髌骨软化症的低场MRI诊断研究  

The Research of Low-Field MR Imaging in the Diagnosis of Chondromalacia Patellae

作　　者：王永栋[1] 亓建洪泰山医学院附属医院骨外科 赵敏[2] 朱建忠[1] 徐荣春[1] 宋兴军[1] 

机构地区：[1]泰山医学院附属医院CT,MRI影像中心,山东泰安271000 [2]章丘市人民医院放射科

出　　处：《实用放射学杂志》2002年第4期303-305,共3页Journal of Practical Radiology

摘　　要：目的　探讨髌骨软化症的低场MRI表现特点及诊断价值。方法　应用 0 .3TeslaMRI装置对 37例确诊为髌骨软化症的病例进行MRI检查 ,结合关节镜和手术结果对MRI表现进行回顾性对照分析 ,探讨不同程度软骨损伤的MRI表现特点。结果　以关节镜和手术结果为金标准 ,MRI诊断CMP的准确性为 79.4% ,其中早期 2 8.6 % ,晚期 92 .6 %。结论　低场MRI诊断晚期髌骨软化症准确性高 ,可作为判断髌骨软化症的首选无创性检查方法。Objective To evaluate the imaging characteristics of chondromalacia patellae(CMP)in low-field MR and the value of MR in diagnosis.Methods 37 cases with CMP proved by arthroscopy and/or operation were carefully examined by 0.3 Tesla permanent magnet MR unit.The results of MRI were retrospectively analyzed according to that of arthroscopy and operation to search for the MR imaging manifestations of different degrees of patellae cartilage injuries in CMP.Results According to the golden-standard by arthroscopy and operation as for CMP,the overall diagnostic accuracy of MRI was 79.4%,with 28.6% accuracy in the early phase,92.6% in the late phase of CMP.Conclusion Low-field MR imaging is accurate in diagnosing CMP in the late phase and should be suggested as a useful nontraumatic imaging modality in the assessment of CMP before arthroscopy and operation.

关 键 词：磁共振成像 髌骨软化症 低场MRI诊断 研究 

分 类 号：R681.8[医药卫生—骨科学] R445.2[医药卫生—外科学]