顺磁对比剂在低场MRI中的诊断价值(附406例分析)  

The Diagnostic Value of Paramagnetic Contrast Media in MagneticResonance Imaging(MRI)of low Field(A Report of 406 Cases)

作　　者：任转琴 王景安[1] 齐秋绪 殷艳蓉[1] 

机构地区：[1]陕西省宝鸡市中心医院MRI室,陕西宝鸡721008

出　　处：《实用放射学杂志》2002年第9期806-808,共3页Journal of Practical Radiology

摘　　要：目的　研究低场MRI顺磁对比剂用量 ,给药速度及成像时间等。方法　 40 6例全身各部位病变患者以 0 .1～ 0 .15mmol kg之剂量 ,于 60s内注完行Gd -DTPA增强扫描 ,观察其增强效果。结果　 40 6例中病灶强化 3 3 7例 (83 % ) ,9例平扫未见病变显示了强化 ,19例增加了病灶显示数目 ,5例于延迟强化扫描发现新病灶。结论　以上述剂量及注射速度临床应用安全 ,副作用小 ,显影效果好 ,尤其对病变涉及血脑屏障 (BBB)Objective To research paramagnetic contrast media(PCM)dose,injection speed and imaging time etc in low field MRI.Methods 406 patients with lesions spreading all over the body received Gadolinium-DTPA-enhanced scan by bolus injection with the dose of 0.1～0.15 mmol/kg within 60 seconds,and the effects of contrast-enhanced were observed.Results Among 406 patients lesions,337 cases(83%)were enhanced,9 undiscovered lesions displayed enhancement on the precontrast views,5 cases were discovered new lesions in delaying enhancement scan.Conclusion It is safe to apply the above mentioned dose and injection speed in clinic.The side-effects is small,and the development effect is good.It is especially important for lesions involving the structure of the blood brain barrier(BBB).

关 键 词：顺磁对比剂 GD-DTPA 低场强MRI MRI增强扫描 给药速度 成像时间 剂量 血脑屏障 

分 类 号：R814.43[医药卫生—影像医学与核医学] R445.2[医药卫生—放射医学]