【摘要】 目的:研究剥脱性骨软骨炎(OCD)的MRI表现。方法:回顾性分析40例经膝关节镜及手术证实的剥脱性骨软骨炎MRI影像资料。评价剥脱性骨软骨炎的MRI特点。结果:OCDMRI表现为关节承重部位软骨下骨质缺损区。40例OCDMRI表现可分为Ⅵ型:Ⅰ型4例,Ⅱ型13例,Ⅲ型12例,Ⅳ型3例,Ⅴ型7例,Ⅵ型1例。结论:OCD在MRI有特征性表现,MRI对其可作出明确诊断。更多还原

【Abstract】 Objective:To study MRI manifestations of osteochondritis dissecans.Methods:40 cases with osteochondritis dissecans proved by arthroscopy and operation were reviewed and their MRI findings were analyzed retrospectively. Results:The femoral condyle was the most commonly affected place in the knee.40 cases were classified into several types:4 cases of type Ⅰ,13 type Ⅱ,12 type Ⅲ,3 type Ⅳ,7 type Ⅴ and 1 type Ⅵ.Conclusion:Osteochondritis dissecans has specific MRI manifestations which are much helpful to the diagnosis.更多还原