obsolete_glioma true SNOMEDCT:115240006 NCIt:C3059 SNOMEDCT:189926000 Replaced with central nervous system cancer (EFO_0000326) James Malone A benign or malignant brain and spinal cord tumor that arises from glial cells (astrocytes, oligodendrocytes, ependymal cells). Tumors that arise from astrocytes are called astrocytic tumors or astrocytomas. Tumors that arise from oligodendrocytes are called oligodendroglial tumors. Tumors that arise from ependymal cells are called ependymomas. SNOMEDCT:74532006 1.5 MESH:D005910 true http://purl.obolibrary.org/obo/MONDO_0002714 DOID:2627 SNOMEDCT:189908003