The expression of vascular endothelial growth factor (VEGF), Tie receptor, angiogenin-1 (Ang1), angiogenin-2 (Ang2), proto-oncogene c-myc and proliferating cell nuclear antigen (PCNA) in cAVM specimens were detected with immunohistochemistry.

• 采用免疫组化方法检测脑动静脉血管畸形标本中血管内皮细胞生长因子、Tie受体、血管生成素1、血管生成素2、原癌基因c-myc和增殖细胞核抗原的表达情况。