滑膜肉瘤MRI影像特征与组织病理学的相关性研究
R738.5%R730.44; 背景与目的:磁共振成像(magnetic resonance imaging,MRI)是检查软组织肿瘤最好的影像学方法.滑膜肉瘤是常见的恶性软组织肿瘤之一,本研究探讨滑膜肉瘤的MRI影像特征与病理组织学的相关性,以期提高MRI对该肿瘤的诊断水平.材料和方法:12例滑膜肉瘤均经手术病理证实,位于上肢2例,位于下肢10例;患者年龄35～50岁,中位年龄45岁;男女比例为3:1.MRI扫描采用PHILIPS GYROSCAN 0.5T超导型磁共振成像系统,扫描序列采用SF、FSE、FFE和Stir等序列,所有病例均作T1WI、T2WI和T1W Gd-DTPA静脉内注射...
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| Published in | 癌症 Vol. 24; no. 1; pp. 87 - 90 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
中山大学附属第二医院,放射科,广东,广州,510120
2005
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1000-467X |
| DOI | 10.3321/j.issn:1000-467X.2005.01.018 |
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| Abstract | R738.5%R730.44; 背景与目的:磁共振成像(magnetic resonance imaging,MRI)是检查软组织肿瘤最好的影像学方法.滑膜肉瘤是常见的恶性软组织肿瘤之一,本研究探讨滑膜肉瘤的MRI影像特征与病理组织学的相关性,以期提高MRI对该肿瘤的诊断水平.材料和方法:12例滑膜肉瘤均经手术病理证实,位于上肢2例,位于下肢10例;患者年龄35～50岁,中位年龄45岁;男女比例为3:1.MRI扫描采用PHILIPS GYROSCAN 0.5T超导型磁共振成像系统,扫描序列采用SF、FSE、FFE和Stir等序列,所有病例均作T1WI、T2WI和T1W Gd-DTPA静脉内注射增强扫描检查.取手术标本进行病理学检查,比较滑膜肉瘤MRI影像学表现与病理组织学的关系.结果:MRI可见12例肿块均位于关节旁,其中2例向关节内侵犯,3例侵犯邻近的骨质.在T1W 12例肿块均呈以等信号为主的肿块,但其中3例肿块可见部分斑片状和囊状高信号区.在T2W6例肿块信号表现为三重信号;6例肿块表现为多结节状,3例呈不规则状,3例为圆形或椭圆形肿块.5例肿瘤内可见分隔征象,液-液平面征1例,肿块最大直径3～13 cm.T1W Gd-DTPA增强肿块均呈明显不均匀性强化.12例滑膜肉瘤病理分型:低分化单相梭形细胞为主型7例,高分化3例;双相分化2例.肿块内有大范围出血和囊性变6冽,大量瘤组织坏死5例,钙化2例.结论:滑膜肉瘤的MRI具有一些特征性,并和肿瘤的组织学类型具有一定相关性. |
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| AbstractList | R738.5%R730.44; 背景与目的:磁共振成像(magnetic resonance imaging,MRI)是检查软组织肿瘤最好的影像学方法.滑膜肉瘤是常见的恶性软组织肿瘤之一,本研究探讨滑膜肉瘤的MRI影像特征与病理组织学的相关性,以期提高MRI对该肿瘤的诊断水平.材料和方法:12例滑膜肉瘤均经手术病理证实,位于上肢2例,位于下肢10例;患者年龄35～50岁,中位年龄45岁;男女比例为3:1.MRI扫描采用PHILIPS GYROSCAN 0.5T超导型磁共振成像系统,扫描序列采用SF、FSE、FFE和Stir等序列,所有病例均作T1WI、T2WI和T1W Gd-DTPA静脉内注射增强扫描检查.取手术标本进行病理学检查,比较滑膜肉瘤MRI影像学表现与病理组织学的关系.结果:MRI可见12例肿块均位于关节旁,其中2例向关节内侵犯,3例侵犯邻近的骨质.在T1W 12例肿块均呈以等信号为主的肿块,但其中3例肿块可见部分斑片状和囊状高信号区.在T2W6例肿块信号表现为三重信号;6例肿块表现为多结节状,3例呈不规则状,3例为圆形或椭圆形肿块.5例肿瘤内可见分隔征象,液-液平面征1例,肿块最大直径3～13 cm.T1W Gd-DTPA增强肿块均呈明显不均匀性强化.12例滑膜肉瘤病理分型:低分化单相梭形细胞为主型7例,高分化3例;双相分化2例.肿块内有大范围出血和囊性变6冽,大量瘤组织坏死5例,钙化2例.结论:滑膜肉瘤的MRI具有一些特征性,并和肿瘤的组织学类型具有一定相关性. |
| Author | 叶瑞心 梁碧玲 刘庆余 陈建宇 钟镜联 |
| AuthorAffiliation | 中山大学附属第二医院,放射科,广东,广州,510120 |
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