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螺旋ＣＴ（ｓｐｉｒａｌ ｃｏｍｐｕｔｅｄ ｔｏｍｏｇｒａｐｈｙ，ＳＣＴ）诊断肺栓塞（ｐｕｌｍｏｎａｒｙ Ｅｍｂｏｌｉｓｍ，ＰＥ）已得到认可，但其中扫描方式，造影剂的用量及扫描延迟时间与常规扫描方法不同，故选择最佳扫描参数，是ＰＥ螺旋ＣＴ扫描成功的关键，也是能
Spiral CT (CT) diagnosis of pulmonary embolism (pulmonary Embolism, PE) has been recognized, but the scanning mode, the amount of contrast media and scan delay time and conventional scanning method is different, so choose the best scan parameters, PE Spiral CT scan the key to success, but also can