Diagnosis of meniscal tear of knee joint by SWI sequence: a feasibility study

赵骏; 陈伟; 周代全; 王健; 彭旭; 段小军; 黎川; 文亚名

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Diagnosis of meniscal tear of knee joint by SWI sequence: a feasibility study

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- Diagnosis of meniscal tear of knee joint by SWI sequence: a feasibility study
- Journal of Army Medical University Vol. 34, Issue 19, Pages: 2002-2004(2012)
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  CLC： R445.2;R684;R814
- Published：2012
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赵骏,陈伟,周代全,王健,彭旭,段小军,黎川,文亚名.SWI序列诊断膝关节半月板撕裂的可行性研究[J].陆军军医大学学报(原第三军医大学学报),2012,34(19):2002-2004.

　Zhao Jun,Chen Wei,Zhou Daiquan,Wang Jian,Peng Xu,Duan Xiaojun,Li Chuan,Wen Yaming.Diagnosis of meniscal tear of knee joint by SWI sequence: a feasibility study[J].J Amry Med Univ (J Third Mil Med Univ),2012,34(19):2002-2004.
赵骏,陈伟,周代全,王健,彭旭,段小军,黎川,文亚名.SWI序列诊断膝关节半月板撕裂的可行性研究[J].陆军军医大学学报(原第三军医大学学报),2012,34(19):2002-2004. DOI：

　Zhao Jun,Chen Wei,Zhou Daiquan,Wang Jian,Peng Xu,Duan Xiaojun,Li Chuan,Wen Yaming.Diagnosis of meniscal tear of knee joint by SWI sequence: a feasibility study[J].J Amry Med Univ (J Third Mil Med Univ),2012,34(19):2002-2004. DOI：

摘要

目的探讨磁敏感加权成像（susceptibility weighted imaging

SWI）技术诊断膝关节半月板撕裂的可行性。方法对40名临床怀疑半月板损伤患者，行MRI T

WI和T

WI-FS、SWI序列扫描，以膝关节镜为金标准对照，比较SWI与T

WI及T

WI-FS诊断半月板撕裂的敏感性、特异性、准确性和诊断效果。结果 T

WI序列敏感性为76.3%，特异性为50.0%，准确性为75.0%；T

WI-FS序列敏感性为71.1%，特异性为100.0%，准确性为72.5%；SWI序列敏感性为94.7%，特异性为50.0%，准确性为92.5%。T

WI序列和T

WI-FS序列与SWI相比一致性较差，Kappa值分别为0.391和0.288，诊断效果有显著性差异(P0.05)。结论 SWI序列能够应用于膝关节半月板撕裂的诊断，且敏感性和准确性优于T

WI序列和T

WI-FS序列。

Abstract

Objective To study the feasibility of susceptibility weighted imaging in diagnosis of meniscus tear of knee joint. Methods Forty patients with suspected meniscus tear of knee joint underwent MRI scanning of T

WI-FS and SWI sequences. The sensitivity

specificity

accuracy and diagnostic outcome of T

WI-FS and SWI sequences were compared with arthroscopy as the golden standards. Results The sensitivity

specificity and accuracy of T

WI-FS and SWI sequence

s were 76.3%

50.0% and 75.0%

respectively; 71.1%

100.0% and 72.5%

respectively; and 94.7%

50.0% and 92.5%

respectively

for the diagnosis of meniscus tear of knee joint. The consistency of T

WI and T

WI-FS sequences was poorer than that of SWI sequence in diagnosis of meniscus tear of knee joint (P0.05). The Kappa value was 0.391 and 0.288

respectively

for T

WI-FS and SWI sequences. The diagnostic outcomes of meniscus tear of knee joint were significantly different between T

WI-FS and SWI sequences (P0.05). Conclusion The SWI sequence can be used in diagnosis of meniscus tear of knee joint

and its sensitivity and accuracy are better than the T

WI and T

WI-FS sequences.

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