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目的探究X线平片和超声联合诊断在膝关节滑膜骨软骨瘤病诊断中的临床应用效果。方法回顾分析2010年3月~2014年12月在我院治疗的资料较完整的40例膝关节滑膜骨软骨瘤病例，全部病例术前均作了X线平片、超声以及X线平片和超声联合检查，以手术后病理结果为诊断标准，对比三种诊断方法对膝关节滑膜骨软骨瘤病的临床诊断效果。结果患者的X线平片、超声、联合诊断以及病理检查对膝关节滑膜骨软骨瘤病的结节诊断结果显示：X线平片诊断准确率66.9%(480/717)，超声诊断准确率85.4%(612/717)，联合诊断诊断准确率95.5%(685/717)，联合诊断准确性明显高于X线平片、超声，其差异显著具有统计学意义(<0.05)。结论在膝关节滑膜骨软骨瘤病的临床诊断中应用X线平片和超声联合诊断能够提高患者的临床诊断准确性，同时对结节有更清晰的显示。“,”Objective To explore the X-ray plain film and ultrasonic diagnosis in the diagnosis of knee joint synovial osteochondroma disease clinical application ef ect.Methods March 2010 to December 2014 in our hospital treatment of knee joint synovial membrane osteochondroma patients,40 cases of patients with X-ray plain film,ultrasonic diagnosis and X-ray plain film and ultrasonic diagnosis,diagnosis criteria for surgical pathologic results,comparing three methods of diagnosis of knee joint synovial membrane osteochondroma disease clinical diagnosis ef ect.Results Patients with X-ray plain film,ultrasonic,joint diagnosis and pathologic examination of the knee joint synovial nodules of osteochondroma disease diagnosis results show that the X-ray plain film diagnosis accuracy rate 66.9%(480/717),ultrasound diagnostic accuracy rate 85.4%(612/717),joint diagnosis diagnosis accuracy rate 95.5%(685/717),joint diagnosis accuracy is significantly higher than X-ray plain film, ultrasonic,the significant dif erence statistical y significant ( <0.05).Conclusion In clinical diagnosis of knee joint synovial osteochondroma il ness application of X-ray plain film and ultrasonic diagnosis can improve the accuracy of clinical diagnosis of patients,the nodules at the same time have a more clear.