IMR Press / CEOG / Volume 45 / Issue 5 / DOI: 10.12891/ceog4257.2018

Clinical and Experimental Obstetrics & Gynecology (CEOG) is published by IMR Press from Volume 47 Issue 1 (2020). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on as a courtesy and upon agreement with S.O.G.

Original Research
The application of contrast-enhanced ultrasound in the diagnosis of cesarean scar pregnancies
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1 Clinical College of Central Obstetrics and Gynecology, Tianjin Medical University, Tianjin, China
2 Department of Ultrasound, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin, China
3 Department of Obstetrics and Gynecology, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin, China
Clin. Exp. Obstet. Gynecol. 2018, 45(5), 731–734;
Published: 10 October 2018

Purpose: The aim of this study was to evaluate whether contrast-enhanced ultrasound (CEUS) could be used as a method for diagnosing cesarean scar pregnancy (CSP). Materials and Methods: This retrospective study reviewed medical records, CEUS results, and clinical outcomes of 30 women with CSP, admitted to the Hospital of Obstetrics and Gynecology. The women initially underwent transvaginal ultrasound followed by CEUS, using a contrast agent. The CSP lesions were classified into three types: first-trimester gestation sac type, first-trimester mass type, and second-trimester gestation sac type. Results: CEUS showed hyper-enhancement and rapid accumulation of contrast agents in the CSP lesions in the first two types and in the affected muscular layer in the third type, where the placenta accreta was confirmed histopathologically. Conclusion: CEUS can indirectly identify the intrusion of the lesion implanting into the muscular layer and give more diagnostic information before specific treatment for CSP.
Cesarean scar pregnancy
Transvaginal ultrasound
Contrast-enhanced ultrasound
Contrast agents
Cesarean delivery
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