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Oligoastrocytoma
Pronunciation
Definition 1
A brain tumor that forms from both oligodendrocytes and astrocytes, which are types of glial cells (cells that cover and protect nerve cells in the brain and spinal cord and help them work the way they should). An oligoastrocytoma is a type of mixed glioma. (NCI Dictionary)
Definition 2
A WHO grade II tumor composed of a conspicuous mixture of two distinct neoplastic cell types morphologically resembling the tumor cells in oligodendroglioma and diffuse astrocytoma. (NCI Thesaurus/WHO)
Definition 3
A benign neoplasm of the central nervous system with an astrocytic and oligodendrocytic component. (NCI Thesaurus/CDISC)
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