Abstract #2976

Predict intraoperative hemorrhage during curettage treatment of cesarean scar pregnancy using free-breathing GRASP DCE-MRI

Zhigang Wang¹, Fengleng Yang¹, Chunying Liu¹, Fang Wang¹, Ying Ying Xiong², Qiang Zhang², Meining Chen ³, and Hua Lai¹

¹Radiology, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Scienc, Chengdu, China, ²Gynecology, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Scienc, Chengdu, China, ³MR Scientific Marketing, Siemens Healthineers, Shanghai, China

Synopsis

Keywords: Urogenital, Reproductive, Cesarean Scar Pregnancy; Dynamic Magnetic Resonance Imaging; Dynamic Contrast Enhancemen; Prediction Ability; Surgical RiskCesarean scar pregnancy (CSP) is a rare form of ectopic pregnancy with curettage often being the first-line treatment. However, uncontrollable intraoperative hemorrhage is one of common complications during the treatment, making its prediction a critical for treatment planning. The aim of this study was to explore the feasibility of using GRASP DCE-MRI to characterize peritrophoblastic perfusion and predict intraoperative hemorrhage for CSP. The study found that presurgical Wash-in, TTP, iAUC, Ktrans, and Ve were significantly different between hemorrhage and non-hemorrhage groups identified during curettage. The ROC-AUC analysis further demonstrated their capability of serving as intraoperative hemorrhage predictors for CSP.

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