Summary
Examination of the knee joint by magnetic resonance imaging (MRI) is a noninvasive technique of proven reliability as regards lesions of the menisci and ligaments [3, 4, 11]. It provides good definition of the different anatomic structures [10]. The meniscofemoral ligaments have been observed with varying frequency and may be responsible for false images [5, 16, 17]. However, it is important to detect them in cases of hypermobile discoid menisci of the ‘Wrisberg ligament type’ in order to guide the surgeon in their excision during total meniscectomy [2, 7]. We have attempted to assess the ability of MRI to visualise the meniscofemoral ligaments in correlation with an anatomic study and to identify certain anatomic pitfalls. This study will allow better investigation of the hypermobile menisci associated with the meniscofemoral ligaments. A clinical case is reported to illustrate its practical importance.
Resumé
L'exploration du genou en imagerie par résonance magnétique (IRM) est une technique non agressive qui a fait la preuve de sa fiabilité en pathologie ménisco-ligamentaire [11, 4, 3]. Elle permet d'obtenir une bonne définition des différentes structures anatomiques [10]. Les ligaments méniscofémoraux ont été observés avec une fréquence variable et peuvent être responsables d'images pièges [5, 16, 17]. Leur détection est cependant importante en cas de ménisques discoïdes hyper-mobiles, “Wrisbergligament-type”, afin de guider le chirurgien dans leur exérèse au cours de la méniscectomie totale [7, 2]. Nous nous proposons d'évaluer les capacités de l'IRM à visualiser les ligaments méniscofémoraux en correlation avec une étude anatomique, et de déterminer certains pièges anatomiques. Cette étude permettra une meilleure exploration des ménisques hypermobiles associés aux ligaments méniscofémoraux. Un cas clinique est rapporté illustrant cet intérêt pratique.
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Hassine, D., Feron, J., Henry-Feugeas, M. et al. The meniscofemoral ligaments: magnetic resonance imaging and anatomic correlations. Surg Radiol Anat 14, 59–63 (1992). https://doi.org/10.1007/BF01628044
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DOI: https://doi.org/10.1007/BF01628044