brain glioma high grade astrocytic tumor gliomatosis cerebri https://rarediseases.info.nih.gov/diseases/6514/gliomatosis-cerebri https://www.malacards.org/card/gliomatosis_cerebri gliomatosis cerebri MEDGEN:87267 DOID:6128 UMLS:C0334576 MONDO:0016683 astrocytosis cerebri gliomatosis cerebri (morphologic abnormality) icd11.foundation:373131154 A diffuse glial tumor which infiltrates the brain extensively, involving more than two lobes. It is frequently bilateral and often extends to the infratentorial structures, even to the spinal cord. It is probably of astrocytic origin, although GFAP expression may be scant or absent. (Adapted from WHO.) ICDO:9381/3 NCIT:C4318 GARD:0006514 MedDRA:10066254 Orphanet:251582 gliomatosis