肱骨小头剥脱性骨软骨炎的MRI表现与手术对照分析

目的:探讨肱骨小头稳定型和不稳定型剥脱性骨软骨炎的MRI表现.方法:回顾性分析16例MRI诊断为肱骨小头剥脱性骨软骨炎患者的病例资料,其中有10例经手术证实.结果:I0例患者中病变均位于肱骨小头的前外侧面.6例为稳定型、4例为不稳定型剥脱性骨软骨炎.不稳定型病变在T2 WI上骨软骨片与母骨间有条状高信号或囊状高信号；稳...

MRI findings of osteochondritis dissecans of the humeral capitellum correlated with surgical findings

Objective： To discuss the MRI findings of osteochondritis dissecans of the capitellum of humerus and to correlate the imaging findings with surgical findings in terms of the stability.Methods：The MRI and surgical data were analyzed retrospectively in sixteen patients,from which month 2002 to which month 2010.,Ten of them were confirmed by operation.Results：All the lesions in the ten patients were located on the anterolateral aspect of the capitellum.Six patients had stable osteochondritis dissecans lesion and four had unstable osteochondritis dissecans lesion.There were linear high signal intensity or cystic high signal intensity in both bone plate and primitive bone on T2-weighted MR imaging in unstable osteochondritis dissecans lesion,while there were no high signal intensity in stable osteochondritis dissecans lesion.Conclusion：There was a good correlation between MRI findings of osteochondritis dissecans of the capitellum and the surgical findings.It could be divided into stable osteochondritis dissecans lesion and unstable osteochondritis dissecans lesion according to T2-weighted MRI which is significant for clinical therapy.