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目的比较经阴道超声及经腹部超声对不同大小包块宫外孕的诊断能力。方法对68例异位妊娠患者于术前分别行腹部超声及阴道超声,并将诊断结果与手术病理结果进行比较分析。结果包块<3 cm时,阴道超声检出18例,阳性率为85.71%,腹部超声检出10例,阳性率为47.62%;包块≥3 cm,阴道超声检出46例,阳性率为97.87%。腹部超声检出38例,阳性率为80.85%。阴道超声整体诊断阳性率为94.12%,漏诊率为5.88%,腹部超声整体诊断阳性率为70.59%,漏诊率为29.41%。阴道超声对不同大小包块宫外孕的诊断阳性率及整体诊断阳性率均明显高于腹部超声(P<0.01)。结论阴道超声与腹部超声相比,其在诊断宫外孕尤其是包块较小时其诊断准确率更高。
Objective To compare the diagnostic ability of transvaginal ultrasound and transabdominal ultrasonography in different sizes of ectopic pregnancy. Methods Sixty-eight patients with ectopic pregnancy underwent abdominal ultrasound and vaginal ultrasound before operation, and the results of the diagnosis and pathology were compared. Results In mass <3 cm, 18 cases were detected by vaginal ultrasonography, the positive rate was 85.71%, and 10 cases were detected by abdominal ultrasonography. The positive rate was 47.62%. The mass was ≥3 cm, and 46 cases were detected by vaginal ultrasonography. The positive rate was 97.87%. 38 cases of abdominal ultrasound examination, the positive rate was 80.85%. The overall positive rate of vaginal ultrasound was 94.12%, the rate of missed diagnosis was 5.88%. The overall positive rate of abdominal ultrasound was 70.59% and the rate of missed diagnosis was 29.41%. Vaginal ultrasound in different sizes of the diagnosis of ectopic pregnancy mass positive rate and the overall positive rate was significantly higher than abdominal ultrasound (P <0.01). Conclusion Compared with abdominal ultrasound, vaginal ultrasound has higher diagnostic accuracy in the diagnosis of ectopic pregnancy, especially when the mass is small.