[1]王亚永,潘国平,王玉芬,等.Ramp损伤的MRI表现特征[J].中医正骨,2022,34(03):42-44.
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Ramp损伤的MRI表现特征()
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《中医正骨》[ISSN:1001-6015/CN:41-1162/R]

卷:
第34卷
期数:
2022年03期
页码:
42-44
栏目:
影像诊断
出版日期:
2022-03-20

文章信息/Info

作者:
王亚永潘国平王玉芬王国平
(宁波市第六医院,浙江 宁波 315040)
关键词:
膝关节 前交叉韧带损伤 Ramp损伤 磁共振成像
摘要:
目的:探讨Ramp损伤的MRI表现特征。方法:回顾性分析21例前交叉韧带(anterior cruciate ligament,ACL)断裂合并Ramp损伤患者的病例资料。男16例,女5例。年龄13~51岁,中位数28岁。由2名高年资影像专业医师分析其MRI资料,采用Greif等提出的Ramp损伤分型标准划分Ramp损伤类型,总结Ramp损伤的MRI表现特征。结果:本组21例,Ramp损伤3B型2例、4A型13例、5型6例。脂肪抑制质子密度加权像(fat suppression-proton density weighted imaging,FS-PDWI)上21例患者的ACL均呈明显高信号,纤维束部分或全部断裂。19例矢状位FS-PDWI上内侧半月板后角红区形态不规则,呈垂直或斜形高信号并累及关节面; 2例矢状位FS-PDWI上半月板胫骨韧带内侧半月板后角附着处不连续,呈高信号填充,残端韧带走行扭曲。4例矢状位及横断位FS-PDWI显示胫股关节不稳,胫骨相对股骨前移、旋转; 12例矢状位、冠状位及横断位FS-PDWI上胫骨内侧平台后缘呈斑片状高信号,提示胫骨内侧平台后缘骨挫伤。结论:Ramp损伤的MRI表现特征多为FS-PDWI上内侧半月板后角红区形态不规则,呈垂直或斜形高信号并累及关节面; 或半月板胫骨韧带内侧半月板后角附着处不连续,呈高信号填充; 部分胫骨相对股骨前移旋转,胫骨内侧平台后缘呈斑片状高信号。

参考文献/References:

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(收稿日期:2021-11-09 本文编辑:吕宁)

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备注/Memo

备注/Memo:
通讯作者:王亚永 E-mail:alicer252@163.com
更新日期/Last Update: 1900-01-01