Abstract
Objective To explore sonographic features of the lower uterine segment cesarean section scar with early pregnancy,and to evaluate the diagnosis value of transvaginal ultrasound for lower uterine segment scar pregnancy.Methods The transvaginal color Doppler ultrasound was used in 15 cases of uterine scar pregnancy to check the next section to observe the location of the gestational sac,uterine incision site of the echo,the thickness of muscle scars,gestational sac and the uterine incision,and the relationship between blood flow distribution.Results In 15 cases of uterine scar pregnancy,ultrasound correctly diagnosed,14 cases of misdiagnosis,diagnostic coincidence rate was 93.3％.All patients with no intrauterine gestational sac surrounded by the trophoblast echogenic gestational sac audio and video,showed the lower uterine segment scar.We observed the scars were seen in the trophoblast with more abundant blood flow signals,measured by the CDFI RI of low resistance to blood flow,mean RI values less than 0.5.The imaging characteristics of the lower uterine segment scar in early pregnancy were divided into gestational sac integrity embedded in the scar at the embryo sac type,gestational sac to the intrauterine growth of the tomato,three types of abortion harem cavity mixed echo.Conclusions Transvaginal ultrasound in the early lower uterine segment cesarean section scar pregnancy has important diagnostic value. Key words: Transvaginal ultrasound; Cesarean section scar; Early pregnancy
Published Version
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