Fig. 4From: Progressive multifocal exophytic pontine glioblastoma: a case report with literature reviewImmunohistochemical examination of the tumor with diaminobenzidine staining. Glial fibrillary acidic protein (a), S-100 (b), P53 (c), and Ki-67 (d) are diffusely expressed. The expression of methylated O6-methylguanine-DNA methyltransferase (e) and isocitrate dehydrogenase 1 (f) is weakBack to article page