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作者对60例闭经6周内的患者,用超声波“B”扫描诊断是否为妊娠,并将其结果与宫内吸出物组织学检验,和免疫妊娠试验作比较。扫描的总准确率为79%,假阳性为15%,对闭经39天以上者其准确率高达95%。研究对象限于月经延期1—14天的要求吸宫者。吸宫前先行超声波“B”扫描。大部份患者曾作免疫妊娠试验(Dri-Dot法)。扫描装置系Nuclear Enterprises Diasonograph 4102型;按Donald(1963)的全膀胱扫描法施行:先作中纵线“B”扫描,探索子宫部位;如遇困难,可行一组横线扫描探索,勿将膀胱误认为子宫;然后调整至子
The authors of the 60 patients with amenorrhea within 6 weeks, using ultrasound “B” scan to diagnose pregnancy, and the results with intrauterine aspirate histological examination, and immune pregnancy test. The overall accuracy of the scan was 79%, the false positive was 15%, and the accuracy rate was as high as 95% for menopause over 39 days. The study subjects were limited to menstruation requiring 1-4 days of menstruation. Ultrasonic “B” scans are performed prior to suction. Most of the patients used to have an immune pregnancy test (Dri-Dot method). Scanning device is a Nuclear Enterprises Diasonograph 4102 type; performed by Donald (1963)’s full-bladder scan method: first a midline “B” scan to explore the uterus; in case of difficulty, a set of horizontal lines can be used to scan and explore. Wrongly think of the uterus; then adjust to the child