obsolete_Subependymoma true Subependymoma is a rare and slow growing type of ependymoma, often presenting in middle-aged adults, found more commonly in men than in women, usually located in the fourth and lateral ventricles and manifesting with variable symptoms including headache, nausea, and loss of balance. In some cases it can be asymptomatic. It is usually associated with a better prognosis than other forms of ependymoma. subependymal astrocytoma (formerly) EFO:1001197 GARD:0010070 subependymal astrocytoma ICD10:D43.2 SUBEPENDYMOMA, benign 3.88.0 MESH:D018315 Replaced by Mondo term MONDO_0007667, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0007667 Orphanet:251639 NCIT:C3795 EFO:1000553 http://purl.obolibrary.org/obo/MONDO_0007667 WHO grade I ependymal tumor WHO grade I ependymal neoplasm mixed subependymoma-ependymoma subependymal glioma ONCOTREE:SUBE ICDO:9383/1 DOID:4843 subependymoma UMLS:C0206725