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《Chinese Journal of Reparative and Reconstructive Surgery》 2015-01
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SPECIFIC DIAGNOSTIC SIGNIFICANCE OF “RIPPLE SIGN” OF MEDIAL FEMORAL CONDYLE UNDER ARTHROSCOPE IN MEDIAL LONGITUDINAL MENISCAL TEARS

REN Shiyou;SUN Limang;CHEN Guofei;JIANG Changqing;ZHANG Xintao;ZHANG Wentao;Clinical College,Anhui Medical University & Peking University Shenzhen Hospital;Department of Sports Medicine and Rehabilitation,Peking University Shenzhen Hospital;  
Objective To investigate the reliability of the "ripple sign" on the upper surface of the medial femoral condyle in the diagnosis of medial longitudinal meniscal tears under arthroscope. Methods Between June 2013 and June 2014,56 patients with knee injuries were included. There were 35 males and 21 females with an average age of 22.2 years(range,12-38 years). The causes of injury were sports in 40 cases,falling in 10 cases,and traffic accident in 6 cases. The injury was located at the left knee in 22 cases and at the right knee in 34 cases. The disease duration was 10-40 days(mean,20.2 days). Of 56 patients,15 cases had simple medial meniscal injury; 41 cases had combined injuries,including anterior cruciate ligament injury in 38 cases,posterior cruciate ligament injury in 2 cases,and patellar dislocation in 1 case. The "ripple sign" was observed under arthroscope before operation. Repair of medial meniscal injury and reconstruction of cruciate ligament were performed. Results The positive "ripple sign" was seen under arthroscope in all patients,who were diagnosed to have longitudinal meniscal tears,including 23 cases of mild "ripple sign",28 cases of moderate "ripple sign",and 5 cases of severe "ripple sign". Conclusion The "ripple sign" on the upper surface of the medial femoral condyle is a reliable diagnostic evidence of medial longitudinal meniscal tears.
【CateGory Index】: R687.4
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