Objective to choose optimal injection rate in spiral ct portography (CTP) by comparing 3d CTP images using different injection rates.
目的通过比较使用不同注射速率所获得的螺旋CT门静脉造影(CTP)三维图像，优化注射速率的选择。
Objective: to evaluate the value of multi-detector row spiral ct portography (MDCTP) in demonstrating portal system and its collaterals in portal hypertension.
目的：评价多层螺旋CT门静脉成像(MDCTP)在门脉高压侧支循环血管显示中的价值。
Objective to compare the image quality of three-dimensional spiral ct portography (3d-sctp) produced by SSD with that by MIP and to make preliminary evaluation for its clinical application.
目的比较最大强度投影(mip)和表面遮盖显示(SSD)两种三维螺旋CT门静脉成像(3d - SCTP)重建方法的成像质量，初步评价3d - SCTP对肝硬化门静脉高压患者的临床应用价值。
Objective: to evaluate the clinical value of spiral ct during arterial portography (SCTAP) in judgment of cirrhosis and portal hypertension.
目的：评价螺旋CT经动脉门静脉造影(SCTAP)对肝硬化、门静脉高压判断的临床价值。
Objective: to evaluate the clinical value of spiral ct during arterial portography (SCTAP) in judgment of cirrhosis and portal hypertension.
目的：评价螺旋CT经动脉门静脉造影(SCTAP)对肝硬化、门静脉高压判断的临床价值。
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