The intraluminal defect or no contrast medium in distant pulmonary arteries can be seen on the DSA.Multiple pulmonary segments perfusion defects were seen on pulmonary perfusion imaging.

 
  • 肺动脉造影图像表现为肺动脉分支出现充盈缺损或截断改变,肺灌注显像表现为多发的呈肺段分布的放射性减低或缺损。
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