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《Chinese Journal of Medical Imaging Technology》 2010-01
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Color Doppler ultrasonography in the diagnosis and treatment of uterine scar pregnancy

BAI Jie,HUANG Dan-ping ,LI Jiao-ling(Department of Ultrasound,Guangzhou Women and Children's Medical Center,Guangzhou 510180,China)  
Objective To investigate the application value of color Doppler ultrasonography in the diagnosis and treatment of uterine scar pregnancy.Methods The sonographic characteristics of 34 patients of uterine scar pregnancy were analyzed.The changes of blood flow and the resistance index(RI)were compared before and after conservative treatment.Meanwhile,the therapeutic effect was evaluated referencing to the changes of β-hCG in blood.Results Uterine scar pregnancies were classfied into three subtypes according to ultrasonic characteristics:Type Ⅰ:embryo sac(n =16 cases);Type Ⅱ:asymmetrical mass(n =14);Type Ⅲ:mixed type(embryo sac+asymmetrical mass,n =4).Peri-myometrium of the gastrula and the mass had abundant blood flow and lower RI before treatment,while rare blood flow and middle RI were found 4 weeks after treatment.There was statistical significance in the change of RI between before and four weeks,after treatment.Conclusion Uterine scar pregnancy has characteristic ultrasonogram.Color Doppler ultrasound may precise diagnose and localize uterine scar pregnancy,playing an important role in guiding the conservative treatment schedule,evaluating the therapeutic effect and following-up of these patients.
【CateGory Index】: R445.1;R714.22
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