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原发性肝癌的螺旋CT双期增强特征及其诊断价值
【摘 要】 目的：探讨原发性肝癌的螺旋CT双期增强特征及其诊断价值。材料和方法：回顾性分析56例经临床及手术病理证实的原发性肝癌双期增强表现。结果：56例共发现82个病灶。平扫呈低密度或等密度；肝动脉期91％强化，9％无明显强化；门脉期76％呈低密度或稍低密度，病灶密度呈“速升速降”的变化特点。结论：螺旋CT双期扫描可充分反映原发性肝癌的特征，对肝癌的检出和定性准确率的提高有重要价值。【关键词】 肝肿瘤；螺旋CT； 诊断 The diagnoses value of dual phase spiral CT in primary hepatocellular carcinoma and scanning characteristic. 【Abstract】Objective: Evaluation the characteristic and diagnoses value with dual phase spiral CT in primary hepatocellular Carcinoma. Material and methods : We review analyse 56 examples hepatocellular Carcinoma that had approved by pathology verify or surgical operation dual-phase spiral CT scanning characteristic. Results: 56 examples find 82 focuses altogether. They were reveal the low density or the low density slightly in plain scanning; 91% of Primary liver cancer were enhanced in arterial phase. 9% were not enhanced obviously; 76% were reveal the low density or the low density slightly in portal venous phase, focus presents the change characteristic of" rising and lower rapidly " by density. conclusion: Dual phase spiral CT is a important value in the detection and charaterization of primary hepatocellular Carcinoma , it can improve rate of accuracy examine and determine the nature .【Key Words】 Liver neoplasm, Spiral CT, Diagnoses 以往常规CT扫描时间较长，很难抓住全肝的动脉期，定性诊断有一定困难。近年来出现的螺旋CT，扫描速度快，一次注射造影剂可获得全肝动脉期、门脉期和延迟期像，提高了肝癌的检出率和诊断的准确率。现对56例原发性肝癌的螺旋CT双期增强扫描表现进行分析，旨在探[1] [2] [3]
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