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膝关节骨挫伤的MRI诊断 被引量:1

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摘要 目的探讨骨挫伤的磁共振成像(MRI)应用,总结MRI在骨挫伤及隐性骨折诊断中的价值。方法总结分析X线及CT检查为阴性,但MR检查确诊为骨挫伤及隐性骨折的68例膝关节创伤病历。结果68例膝关节骨挫伤病例X线平片及CT未见骨结构及骨密度改变。而MRI显示骨皮质下区骨质呈形态各异(地图状、斑片状或不规则)长T1信号,其中8例隐性骨折,TZWI脂肪抑制病变呈高信号,皮质见轻度断裂。结论MRI对骨髓变化具有很高敏感性,尤其是STIR序列及脂肪抑制FSE序列的应用对于发现骨髓细微的病变及增加病变的检出率有很大帮助,目前MR是诊断骨挫伤的唯一检查方法,可以减少误诊或漏诊。
作者 崔洁 孙晓杰
出处 《职业与健康》 CAS 2006年第17期1408-1410,共3页 Occupation and Health
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