1·Conclusin H_2O_2 acoustic contrast has higher value in diagnosis uterine cavity disease.
结论双氧水声学造影对宫腔内病变的诊断有较高的应用价值。
2·In the present study 274 cases of IUD removal failure were examined with hysteroscopy. In 237 out of 274 IUDs fragments of IUD were detected in uterine cavity.
本文介绍274例常规取节育器困难或失败的病例，经宫腔镜检查定位，274例中有237例病人的宫内节育器或其残段碎片在宫腔内，37例未见宫内节育器。
3·Conclusion Abdominal ultrasonography monitoring in difficult uterine cavity operation is worth to be recommended which it increases the success rate of operation.
结论：在腹部超声监护下进行疑难宫腔手术提高了手术成功率，故值得在临床推广应用。
4·Results the total diagnostic coincidence rates of the combined two methods in diagnosing uterine cavity disease was 83.1%, 80.1% for diagnosing tubal infertility, and 54.2% for pelvic disease.
结果两种方法对宫腔疾病的诊断符合率为83.1%，对输卵管疾病的诊断符合率为80.1%，对盆腔疾病的诊断符合率为54.2%。
1·Conclusion Abdominal ultrasonography monitoring in difficult uterine cavity operation is worth to be recommended which it increases the success rate of operation.
结论：在腹部超声监护下进行疑难宫腔手术提高了手术成功率，故值得在临床推广应用。
2·Conclusin H_2O_2 acoustic contrast has higher value in diagnosis uterine cavity disease.
结论双氧水声学造影对宫腔内病变的诊断有较高的应用价值。