Results:The expression of CD9 protein were higher in chorion villi and hydatidiform mole than in invasive mole choriocarcinoma.

• 结果:正常绒毛组织及葡萄胎组织中CD9阳性表达率明显高于侵蚀性葡萄胎及绒癌组织,其差异有显著性。