结果正常组30例SCTPA均能很好地显示并区分中央区肺动静脉，显示外周肺血管的分布情况。
Results SCTPA could clearly show central and peripheral pulmonary vessels and differentiate central pulmonary artery and vein in all 30 cases of normal group.
动乱的外周循环作为一个潜在的原因，区进行了讨论。
Disturbances in peripheral circulation as a potential cause of RSD are discussed.
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