Objective To investigate the role of MMP-2,-9 in metastasis and angiogenesis of tongue squamous cell carcinoma by detecting the expression of MMP-2,MMP-9 and microvessel density (MVD).

• 目的探讨舌鳞癌组织中微血管密度(microvessel density,MVD)及其与基质金属蛋白酶(MMPs)表达的关系。