Classification
pilocytic astrocytomas (Grade I)
fibrillary astrocytomas (Grade II)
anaplastic astrocytomas (Grade III)
glioblastoma multiforme (Grade IV)
References
Konopka G, Bonni A. Signaling pathways regulating gliomagenesis. Curr Mol Med. 2003 Feb;3(1):73-84. PMID: #12558076#