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Oligodendroglial tumor
Pronunciation
Definition 1
A rare, slow-growing tumor that begins in oligodendrocytes (cells that cover and protect nerve cells in the brain and spinal cord). Also called oligodendroglioma. (NCI Dictionary)
Definition 2
A neoplasm of the central nervous system composed predominantly of cells morphologically resembling oligodendroglia. Oligodendroglial tumors histologically comprise a continuous spectrum ranging from well-differentiated neoplasms to frankly malignant tumors. WHO grading system recognizes two malignancy grades: WHO grade II for well-differentiated tumors (oligodendroglioma) and WHO grade III for anaplastic oligodendroglioma. (NCI Thesaurus/Adapted from WHO)
Definition 3
A rare, slow-growing tumor that begins in the oligodendrocytes (brain cells that provide support and nourishment for nerve cells). (NCI Dictionary)