膝关节滑膜血管瘤的MRI诊断(附7例报告)

JOURNAL OF PRACTICAL RADIOLOGY(2005)

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Abstract
目的探讨MRI对膝关节滑膜血管瘤的诊断价值.方法我院2025例膝关节MRI检查患者中经病理和临床检查证实的膝关节滑膜血管瘤7例(男2例,女5例),平均年龄25.1岁.7例术前均摄有X线平片.分析其MRI表现.结果病变仅位于髌下脂肪垫的4例,占57%,其余3例为髌下脂肪垫和髌上囊均被累及.MRI的信号改变分为3种类型:(1)T1、T2均呈低信号改变,病灶呈结节状2例;(2)T1等、低信号,T2高、低信号2例;(3)T1低信号为主,混有等信号2例;T2结节状或条状低信号、高信号混杂3例.病理组织成分不同,MRI表现各异.结论MRI表现与血管瘤的组织成分有关.
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Key words
synovial hemangioma,mri,diagnosis
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