anaplastic astrocytoma high-grade astrocytoma with piloid features https://github.com/monarch-initiative/mondo/issues/8567 https://www.malacards.org/card/high_grade_astrocytoma_with_piloid_features An anaplastic astrocytoma that is characterized by high-grade piloid and/or glioblastoma-like histological features. It may occur anywhere in the central nervous system but most often arises in the posterior fossa. GARD:0026637 UMLS:C5670122 MONDO:0858958 NCIT:C185879 DOID:0081304 MEDGEN:1812304