摘要
目的 回顾性分析小肝癌（SHCC）MRI尤其动态增强扫描的表现，加深对其认识。方法MR检查扫描包括化学位移成像，FRFSET2WI，3DFSPGRTIWI，3DMR动态增强扫描。结果 18例SHCC共23个结节，多发5例，单发13例，最大径1．3—3．0cm，平均2．4cm。T2WI高或稍高信号22个，低信号1个，正相位高信号、反向位信号减低3个，正相位和反向位均呈高信号4个，正相位和反向位均呈低信号14个，脂肪抑制3DT1WI呈等信号3个，低信号10个，高信号10个，7个结节见假包膜征。动态增强扫描动脉期至延迟期无明显强化1个病灶，动脉期明显强化22个病灶，其中门脉期强化有所减退19个，等信号3个，延迟期呈低或稍低信号2O个，等信号2个。延迟期见包膜样强化13个。结论 MRI平扫加动态增强扫描，绝大多数SHCC都能明确诊断。
Objective To analyze the appearance of the Small Hepatic Cell Carcinoma（SHCC） by MRI, especially by dynamic enhancement scan retrospectively , so as to further comprehend it. Methods To make all the patients accept the MR scanning including Chemical shift imaging, FRFSE T2WI, 3D FSPGR T1WI and 3-dimensional dynamic contrast enhanced MRI, and then analyze the characteristic of the images. Results 23 noduses were discovered in all 18 patients of SHCC, including 5 multiple and the other 13 solitary. The maximum diameter of the nodus was 1.3cm to 3.0cm , and the average diamater was 2.4cm. All of the nodus , 22 showed hypso-signal or slightly hypso-signal, 1 hypo-signal;3 hypso-signal in ophase and hypo-signal in rephase, 4 hypso-signal in both ophase and rephase, 14 hypo-signal in both ophase and rephase;3 homosignal in 3D FSPGR T1WI, IO hypso-signal, lO hypo-signal; 7 nodus showed the signs of pseudocapsule. In dynamic contrast enhanced MRI scan, 1 nodus showed an-vis intensive from arterial phase to lag period, 22 evident intensive in arterial phase, including 19 nodus showed less intensive, 3 homo-signal in pylic phase：20 hypso-signal or slightly hypso-signal, 2 homosignal in lag period. 13 nodus showed the signs of pseudo-capsule in lag periods. Conclusions Most of the SHCC can be diagnosed demonstrably by the routine MR scaning and dynamic contrast enhanced MRI scaning.
出处
《国际医药卫生导报》
2007年第3期31-34,共4页
International Medicine and Health Guidance News
关键词
小肝癌
磁共振成像
动态增强
The Small Hepatic Cell Carcinoma Magnetic resonance imaging Dynamic Contrast Enhanced
