CTA显示梗塞区血管痉挛、收缩、中断，显示出血区造影剂外漏、局部呈无血管区。
CTA scanning revealed blood vessels convulsion, constriction and obstruction in infarct area.
在结节硬化型何杰金氏淋巴瘤中，常常在淋巴结内部可见边界十分清楚的圆形无血管或少血管区域，如图5所示。
In Hodgkin's lymphomas of nodular sclerosis type, extremely rounded and very well demarcated avascular or hypovascular intra-parenchymal areas are frequently seen, as shown in Figure 5.
在结节硬化型何杰金氏淋巴瘤中，常常在淋巴结内部可见边界十分清楚的圆形无血管或少血管区域，如图5所示。
In Hodgkin's lymphomas of nodular sclerosis type, extremely rounded and very well demarcated avascular or hypovascular intra-parenchymal areas are frequently seen, as shown in Figure 5.
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