肾动脉闭塞是指肾动脉主干或较大分支由于血管壁或血液因素导致肾动脉腔内发生的完全闭塞，按起病缓急分为急性及慢性。急性肾动脉闭塞经常是因为腔壁血栓引起的栓塞或肾动脉急性血栓形成，慢性肾动脉闭塞多在肾动脉狭窄基础上逐渐出现完全堵塞。
肾动脉闭塞的诊断正确率为100%。
The diagnostic accurate rate of renal artery occlusion was 100%.
结果肾上腺血肿11例，伴有肾动脉闭塞2例，表现为肾动脉突然截断，以及“边缘征”。血肿表现为圆形、类圆形或团块状高密度影，并有肾上腺周围组织损伤。
Results There were adrenal hematomas in 11 cases, among them, 2 cases accompanied with renal arterial occlusion, appeared as renal arterial ruptured suddenly and "interface sign".
结论近肾动脉腹主动脉闭塞症的诊断除根椐临床症状和体征外需进一步行血管造影、MRI、CTA等检查。
Conclusion Except that according to the clinical symptonis and signs, the angiography, MRI and CTA are necessary to confirm the diagnosis of Justarenal aortic occlusion.
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