Why the study?
Does the lateral notch sign on plain radiographs correlate with acute anterior cruciate ligament disruption and specific patient characteristics or associated injuries?
Does the lateral notch sign on plain radiographs correlate with acute anterior cruciate ligament disruption and specific patient characteristics or associated injuries?
The lateral notch sign is not exclusively a sign of chronic ACL deficiency, but is also prospectively recognized in acute ACL disruptions, correlating with young age, male sex, and lateral meniscus tears.
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Lateral notch sign on radiographs may signal acute ACL injury and associated lesions; leaves open its diagnostic role pending prospective validation.
Garth et al. (2000) studied this question.
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