<正>CDFI(color Doppler flow imaging)——彩色多普勒血流成像CT(computed tomography)——计算机断层成像CTA——CT血管造影PET(positron emission tomography)——正电子发射计算机断层显像DSA(digital subtraction angiography)——数字减影血管造影技术MRI(magnetic resonance imaging)——磁共振成像