Invasive placenta previa: Placental bulge with distorted uterine outline and uterine serosal hypervascularity at 1.5T MRI - useful features for differentiating placenta percreta from placenta accreta

作者

Chen, X;Shan, RQ;Zhao, LX;Song, QX;Zuo, CT;Zhang, XJ;Wang, SS;Shi, HL;Gao, F;Qian, TY;Wang, GB;Limperopoulos, C

作者单位

[Chen, Xin; Zhang, Xinjuan; Wang, Shanshan; Shi, Honglu; Gao, Fei; Wang, Guangbin] Shandong Univ, Shandong Med Imaging Res Inst, Dept MR, 324 Jingwu Rd, Jinan 250021, Shandong, Peoples R China.;-;[Shan, Ruiqin] Jinan Matern & Child Care Hosp, Dept Obstet, 2 Jianguoxiaojingsan Rd, Jinan 250001, Shandong, Peoples R China.;-;[Zhao, Lianxin] Shandong Univ, Qilu Hosp, Dept Radiol, 107 Wenhua Xi Rd, Jinan 250012, Shandong, Peoples R China.;-;[Song, Qingxu] Shandong Univ, Qilu Hosp, Dept Radiat Oncol, 107 Wenhua Xi Rd, Jinan 250012, Shandong, Peoples R China.;-;[Zuo, Changting] Shandong Univ, Shandong Prov Hosp, Dept Obstet & Gynaecol, 107 Wenhua Xi Rd, Jinan 250012, Shandong, Peoples R China.;-;[Qian, Tianyi] Siemens Healthcare, MR Collaborat NE Asia, Beijing 100000, Peoples R China.;-;[Limperopoulos, Catherine] Childrens Natl Hlth Syst, Div Diagnost Imaging & Radiol, Washington, DC 20010 USA.;-;[Limperopoulos, Catherine] George Washington Univ, Sch Med, Dept Radiol, Washington, DC 20052 USA.

摘要

To characterise MRI features of invasive placenta previa and to identify specific features for differentiating placenta percreta (PP) from placenta accreta (PA).;-;Forty-five women with PP and 93 women with PA who underwent 1.5T placental MRI were included. Two radiologists independently evaluated the MRI features of invasive placenta previa, including our novel type of placental bulge (i.e. placental bulge type-II, characterized by placental bulge with distorted uterine outline). Pearson's chi-squared or Fisher's two-sided exact test was performed to compare the MRI features between PP and PA. Logistic stepwise regression analysis and the area under the receiver operating characteristic curve (AUC) were performed to select the optimal features for differentiating PP from PA.;-;Significant differences were found in nine MRI features between women with PP and those with PA (P < 0.05). Placental bulge type-II and uterine serosal hypervascularity were independently associated with PP (odds ratio = 48.618, P < 0.001; odds ratio = 4.165, P = 0.018 respectively), and the combination of the two MRI features to distinguish PP from PA yielded an AUC of 0.92 for its predictive performance.;-;Placental bulge type-II and uterine serosal hypervascularity are useful MRI features for differentiating PP from PA.

关键词

ABNORMAL PLACENTATION; ULTRASOUND; DIAGNOSIS; PREGNANCY; SPECTRUM; US

基本信息

所属机构:

归属医师: 左常婷

UT：000418576300029

刊名:EUROPEAN RADIOLOGY

年，卷(期):2018年28卷2期

页码：708-717

DOI：10.1007/s00330-017-4980-z

附件：

收录: SCIE