方法：应用免疫组化和形态计量方法，检测80例骨肉瘤TAF表达和肿瘤微血管密度。
Methods The expression of TAF and microvascular density count in 80 osteosarcomas were investigated by immunohistochemical staining and morphometric technique.
方法应用免疫组化和形态计量方法，检测80例骨肉瘤VEGF表达、肿瘤微血管密度（MVD），以及OS-732血管生成相关因子的表达。
Methods The expression of VEGF and intratumoral microvascular density(MVD) in 80 osteosarcomas and osteosarcoma cell OS-732 was detected by immunohistochemical staining.
目的研究小儿原发性肝脏恶性肿瘤中血管内皮生长因子(VEGF)和微血管密度(MVD)的特点。
Objective to study the features of vascular endothelial growth factor (VEGF) expression and microvascular densities (MVD) count in pediatric malignant liver tumors.
微血管密度(MVD)被认为是能反映肿瘤血管生成的一个指标，且有可能成为预测肿瘤转移复发和预后的一项指标。
The microvessel density (MVD) is now widely used to evaluate the tumor angiogenesis, and has been proved to correlated with the tumor infiltration and prognosis.
微血管密度(MVD)被认为是能反映肿瘤血管生成的一个指标，且有可能成为预测肿瘤转移复发和预后的一项指标。
The microvessel density (MVD) is now widely used to evaluate the tumor angiogenesis, and has been proved to correlated with the tumor infiltration and prognosis.
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