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The Archives of Bone and Joint Surgery، جلد ۷، شماره ۱، صفحات ۰-۰
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عنوان انگلیسی Quantitative 3-dimensional Computerized Tomography Modeling of Isolated Greater Tuberosity Fractures with and without Shoulder Dislocation
چکیده انگلیسی مقاله Background: The aim of this study was to assess differences in fracture morphology and displacement betweenisolated greater tuberosity (GT) fractures (i.e. fractures of the greater tuberosity without other fractures of the proximalhumerus) with and without shoulder dislocation utilizing quantitative 3-dimensional CT imaging.Methods: Thirty-four CT-scans of isolated greater tuberosity fractures were measured with 3-dimensional modeling.Twenty patients (59%) had concomitant dislocation of the shoulder that was reduced prior to CT-scanning. Wemeasured: degree and direction of GT displacement, size of the main fracture fragment, the number of fracturefragments, and overlap of the GT fracture fragment over the intact proximal humerus.Results: We found: (1) more overlap –over the intact humerus– in patients without concomitant shoulder dislocationas compared to those with shoulder dislocation (P=0.03), (2) there was a trend towards greater magnitude ofdisplacement between those without (mean 19mm) and those with (mean 11mm) a concomitant shoulder dislocation(P=0.07), and (3) fractures were comparable in direction of displacement (P=0.50) and size of the fracture fragment(P=0.53).Conclusion: We found substantial variation in degree and direction of displacement of GT fracture fragments. Variationin degree of overlap and displacement is partially explained by concomitant shoulder dislocation.Level of evidence: IV
کلیدواژه‌های انگلیسی مقاله humerus, Fracture, greater tuberosity, Q3DCT, shoulder
نویسندگان مقاله | Stein J. Janssen
Department of General Surgery, OLVG, Amsterdam, The Netherlands


| Prakash Jayakumar
Orthopaedic Hand and Upper Extremity Service, Harvard Medical School, Massachusetts General Hospital, Boston, MA


| Dirk P. Ter Meulen
Department of Orthopaedic Surgery, OLVG, Amsterdam, The Netherlands


| Derek F.P. Van Deurzen
Department of Orthopaedic Surgery, OLVG, Amsterdam, The Netherlands


| David Ring
Department of Surgery, Dell Medical School, University of Texas, Austin, TX
نشانی اینترنتی http://abjs.mums.ac.ir/article_11639.html
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نوع مقاله منتشر شده RESEARCH PAPER
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