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The collateral ligaments: normal and pathologic appearances on MRI

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF RADIOLOGY
Issue:
11
DOI:
10.3760/j.issn:1005-1201.2001.11.003
Key Word:
侧副韧带;膝损伤;磁共振成像

Abstract: 目的研究正常和损伤的膝关节侧副韧带的MRI表现.方法对经手术或临床证实的32例共36条损伤的侧副韧带与56例正常膝关节进行回顾性MRI对比观察.结果正常胫、腓侧副韧带在T1和T2WI上均呈扁平条状低信号结构,平均长度分别为6.8 cm和5.7 cm.36条侧副韧带损伤,单纯胫侧副韧带损伤18条,单纯腓侧副韧带损伤12条,两侧侧副韧带同时损伤3例6条.Ⅰ级侧副韧带损伤18条;Ⅱ级侧副韧带损伤11条;Ⅲ级侧副韧带损伤7条. 25例(78%)出现并发症,其中前交叉韧带损伤13条、后交叉韧带损伤9条、半月板损伤12个,骨挫伤和骨折7例,关节囊积液20例. 结论 MRI 能清楚显示膝关节侧副韧带解剖结构,能准确诊断侧副韧带损伤并进行分级,还能发现多种并发症,宜列为膝关节外伤的常规检查.

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