【摘 要】
：
目的:探讨肝细胞癌的MR特征及MR诊断价值。方法:回顾性分析52例肝细胞癌患者的MR资料,MR扫描包括横轴位T1WI、脂肪抑制T2WI平扫,横轴位三维动态增强T1WI以及脂肪抑制轴位及冠
论文部分内容阅读
目的:探讨肝细胞癌的MR特征及MR诊断价值。方法:回顾性分析52例肝细胞癌患者的MR资料,MR扫描包括横轴位T1WI、脂肪抑制T2WI平扫,横轴位三维动态增强T1WI以及脂肪抑制轴位及冠状位T1WI延迟扫描。结果:所有肝细胞癌T2WI均呈稍高或高信号,T1WI呈等、高或低信号;13例在T1WI上见假包膜,2例在T2WI上见假包膜,均呈低信号;增强扫描49例病灶动脉期明显强化,3例动脉期无明显强化,但门静脉期及延迟期均呈不均匀低信号,35例见假包膜强化。43例合并肝硬化结节MR表现为T1WI等或稍高信号,T
其他文献
1引言缸体是发动机的重要部件，零件结构复杂，其毛坯件经过精密铸造而成。如图1所示，缸体的前后端面油封面在机械加工时，以两销孔定位，通过数控机床加工，在检测时需送到专门三坐标测
瓦尔特开创了金属切削材料的新纪元。继推出世界首创的“PVD Tiger”之后，瓦尔特又向市场推出了全新的产品，新一代的CVD涂层切削材料Tiger·tec Silver。现场测试和试验结
Introduction: Corneal thickness measurement is an indirect assessment of the physiological corneal function in human eye. This value, especially in the central
春秋时,一次晋国将与楚国在城濮交战。当时楚国军势强大,晋文公召集大夫咎犯(狐偃)商讨对策,问道:“楚国兵势众多,我国军力单薄,应该怎样战胜楚国呢?”咎犯回答说:“主公只
Purpose:When Coronary Computed Tomography (CCT) detects coronary obstruction, patients are regularly referred to invasive angiogram. With higher sensitivity tha
目的:观察静脉注射巴曲酶治疗糖尿病合并脑梗死的疗效和安全性。方法:将64例糖尿病合并脑梗死患者随机分为两组,其中对照组32例采用常规治疗,观察组32例在常规治疗基础上加用
Purpose: To evaluate qualitative and quantitative CT perfusion (CTP) for different treatment options of delayed cerebral ischemia (DCI) in aneurysmal SAH. Metho
A 65-year-old woman with no history of previous flank trauma, renal stone or upper urinary tract infections, presented for flank pain and left hydro-uretero-nep
对６１例急性呼吸衰竭进行气管插管机械通气患者，分别用硫糖铝和甲氰咪胍预防应激相关性上消化道出血，观察防治效果及对呼吸机相关性肺炎（ＶＡＰ）发病率的影响，结果显示，两组患者消化道出血发
Objectives: Evaluation of radiation efficiency of dual source high-pitch (DSHP) chest CT in comparison to single source technique with special regards to indivi