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中华诊断学电子杂志 ›› 2021, Vol. 09 ›› Issue (01) : 26 -29. doi: 10.3877/cma.j.issn.2095-655X.2021.01.007

所属专题: 经典病例 文献

病例诊断思维

早孕期胎儿法洛四联症的超声诊断特征
栾泽东1, 杨楠2,(), 张晓平1, 王晓燕1, 邹艳丽1, 刘亚琴1, 王好玲1, 张锦婷1   
  1. 1. 261400 莱州市妇幼保健院超声科
    2. 261400 莱州市妇幼保健院外科
  • 收稿日期:2020-11-10 出版日期:2021-02-26
  • 通信作者: 杨楠
  • 基金资助:
    莱州市科技计划项目(201830)

Prenatal ultrasonic diagnostic features of tetralogy of Fallot in early pregnancy

Zedong Luan1, Nan Yang2,(), Xiaoping Zhang1, Xiaoyan Wang1, Yanli Zou1, Yaqin Liu1, Haoling Wang1, Jinting Zhang1   

  1. 1. Department of Ultrasound, Laizhou Maternity and Child Healthcare Hospital, Laizhou 261400, China
    2. Department of Surgery, Laizhou Maternity and Child Healthcare Hospital, Laizhou 261400, China
  • Received:2020-11-10 Published:2021-02-26
  • Corresponding author: Nan Yang
引用本文:

栾泽东, 杨楠, 张晓平, 王晓燕, 邹艳丽, 刘亚琴, 王好玲, 张锦婷. 早孕期胎儿法洛四联症的超声诊断特征[J/OL]. 中华诊断学电子杂志, 2021, 09(01): 26-29.

Zedong Luan, Nan Yang, Xiaoping Zhang, Xiaoyan Wang, Yanli Zou, Yaqin Liu, Haoling Wang, Jinting Zhang. Prenatal ultrasonic diagnostic features of tetralogy of Fallot in early pregnancy[J/OL]. Chinese Journal of Diagnostics(Electronic Edition), 2021, 09(01): 26-29.

目的

探讨早孕期胎儿法洛四联症的超声诊断特征。

方法

回顾性分析2019年9月22日于莱州市妇幼保健院超声科行产前超声检查,并经病理解剖证实为法洛四联症的1例14周胎儿的产前超声资料,并文献复习。

结果

胎儿心脏超声声像图表现:四腔心切面显示心轴异常,三尖瓣反流,左心室流出道切面显示膜周部室间隔缺损,主动脉增宽且骑跨于室间隔之上,彩色多普勒血流显像显示收缩期左心室血流与右心室经室间隔缺损的血流共同进入主动脉,呈彩色"y"征,右心室流出道切面显示肺动脉细窄。病理解剖证实为法洛四联症。

结论

法洛四联症是最常见的圆锥动脉干畸形之一,超声检查无创,方法简单易行,可为法洛四联症产前早期诊断提供影像学依据。

Objective

To investigate the prenatal ultrasonic diagnostic features of tetralogy of Fallot(TOF) in early pregnancy.

Methods

The prenatal ultrasound data of a case of 14-week-old fetus with TOF, who was confirmed by pathological anatomy in the Ultrasound Department of Laizhou Maternity and Child Healthcare Hospital on September 22, 2019 were retrospectively analyzed, and literatures were reviewed.

Results

The prenatal echocardiography of TOF showed abnormal cardiac axis and tricuspid regurgitation in four chamber view. Perimembranous ventricular septal defect, widened aorta straddling the interventricular septum were showed in left ventricular outflow tract. Color Doppler flow imaging showed the color "y" sign, which was formed by left ventricular blood flow and right ventricular blood flow through ventricular septal which entered the aortic in systole together. Narrowed pulmonary artery was showed in right ventricular outflow tract. Pathological anatomy confirmed the diagnosis of TOF.

Conclusions

TOF is a common conotruncal defect. Ultrasonic examination is noninvasive and simple, which can provide imaging evidence for prenatal diagnosis of TOF.

图1 14周法洛四联症胎儿及早孕期正常胎儿心脏超声声像图 注:a图为TOF患儿左心室流出道切面超声图,示室间隔缺损,主动脉增宽、骑跨;b图为TOF患儿三血管切面图,示肺动脉细窄、主动脉增宽;c图为TOF患儿左心室流出道切面彩色血流图,示左心室血流与右心室经过室间隔缺损的血流共同进入升主动脉,形成彩色"y"征;d图为早孕期正常胎儿大动脉交叉彩色血流图,示主、肺动脉起始部交叉,形成彩色"X"征,与c图形成对比;e图为TOF患儿四腔心切面超声图,示心轴正常;f图为TOF患儿四腔心切面超声图,再次测量示心轴左偏。TOF为法洛四联症;LA为左心房;LV为左心室;RA为右心房;RV为右心室;AO为升主动脉;VSD为室间隔缺损;PA为肺动脉;SVC为上腔静脉;SP为脊柱;L为左侧;R为右侧
图2 14周法洛四联症引产儿心脏标本病理解剖图像 注:a图示主动脉粗大,肺动脉细窄;b图示肺动脉较主动脉明显细窄、室间隔缺损;c图示室间隔缺损;d图示室间隔缺损、主动脉增宽骑跨。IVS为室间隔;LV为左心室;DAO为降主动脉;RV为右心室;AO为升主动脉;VSD为室间隔缺损;PA为肺动脉;SVC为上腔静脉;SP为脊柱;L-LU为左侧肺脏;R-LU为右侧肺脏
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