MRI Study of the Symptomatic Bone Infarction with Systemic Lupus Erythematosus
Objective To investigate the value of MRI in the diagnosis of bone infarction with systemic lupus erythematosus(SLE).Methods Retrospective analysis of clinical data and MRI images of 19 SLE patients with symptomatic bone infarction who visited our hospital.Results(1)All 19 cases were multiple,A total of 97 lesions,involving 77 bones which located in distal femur and proximal tibia primarily.(2)91 lesions demonstrated map changes typically,6 lesions demonstrated long T1 and long T2,short T2 focally.(3)19 lesions demonstrated single-ring-sign,1 lesions demonstrated double-ring-sigh,71 lesions demonstrated three-ring-sign.(4)19 cases had joint effusion,and 17 cases with 23 articular surfaces involved.Conclusion The MRI findings of bone infarction with SLE are various forms and signals of bone destruction,MRI can early evaluate the scope and degree,providing certain assistance for the clinical diagnosis and treatment.
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