MRI appearance of the lateral fibulotalocalcaneal ligament complex injury in the patients with chronic lateral ankle instability |
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| Affiliation: | 1. Department of Orthopaedic Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minamiku, Hiroshima 734-8551, Japan;2. Medical Center for Translational and Clinical Research, Hiroshima University Hospital, 1-2-3 Kasumi, Minamiku, Hiroshima 734-8551, Japan;1. Department of Orthopedic Surgery, Clinique Rive Gauche, 49 allée Charles de Fitte, 31300 Toulouse, France;2. Department of Orthopedic Surgery, Jose R. Reyes Memorial Medical Center San Lazaro Compound, Rizal Avenue Sta. Cruz, Manila, Metro Manila 1012, Philippines;1. Schön Klinik München Harlaching — FIFA Medical Centre, 81547 Munich, Germany;2. Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, Germany;1. Department of Orthopedic Surgery, Osaka Medical and Pharmaceutical University, 2-7, Daigaku-machi, Takatsuki 569-8686, Japan;2. Department of Orthopedic Surgery, Nishinomiya Kyoritsu Neurosurgical Hospital, 11-1, Imazuyamanaka-Cho, Nishinomiya 663-8211, Japan;3. Faculty of Nursing, Osaka Medical and Pharmaceutical University, 7-6, Hatchonishi-machi, Takatsuki 569-0095, Japan |
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| Abstract: | BackgroundThe anterior talofibular ligament (ATFL) comprises the superior and inferior fascicles. The inferior fascicle is connected to the calcaneofibular ligament, and forms “lateral fibulotalocalcaneal ligament (LFTCL) complex”. This study aimed to evaluate the feasibility of diagnosing LFTCL complex injuries in patients with chronic lateral ankle instability (CLAI).MethodsForty-eight ankles (35 with CLAI and 13 without CLAI) underwent arthroscopic surgery, and preoperative magnetic resonance imaging (MRI) was conducted with 0.8 mm- thick axial and oblique slices. The diagnostic accuracy of injuries to the superior fascicle and LFTCL complex was evaluated by two observers.ResultsThe sensitivity and specificity of the LFTCL complex injury were 94.7% and 92.3% for observer 1 and 84.2% and 84.6% for observer 2, respectively.ConclusionsMRI with 0.8 mm slices could detect LFTCL complex injury in patients with CLAI. Diagnosing the LFTCL complex injury on MRI will improve outcomes of an arthroscopic isolated ATFL repair. |
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| Keywords: | Chronic lateral ankle instability MRI Anterior talofibular ligament Calcaneofibular ligament |
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