- 期刊
Associated Injuries of Bone, Articular Cartilage, and Meniscus with Acute and Chronic Anterior Cruciate Ligament Insufficiency
並列摘要
Ninety-four patients with complete anterior cruciate ligament (ACL) tears composed of 42 acute and 52 chronic cases, which were documented by arthroscopy and preoperatively evaluated by the magnetic resonance image (MRI). Seventy-nine percent of acute patients hed a bone bruise present on the MRI, with 86% of these signal abnormalities in the lateral joint compartment. And there was 50% of chronic patients who had a subcortical osteosclerosis on the MRIs; with 91% of these signal abnormalities in the lateral joint compartment. With a bone lesion at MRI, the corresponding change of an overlying articular cartilage injury at arthroscopy would be more detectable in chronic cases. Lateral meniscal tears were found in 60% of acute patients and medial meniscal tears were in 32%; the former maintained fairly constant but the latter increased to 73% when the chronicity of injury increased. The most common location of a meniscal tear was in the lateral meniscal posterior portion in both groups. The incidence of the simultaneous injury of a bone and a meniscus in the lateral joint compartment was 57% in acute group, which increased to 76% in chronic. In chronic. In front of probable bony, chondral and meniscal injuries in a traumatic knee, it is important that patients with ACL insufficiency be thoroughly evaluated by MRI and arthroscopy to identify these associated injuries.
延伸閱讀
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