膝关节损伤的磁共振成像技术临床应用  

Clinical Application of Knee Joint Injure MRI Scanning Technique

作　　者：邓承健[1] 何卫红[1] 范锟[1] 胡锴[1] 

机构地区：[1]湖南省南华大学附属第二医院放射科,衡阳421001

出　　处：《中国医疗器械信息》2016年第6期41-43,共3页China Medical Device Information

摘　　要：目的:探讨膝关节损伤的磁共振成像技术临床应用,并应用改良质子密度加权(PDWI)扫描,对膝关节损伤磁共振扫描参数优化组合,提高影像图像质量。方法:采用GE SIGNA HDE 1.5T磁共振机对81例膝关节疼痛、外伤患者进行磁共振检查,扫描序列包括矢状位FSE T1WI、常规PDWI、改良PDWI冠状位FSE T1WI、常规PDWI、改良PDWI以及横断位FSE T2WI。所有PDWI及FSET2WI均采用化学饱和法脂肪抑制技术。结果:15例膝关节退行变;20例半月板变性;膝关节外伤46例,其中半月板撕裂21例。改良PDWI序列诊断半月板损伤优于其他序列。讨论:膝关节损伤的磁共振成像须采用多方位、多参数、多序列优化组合。改良fs PDWI诊断半月板损伤明显优于其他序列,图像质量高,能准确诊断半月板损伤程度、分级,为临床手术提供直接可靠的依据。To investigate clinical application of knee joint injure MRI scanning technique, and adopt improved Proton density weighted（PDWI） scanning, optimize MRI parameters of knee joint injure, and improve quality of image. Methods： 81 cases of patients with knee joint pain or injure received MRI examination by GE SIGNA HDE 1.5T. The scanning sequences included sagittal FSE T1WI, conventional PDWI, improved PDWI, coronal FSE T1WI and axial FSE T2WI. Fat saturation technique is applied to All PDWI and FSET2 WI. Results： Improved PDWI can outdo other scanning sequences. Conclusion： Parametric optimization should be applied to Knee joint injure MRI scanning technique. Improved PDWI, which provides identifiable ground for clinical operation, obviously outdo other scanning sequences.

关 键 词：膝关节 磁共振 成像技术 改良PDWI序列 

分 类 号：R445.2[医药卫生—影像医学与核医学]