目的通过与关节镜结果检查对照，评价高频超声对膝关节滑膜病变的诊断价值。
Objective To evaluate the diagnostic value of high frequency ultrasound in synovial diseases of the knee joint compared with the results of arthroscopy.
结果膝关节镜检查发现7例髌骨软骨骨折、3例股骨髁软骨骨折、6例胫骨平台软骨骨折。
Cartilage fracture was detected in the patella in 7, in the femur condyle in 3 and the tibial plateau in 6 cases.
结论MRI对急性关节软骨损伤的显示准确，MRI结合关节镜检查可准确评价急性膝关节损伤的范围、程度，可决定治疗方案。
Combined with arthroscopy, MRI can succeed in assessing the extension and degree of acute articular injury and allowing treatment planning.
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