磁共振成像技术在产前诊断中的作用

Application of prenatal magnetic resonance imaging in pregnancy diagnosis

产前磁共振成像检查技术在产前诊断中的作用日益重要。与超声相比 ,作为一种可选的影像学检查方法 ,磁共振在对于超声不能够单独作出诊断或对异常分类困难的病例中发挥着越来越重要的作用。当前快速单次激发磁共振序列 ,如True FISP或HASTE序列可对活动的胎儿进行高分辨率、高质量的成像。应努力提高我国产前磁共振成像检查的水平。

Application of prenatal magnetic resonance imaging in pregnancy diagnosis is more and more importance. Compared with ultrasound, as a method of choice for screening examinations of the fetus,MR imaging is playing an increasingly important role in the detection and classification of malformations not diagnosable by ultrasonography alone. Recently, fast single-shot MR sequences,including a true fast imaging steady precession (true-FISP) or a half-Fourier acquired single-shot turbo spin-echo (HASTE) sequence have allowed high-resolution and high quality of imaging for the moving fetus. It is importance to improve the level of prenatal magnetic resonance imaging in China.