Results : ( 1 ) The positive expression of MMP - 2 reinforces gradually from normal villus, benign mole to malignant mole which has statistically significance ( P < 0. 05 ).
结果（1）从正常绒毛→良性葡萄胎→恶性葡萄胎，MMP-2的阳性率有升高趋势，差异有统计学意义（P〈0.05）。
Different characteristics of hydatidiform mole and malignant hydatidiform mole and choriocarcinoma on B-mode ultrasound were discussed.
重点讨论了葡萄胎、恶性葡萄胎和绒癌在B超鉴别诊断上所表现的不同特征。
Different characteristics of hydatidiform mole and malignant hydatidiform mole and choriocarcinoma on B-mode ultrasound were discussed.
重点讨论了葡萄胎、恶性葡萄胎和绒癌在B超鉴别诊断上所表现的不同特征。
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