4.2对门静脉系统各支的显示质量分别为：门静脉主干(Main portal vein, MPV)达Ⅰ级的10例(15.6%),Ⅱ级39例(60.9%),Ⅲ级15例(23.4%),Ⅳ级无。
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Results The main portal vein appearance was accordant with 3d ce MRP and direct X-ray portography in all cases.
结果3d CE MRP和直接门静脉造影显示门静脉主干的结果完全一致。
The postoperative complications were associated with the change of hepatic blood flow and velocity in the main portal vein.
术后并发症与肝血流、门静脉主干血流速度变化有关。
Results color Doppler ultrasound showed honeycomb-shaped, the multi-strip expansion tube structure within filled with the portal vein type blood stream around main portal pain and branches.
结果彩色多普勒超声显示门静脉主干及周围分支呈蜂窝状、多条迂曲扩张的管状结构，内充满门静脉样血流。
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