摘要:目的探讨MRI在膝关节半月板撕裂诊断中的应用价值。方法回顾性分析因膝关节疾患而行膝关节镜和MRI检查的50例(50膝)患者的临床资料。分析膝关节半月板撕裂的MRI表现,并与关节镜检查结果相对照。结果本组50例(50膝)、100个半月板中,MRI检查明确诊断半月板撕裂12个,其中内侧半月板6个、外侧半月板6个;经关节镜证实半月板撕裂10个,其中内侧半月板5个、外侧半月板5个,其余2个半月板关节镜下肉眼未见明显撕裂;MRI诊断半月板损伤的敏感度为80.5%,特异度为98.0%,准确度为95.6%,阳性预测值为92.0%,阴性预测值为96.1%。结论MRI是诊断半月板撕裂的极有价值的诊断方法,MRI与关节镜诊断结合能够提高半月板损伤的诊断率。
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