An astroglial tumor formed of proliferating atypical fibrillary astrocytes exhibiting mild to moderate anaplasia. Generally, cellularity is mild to moderate and no evidence of vascular or endothelial proliferation. There are scattered few binucleated cells with eosinophilic cells. No evidence of tumor necrosis or vascular endothelial proliferation. Picture is consistent with astrocytoma, WHO grade 2. Confirmatory marker study (GFAP, Synaptophysin, IDH-1, Olig-2 and Ki-67) is recommended.
Intra-axial well defined smooth unilocular cystic lesion at the left frontal lobe.
soft tissue fragments colllectively measured 1.3x1x0.4 cm, totally embedded.