MR Imaging of the Hypermobile Lateral Meniscus of the Knee: A Case Report

<p><strong>Objective. </strong>The hypermobile lateral meniscus of the knee is a rarely described entity. In this case report we aim to draw attention to the clinical presentation and MR imaging findings of this pathology.</p><p><strong>Case Report. </strong>We review the clinical and imaging findings that led to the diagnosis of hypermobile lateral meniscus with transient subluxation causing intermittent locking, and which subsequently led to successful surgical treatment.</p><p><strong>Conclusion. </strong>Hypermobile lateral meniscus is rarely diagnosed prospectively on MR imaging. A better understanding of this uncommon condition will lead to prompt diagnosis and effective treatment, with a better outcome for the patient.</p>