fig2

Figure 2. Hematoxilin and eosine staining of biopsy specimen. Diffuse cellular proliferation with hyperchromatism and pleomorphism (A, x400); neither necrosis nor vascular proliferation was detected. Infiltration into brain parenchyma was found (B, x400); positive staining for glial fibrillary acidic protein (C, x200), and p53 (D, x200)