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目的讨论不典型骨髓炎的X线、CT和MR影像比较.方法本文回顾性分析在本院同时做X线、CT和MR等检查且经病理证实的20例不典型骨髓炎患者的影像资料,观察不典型骨髓炎X线、CT和MR等影像特点.结果 X线检查可以发现明显的骨膜反应、骨皮质增厚、骨质破坏、骨质硬化、髓腔受累、死骨形成、软组织肿胀.CT检查在发现骨膜反应、死骨形成方面具有优势.MRI检查在发现骨质破坏、髓腔受累、软组织肿胀方面具有优势.在诊断不典型骨髓炎方面,螺旋CT及MRI检查优于X线检查.结论 CT、MRI对不典型骨髓炎的诊断对比X线检查有一定优势,但X线检查具有快捷、费用低廉的优点,在疾病的普查方面具有一定优势,3种检查互补可以更加准确的诊断不典型骨髓炎. “,”Objective To discuss the atypical osteomyelitis of the X-ray,CT and MR imaging. Methods In our hospital were retrospectively analyzed in this paper at the same time to do the examination such as X-ray,CT and MR and confirmed by pathology in 20 patients with atypical osteomyelitis of image data,observation of atypical osteomyelitis X-ray,CT and MR imaging characteristics. Results X-ray can find obvious periosteal reaction and bone cortex thickening,bone destruction,bone sclerosis,the involvement of the medullary cavity,dead bone formation and soft tissue swelling.Periosteal reaction and CT examination in found dead bone formation has the advantage.MRI in bone destruction,the involvement of the medullary cavity,has the advantages of soft tissue swelling.In the diagnosis of atypical osteomyelitis,spiral CT and MRI is superior to X-ray. Conclusion CT and MRI in the diagnosis of atypical osteomyelitis contrast X-ray have certain advantages,but X-ray possesses the advantages of fast,cheap,has a certain advantage in disease census,three kinds of complementary can be more accurate diagnosis of atypical osteomyelitis.