Compared with venous phase imaging, arterial phase imaging was noncontributory in all cases.
动脉期与静脉期比较，未提供肠壁、肠管外病变的更多信息。
There are three characteristics: 1. The tumour in arterial and venous phase appears with irregular stain of fluorescence;
其表现特征是瘤体动静脉期出现不规则的斑状荧光；
The left transverse sinus is not well seen. Multiple engorged pial veins are seen on the delayed venous phase (Figure 13).
左侧横窦显示不清，在静脉延迟像可见多个充血的大脑静脉。
On cerebral angiography, the classic "Medusa head" appearance is visualized on the venous phase, with the arterial and capillary phases normal.
脑血管造影，表现为静脉期典型的海蛇头征，动脉期和微血管期表现正常。
Objective the arterial phase and portal venous phase scan with helical ct was applied to analyze the characteristic of small hepatocellular carcinomas (SHCC).
目的应用螺旋CT行肝动脉期与门静脉期双期扫描分析小肝癌的诊断特征。
Objective the arterial phase and portal venous phase scan with helical ct was applied to analyze the characteristic of small hepatocellular carcinomas (SHCC).
目的应用螺旋CT行肝动脉期与门静脉期双期扫描分析小肝癌的诊断特征。
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