Sports-Related Meniscal Injury
Meniscal lesions are frequent in both the general and the athletic population and may cause severe functional impairment. In this chapter, the (micro)anatomy, vascularization and function of the menisci are described. In the event of a suspected meniscal
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Introduction
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Anatomy and Function
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Epidemiology of Meniscal Injuries
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4 I maging of the Meniscus 4.1 Plain Radiography and Conventional Arthrography 4.2 Ultrasound 4.3 Magnetic Resonance Imaging 4.4 CT Arthrography
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5 T herapeutic Management in Athletes 5.1 Conservative Treatment 5.2 Surgical Interventions
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6 I maging of the Post-operative Meniscus 6.1 MR Appearance After (Partial) Meniscectomy 6.2 MR Appearance After Meniscus Repair 6.3 MR Appearance After Meniscal Replacement
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E. De Smet (*) · P. Van Dyck · J. Gielen Department of Radiology, University Hospital Antwerp, Edegem, Belgium e-mail: [email protected] F. M. Vanhoenacker Department of Radiology, University Hospital Antwerp, Edegem, Belgium Department of Radiology, AZ Sint-Maarten, Mechelen, Belgium Department of Radiology, Ghent University Hospital and Ghent University, Ghent, Belgium
6.4 C onventional MR Versus MRA Versus CTA in the Post-operative Meniscus 000 pecific Sports and Overuse S Trauma of the Meniscus 7.1 Injury Mechanisms in Sports Injury 7.2 Symptomatic and Asymptomatic Meniscal Lesions in Athletes 7
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Conclusion
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Imaging Boxes
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References
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Abstract
Meniscal lesions are frequent in both the general and the athletic population and may cause severe functional impairment. In this chapter, the (micro)anatomy, vascularization and function of the menisci are described. In the event of a suspected meniscal injury, conventional radiography and arthrography are no longer recommended. Conventional MRI has become the preferred imaging modality, if necessary followed by MR (or CT) arthrography in the postoperative meniscus. Correct description of tears seen on MRI is essential, as it may guide treatment. The major classifications of meniscal lesions are described as well as some more rare lesions that can be seen in athletes. It must however be stressed that correlation with clinical information is of utmost importance, as some meniscal lesions may be asymptomatic and do not require treatment.
Med Radiol Diagn Imaging (2020) https://doi.org/10.1007/174_2020_244, © Springer Nature Switzerland AG
E. De Smet et al.
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Introduction
Meniscal injuries are very common among professional and amateur athletes and are a major cause of functional impairment of the knee. It is the most common indication for arthroscopic surgery of the knee. For athletes, unnecessary treatment or intervention may be as damaging to a competitive future as failure to diagnose a clinically significant injury. Therefore, rapid and accurate evaluation of possible injuries in this group is crucial (Ludman et al. 1999). Acquisition of a precise history of the injury mechanism may be difficult, as is performance of an accurate physical examination in the setting of an acute injury (Karachalios et al. 2005). Magnetic resonance imaging (MRI) is performed more co
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