Diagnostic Value of Transvaginal Colour Doppler Ultrasonic Examination for Cesarean Scar Pregancy

Objective To explore the clinical value of transvaginal ultrasonic on cesarean scar pregnancy.Method The transvaginal ultrasound imaging of 27 patients with cesarean scar pregnancy and their clinical treatments(2006 to 2011) were retrospectively analyzed.Result(1) All cases were verified by clinical and pathologic results,including 18 with gastrula type,7 with commix mass type and 2 with uterine cavity type.26 cases were correcty diagnosed by ultrasound and there was 1 case of misdiagnosis,with the correct diagnosis rate of 96.4%;(2) We classified all cases into 3 grades according to the relationship between the gestational sac or mass and the myometrum.14 case in grade1 were successfully treated by expertant treatment.Out of 11 cases in grade 2,8 cases were successfully treated by expectant treatment and the other cases were treated by uterus neoplasty.2 cases in grade 3 were treated by uterus neoplasty.Conclusions Transvaginal color Doppler ultrasound is one of the best methods for the diagnosis of the pregnancy in the uterine scar of previous caesarean section.The relationship between the gestational sac or mass and the myometrium in the ultrasound imaging,and the results of color dopplor benefit the proper choice of clinical treatment.