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膝关节痛风性关节炎的MRI表现及临床分析 被引量:6

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摘要 目的 分析膝关节痛风性关节炎(GA)的MRI表现及临床特点,提高诊断准确率.方法 回顾性分析经临床及病理证实的14例19个膝关节GA的MRI及临床资料.结果 19个膝关节中,左膝8个,右膝11个.临床均表现为程度不等的关节疼痛及活动痛.MRI均见受累关节软组织偏侧性肿胀,12个关节软骨受累,9个见松质骨水肿,7个关节腔及滑膜囊积液.11个见痛风结节,位于关节滑膜、骨内或关节腔,边界较清晰,最大直径4 ~ 48 mm.痛风结节T1WI为等或较低信号,T2WI多数为不均匀较高信号,少数为等或较低信号.9个见邻近骨质不规则压迫、变薄或囊样、穿凿样破坏,7个关节间隙变窄并伴有周边骨质增生硬化;3个出现关节间隙明显变窄.结论 MRI有利于显示膝关节GA早期的软组织病变,轻微的软骨、骨质破坏,尤其是对非钙化痛风结节显示较佳,对膝关节GA的诊断具有重要价值.
出处 《中国医师进修杂志》 2015年第5期368-370,共3页 Chinese Journal of Postgraduates of Medicine
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参考文献10

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