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gliosarcoma
(redirected from gliosarcomas)

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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
Neuropathology A glioblastoma with sarcomatous elements Prognosis Poor, highly aggressive; most Pts die within 1 yr


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Gliosarcomas (GSs) can especially simulate metastases because of their relatively sharp circumscription, but usually the abundant interspersed reticulin fibers and microvascular proliferation present in GSs distinguish these from metastatic disease.
An Algorithmic Approach to the Brain Biopsy-Part I by B K Kleinschmidt-DeMasters and Richard A Prayson / Archives of Pathology & Laboratory Medicine
It has been estimated that gliosarcomas account for about 2% of glioblastomas.
Gliosarcoma With Features of Osteoblastic Osteosarcoma: A Review by Valeria Barresi and Serenella Cerasoli and Federico Morigi and Anna Maria Cremonini and Et al / Archives of Pathology & Laboratory Medicine
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