NCIt synonyms : Anaplastic Ependymal Neoplasm; WHO Grade III Ependymal Tumor; Undifferentiated Ependymoma; Undifferentiated Ependymal Neoplasm; WHO Grade III Ependymal Neoplasm; Malignant Ependymoma; Undifferentiated Ependymal Tumor; Anaplastic Ependymal Tumor; WHO Grade 3 Ependymal Neoplasm; WHO Grade 3 Ependymal Tumor; Ependymoma with Anaplasia;
NCIt related terms : Ependymoma, anaplastic;
NCIt definition : A WHO grade 3 malignant glioma of ependymal origin with accelerated growth and an
unfavorable clinical outcome, particularly in children. It is characterized by high
mitotic activity, often accompanied by microvascular proliferation and pseudo-palisading
necrosis. (Adapted from WHO);