Tissue sections show a cellular astroglial tumor showing fibrillary stroma. Tumor is vascular with evidence of endothelial proliferation with glomeruloid bodies formation. Areas of necrosis are detected. This is a WHO grade 4 tumor. In many foci tumor shows anaplastic cells denoting progression from pre-existing anaplastic astrocytoma.
Lt temporal mass lesion with faint post contrast enhancement and surrounding vasogenic edema.
Soft tissue fragments collectively measured 3x2.8x0.6 cm, totally embedded.
Lt temporal mass lesion, biopsy: