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术前 1 周对 75 例卵巢肿瘤患者(53 例良性肿瘤,22 例恶性肿瘤)行 C 超检查及肿瘤内血流检测,并与术后的组织病理学诊断对照。结果:53 例卵巢良性肿瘤中 21 例(3962% ),22 例卵巢恶性肿瘤中21 例(9545% ) C 超显示结构异常;良性肿瘤的血流高峰收缩速度( P S V)的平均值为 142±8.1cm /s,阻抗指数( R I)平均值为 0.478±0.119。恶性肿瘤 P S V 的平均值为 242±11.5cm /s, R I平均值为 0478±0.119。当以 P S V 16cm /s 作为区分卵巢良、恶性肿瘤界值时, P S V 诊断卵巢恶性肿瘤的敏感性率和特异性率分别为 9091% 和 9057% ;当用 R I072 作为区分卵巢良、恶性肿瘤的界值时, R I诊断卵巢恶性肿瘤的敏感性率和特异性率分别为 8636% 和 6981% ; C 超诊断恶性肿瘤的敏感性率和特异性率分别为 9545% 和7170% 。三者的敏感性率差异无显著性,而 P S V 诊断卵巢恶性肿瘤的特异性率明显高于 R I和 C 超检查者,具有显著差异性( P< 0.05)。提示用多普勒血流显像技术检测卵巢肿瘤内异常血流的 P S V 对预测卵
One week before operation, 75 cases of ovarian tumors (53 cases of benign tumors, 22 cases of malignant tumors) were examined by C-mode ultrasonography and intra-tumor blood flow, and compared with postoperative histopathological diagnosis. Results: Twenty-one of 53 ovarian benign tumors (3962%) and 21 of 22 (9545%) ovarian cancers showed structural abnormalities. The peak systolic velocity (P S V) The average value of impedance index (R I) was 0.478 ± 0.119. The average value of P S V in malignant tumors was 242 ± 11.5 cm / s, and the average value of R I was 0478 ± 0.119. The sensitivity and specificity of P S V in the diagnosis of ovarian malignancies were 9091% and 9057%, respectively, when P s V 16 cm / s was used as a differentiator between benign and malignant ovarian tumors. When using R I0 72 as a distinction between benign and malignant tumors of the borderline, R I diagnosis of ovarian cancer sensitivity and specificity were 86 36% and 69 81%; C-sensitivity of the diagnosis of malignant tumors and The specificity rates were 9545% and 7170% respectively. There was no significant difference in sensitivity between the three groups. However, the specificity of P S V in the diagnosis of ovarian cancer was significantly higher than that of R I and C ultrasonographers (P <0.05). Tip Doppler flow imaging detection of abnormal blood flow within the ovarian tumor P S V predicted egg