Bothe the totalpositive and the strong positive expression for PCNA in benign boderline andmalignant epithelial ovarian tumors were obvious difference (p0.004Pstrong=O.002) and increased with development of ovarian tumors .

• （3）PCNA在良性、交界性、恶性卵巢上皮性肿瘤中的表达总阳性率及强阳性率差异均有显著性（P=0.；004，P_强=0