
Tumours of the astrocytic series (H&E). (A) Astrocytoma malignancy grade II (arrows pointing to thin walled tumour capillary vessels). (B) Anaplastic astrocytoma malignancy grade III demonstrating anaplastic tumour cells but with no evidence for microvascular proliferation (arrows; compare with A and C). (C) Glioblastoma with florid endothelial proliferation (arrows).








