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首页> 问答> 如何判断膝盖韧带断裂

如何判断膝盖韧带断裂

2025-08-033

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如何判断膝盖韧带断裂

如何判断膝盖韧带断裂

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  • 主任医师 解答

    可通过多个方面来判断膝盖韧带断裂，包括外伤史、症状表现、体征检查、影像学检查、关节镜检查等。

    1.外伤史

    通常有较为严重的膝盖扭伤或直接暴力撞击等外伤情况。如果遭受了强大的外力作用，导致膝盖过度屈伸、旋转等，就可能引起韧带断裂。

    2.症状表现

    会出现明显的疼痛，且疼痛往往较为剧烈，可导致活动受限。同时可能伴有膝盖肿胀、淤血，关节不稳定感，感觉膝盖有错动感或要脱位的感觉。

    3.体征检查

    医生进行体格检查时，可发现抽屉试验、拉赫曼试验等特殊检查结果异常，提示韧带可能存在损伤或断裂。比如抽屉试验阳性，说明前后交叉韧带可能出现问题；拉赫曼试验阳性则提示前交叉韧带损伤。

    4.影像学检查

    磁共振成像（MRI）对诊断膝盖韧带断裂具有重要意义，能清晰显示韧带的形态、连续性等情况。通过MRI可明确看到韧带是否完整，以及具体的损伤程度。

    5.关节镜检查

    这是诊断的“金标准”，可直接观察韧带的情况，明确是否断裂以及其他关节内的损伤情况。但通常是在考虑手术治疗时才会进行关节镜检查。

    如果怀疑膝盖韧带断裂，应及时就医，进行详细的检查和评估，以便准确诊断，并采取合适的治疗措施，避免延误病情导致更严重的后果。

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