Miller, C. Ryan; Perry, Arie / Archives of Pathology & Laboratory Medicine
Gliosarcoma is a mixed tumor containing both malignant glial and mesenchymal tissues intermixed, unlike in the collision tumor.
An Unusual Cerebellopontine Angle Tumor by Sun, Xiaoming; Thomas, Chinnamma / Archives of Pathology & Laboratory Medicine
 
 
 
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