Radiology:急性前交叉韧带撕裂膝关节后外侧角不稳MRI征象

2019-02-24 shaosai MedSci原创

本研究旨在验证MRI预测急性前交叉韧带(ACL)撕裂患者膝关节后外侧角不稳的诊断价值。

本研究旨在验证MRI预测急性前交叉韧带(ACL)撕裂患者膝关节后外侧角不稳的诊断价值。

本研究共纳入了162例ACL重建且有(n = 19)或无(n = 143)后外侧角(PLC)重建的患者。由两位放射科医生评价图像质量。计算影像学表现的诊断价值。以临床诊断后后外侧角不稳需要PLC重建为参考标准。利用决策树分析识别后外侧角不稳的影像学预测指标。

在有、无PLC重建的患者中,出现外侧副韧带撕裂分别为10/19 (52.6%)、7/143 (4.9%)例患者;出现后交叉韧带撕裂的患者分别为2/19 (10.5%)、5/143 (3.5%);出现腘肌腱撕裂的患者分别为3/19 (15.8%)、0/143 (0%);出现股二头肌肌腱撕裂的患者分别为4/19 (21.1%)、0/143 (0%)。PLA细小结构并不是总能够显示。外侧副韧带的完全撕裂或断开在需要PLC重建的患者更为常见(P < .001),决策树分析表明,该征象是预测后外侧角不稳的最显着预测指标。两位阅片者正确预测后外侧角不稳的患者分别为147/162 (90.7%)、151/162 (93.2%)。

本研究表明,MRI上外侧副韧带撕裂或断开是预测后外侧角不稳的显着预测指标。评价后外侧角细小结构并不能提高诊断能力。

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    2019-02-24 123ba698m96暂无昵称

    学习了

    0

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    2019-02-24 清风拂面

    谢谢分享学习

    0