大量的结节包绕肺门旁的支气管和血管。

Numerous nodules surround the central bronchi and vessels.

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目的研究肝小血管瘤(SHHE)在螺旋CT多期(动脉期、门脉期和延迟期)增强扫描中的表现，提高诊断水平。

Objective To investigate the features of the enhancement of small hepatic hemangioma (SHHE) at multiphase spiral ct scanning and improve the diagnosis.

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结论视网膜中动脉可能与肾脏、脾脏的血流动力学变化有关，同样与组织学、门脉高压多普勒参数和血管收缩系统的活性有关。

Conclusion CRA seems to be relate to the renal and splenic hemodynamics, also relate to the histology, the Doppler parameters of portal hypertension and the activity of vasoconstrictor systems.

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