Figure 4From: Differentiation of local tumor recurrence from radiation-induced changes after stereotactic radiosurgery for treatment of brain metastasis: case report and review of the literatureHistology of left frontal tissue, obtained by stereotactic biopsy. Hyalinized radiation-induced necrosis, H&E staining, original magnification x100. Within the necrosis, blood vessels with thickened walls and obturated lumen (dotted arrow). On the left side, vital brain parenchyma with hemosiderin deposits (arrows).Back to article page