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股骨头缺血性坏死磁共振诊断 被引量:2

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摘要 目的:探讨MRI对股骨头缺血性坏死(ANFH)的诊断价值。方法:回顾分析对随访确诊21例ANFH的MRI影像学资料,分析其对ANFH的显示及诊断能力。结果:本组21例ANFH MR检查病例中Ⅰ~Ⅱ期9例,表现为病灶多局限于股骨头前上部分,呈斑片状T1WI低、T2WI压脂高信号区和T2WI压脂"单线征"或"双线征"。Ⅲ~Ⅴ期12例,表现为不规则片状长T1长T2信号,骨质碎裂,关节面塌陷及关节间隙狭窄。各期均可伴发或不伴发不同程度关节积液。结论:MRI诊断股骨头缺血坏死有明显优势,对各期病变均能做出明确诊断,对于早期病变更有不可替代的优势。MRI在ANFH诊断中作用显著,是诊断ANFH的可靠手段。
作者 朱杰
出处 《中国社区医师(医学专业)》 2012年第20期250-251,共2页
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