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目的探讨经阴道彩色多普勒血流显像对恶性滋养细胞肿瘤的诊断价值及化疗效果的评价。方法应用经阴道彩色多普勒对12例恶性滋养细胞肿瘤患者进行血流检测,观察病变区域血流情况,测算RI值,并追踪观察化疗后病变区域的血流变化。结果 12例滋养细胞肿瘤患者病变区域血流异常丰富,频谱为低阻血流,RI=0.39±0.05.在化疗前后,CDFI及RI值均有显著改变。结论经阴道彩色多普勒超声可对恶性滋养细胞肿瘤进行早期诊断,并可用于观察其化疗效果,判断疾病转归。
Objective To evaluate the value of transvaginal color Doppler flow imaging in the diagnosis of malignant trophoblastic tumor and the evaluation of its efficacy. Methods Transvaginal color Doppler was used to detect the blood flow in 12 cases of malignant trophoblastic tumor. The blood flow in the lesion area was observed. The RI value was measured. The changes of blood flow in the lesion area were observed. Results Twelve cases of trophoblastic tumor showed abnormally rich blood flow in the lesion area with low resistance blood flow, RI = 0.39 ± 0.05. CDFI and RI were significantly changed before and after chemotherapy. Conclusion Transvaginal color Doppler ultrasound can diagnose malignant trophoblastic tumor early, and can be used to observe the effect of chemotherapy, to determine the prognosis of the disease.