disease arises from structure disease arises from alteration in structure ependymal tumor https://www.malacards.org/card/high_grade_ependymoma MONDO:0003266 ependymal neoplasm ependymal tumor GARD:0016527 A group of neoplasms which arise from the ependymal lining of the cerebral ventricles and from the remnants of the central canal of the spinal cord. Ependymal tumors occur predominantly in children and young adults with varied morphological features and biological behavior. There are 4 types: ependymoma, anaplastic ependymoma, myxopapillary ependymoma and subependymoma. (WHO) ependymal tumors ependymomal tumor Orphanet:301 EFO:1000027 ependymal tumours NCIT:C6770 ONCOTREE:EPMT ependymomal tumour MEDGEN:232459 UMLS:C1333407 neoplasm glioma ependyma