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目的研讨距骨骨软骨损伤患者接受磁共振成像(MRI)技术检查的临床价值。方法从我院2014年1月-2016年6月选取48例距骨骨软骨损伤患者参与研究试验,上述患者均接受MRI技术检查,由Mintz评级法对软骨受损程度进行分级,并与其关节镜诊断资料进行对照。结果 48例患者均接受关节镜检查确诊病情,其中软骨损伤评级Ⅰ级者6例,Ⅱ级者10例,Ⅲ级者28例,Ⅳ级者4例。经MRI检查,准确检出者37例,准确率为77.1%(37/48),包括Ⅰ级-Ⅳ级各为16.7%、50.0%、96.4%和100%。结论在对Ⅲ、Ⅳ级距骨骨软骨损伤的检查上,MRI具有较高的准确性,虽然根据软骨下骨水肿可对受损软骨作出预测,但要准确分级仍较困难。
Objective To investigate the clinical value of magnetic resonance imaging (MRI) in patients with talar osteochondral injury. Methods From January 2014 to June 2016 in our hospital, 48 cases of talar osteochondral injury were enrolled in the study. The patients underwent MRI examination. The degree of cartilage damage was graded by Mintz grading method and compared with arthroscopic diagnosis Data contrast. Results All 48 patients were diagnosed by arthroscopy. Among them, 6 were grade Ⅰ with cartilage injury, 10 with grade Ⅱ, 28 with grade Ⅲ and 4 with grade Ⅳ. Thirty-seven cases were accurately detected by MRI. The accuracy was 77.1% (37/48), including 16.7%, 50.0%, 96.4% and 100% of grade Ⅰ-Ⅳ respectively. Conclusion In the examination of Ⅲ and Ⅳ talus osteochondral lesions, MRI has high accuracy. Although it is possible to predict the damaged cartilage according to subchondral bone edema, it is still difficult to accurately grade the lesions.