low-grade astrocytoma diffuse astrocytoma https://www.malacards.org/card/diffuse_astrocytoma fibrillary astrocytoma (histologic variant) low-grade diffuse astrocytoma NCIT:C7173 astrocytoma, diffuse, malignant A low-grade (WHO grade II) astrocytic neoplasm. It is characterized by diffuse infiltration of neighboring central nervous system structures. These lesions typically affect young adults and have a tendency for progression to anaplastic astrocytoma and glioblastoma. Based on the IDH genes mutation status, diffuse astrocytomas are classified as IDH-mutant, IDH-wildtype, and not otherwise specified. WHO grade II astrocytoma protoplasmic astrocytoma (histologic variant) MONDO:0016686 diffuse astrocytoma GARD:0005907 grade II astrocytic tumor grade II astrocytoma Orphanet:251595 astrocytoma, diffuse MEDGEN:83708 UMLS:C0280785 grade II astrocytic neoplasm DOID:4857 grade II astrocytic tumour gemistocytic astrocytoma (histologic variant) NANDO:2200085 ONCOTREE:DASTR grade II glioma