This glioblastoma multiforme (GBM) demonstrates marked cellularity with marked hyperchromatism and pleomorphism.

胶质母细胞瘤(GBM)显示肿瘤细胞深。

Grade IV gliomas (glioblastoma multiforme).Surgery is required to establish tissue diagnosis and debulk the lesion.

WHO四级胶质瘤（胶质母细胞瘤）：同样需要手术来达到组织病理诊断减小肿瘤体积。