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目的讨论CT与MRI膝关节平扫，诊断半月板损伤的优缺点、准确率及相互对比。方法利用CT和MRI平扫诊断。结果37例患者，CT诊断准确率占59%，MRI诊断准确率占97%，CT发现胫腓骨细微骨折、钙化。MRI发现髌上囊、关节囊少量积液、韧带损伤及变性等异常。结论 CT与MRI两项平扫各具优势，MRI发现病变更多。随着MRI在基层医院应用与开展对膝关节半月板损伤的影像学诊断将会>上一个新的高度。“,”Objective To discuss the CT and MRI knee scan,the advantages and disadvantages of the diagnosis of meniscal injury,accuracy,and compared to each other.Methods Using computed tomography (CT) and magnetic resonance imaging (MRI) scan the diagnosis.Results 37 cases of patients,the CT diagnostic accuracy was 59%,the MRI diagnostic accuracy was 97%,CT finding subtle tibiofibula fractures,calcification.MRI found capsule,joint capsule,a smal amount of ef usion,on the patel ar ligament damage and degeneration.Conclusion Both CT and MRI scan each has its advantages,MRI find out more.With MRI in basic-level hospitals application and imaging diagnosis of knee joint meniscus injury wil leap to a new height.