目的探讨螺旋CT平扫与强化扫描肺实质密度测量在周围性肺栓塞诊断中的作用。
Objective to assess the value of helical ct densitometry in diagnosing peripheral pulmonary embolism (PE).
结论：3d CE MRPA对周围性肺栓塞有较高的诊断敏感性，是诊断周围性肺栓塞的理想方法。
Conclusion: With high sensitivity, 3d CE MRPA is an ideal method in diagnosing peripheral pulmonary embolism.
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