![]() ![]() The average cross angle was not significantly different between the two groups (SER group = 19.4°, PER group = 17.6°). Results: The PMF in the SER group mainly had a posterolateral shape, whereas that in the PER group mainly had a posteromedial two-part shape or a large posterolateral triangular shape (P = 0.02). The cross angle (α), fragment length ratio (FLR), fragment area ratio (FAR), sagittal angle (θ), and fragment height (FH) were measured to assess the morphological characteristics of the PMF. The PMF type of the two groups was assessed using the Haraguchi and Jan Bartonicek classification. The patients were divided into two groups: 76 ankles in the supination-external rotation (SER) stage IV group and 31 ankles in the pronation-external rotation (PER) stage IV group. Methods: We retrospectively analyzed CT data of 107 patients (107 ankles) who underwent surgery for trimalleolar fracture from January 2012 to December 2014. The purpose of this study was to evaluate the morphological characteristics of the PMF according to the ankle fracture pattern described in the Lauge-Hansen classification by using computed tomography (CT) images. Young Yi, Dong-Il Chun †, Sung Hun Won, Suyeon Park, Sanghyeon Lee and Jaeho Choīackground: The posterior malleolar fragment (PMF) of an ankle fracture can have various shapes depending on the injury mechanism. Morphological characteristics of the posterior malleolar fragment according to ankle fracture patterns: a computed tomography-based study. GEOPS (Grupo de Estudio de la Osteoporosis)īMC Musculoskeletal Disorders (2018) 19:51.Sesiones Clínicas Interhospitalarias Online SOGACOT. ![]()
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