caa a22 4500 60545681X CHVBK 20210128100220.0 cr unu---uuuuu 210128e20150901xx s 000 0 eng 10.1007/s00167-013-2671-0 doi (NATIONALLICENCE)springer-10.1007/s00167-013-2671-0 Anteroposterior translation of the glenohumeral joint in various pathologies: differences between shoulder MRI in the adducted neutral rotation and abducted externally rotated positions [Elektronische Daten] [Kyung Kim, Yong Rhee, Jin Park, Hyun Shin, Soo Cha, Jun Park, Sun Han, Jae Yang] Purpose: The present study was performed to determine the translation of the glenohumeral joint in patients with and without shoulder lesions by comparing the magnetic resonance images obtained in the conventional adducted neutral rotation position with those obtained in the abducted externally rotated position. Methods: Two hundred and eighty-five consecutive shoulders without rotator cuff tears that had been subjected to magnetic resonance imaging (MRI) without arthrography in the abducted externally rotated position were reviewed retrospectively. Among them, 50 shoulders without pathology were selected at random to be compared with three shoulder pathology groups, comprising shoulders with superior labrum, anterior-to-posterior (SLAP) lesions without range of motion (ROM) limitation (group I, 47 shoulders), with massive rotator cuff tears without ROM limitation (group II, 20 shoulders), and with full-thickness subscapularis tendon tears without ROM limitation (group III, 20 shoulders). Glenohumeral translation in the anterior-to-posterior direction relative to the glenoid face was evaluated using a method based on the glenohumeral contact point (CP) and humeral head centre (HHC) in the adducted neutral rotation and abducted externally rotated views, which were measured by three orthopaedic surgeons. For each shoulder, the differences in translation for the glenohumeral CP and HHC between the adducted neutral rotation and abducted externally rotated views were calculated as relative posterior translation in millimetres. Results: The differences in ΔCP and ΔHHC between group I and the normal control group were not statistically significant. The differences in ΔCP (P=0.001) and ΔHHC (P=0.001) between group II and the normal control group were statistically significant. Additionally, the differences in ΔCP and ΔHHC between group III and the normal control group were not statistically significant. Conclusions: The MRI in abducted externally rotated view in patients with SLAP lesions or full-thickness subscapularis tendon tears diagnosed by conventional MRI alone showed no significant glenohumeral posterior translation relative to the adducted neutral rotation view in the present study. However, the abducted externally rotated view in patients with massive rotator cuff tears showed significant glenohumeral anterior translation relative to the adducted neutral rotation view. Level of evidence: Diagnostic study, Level II. Springer-Verlag Berlin Heidelberg, 2013 Shoulder nationallicence Rotator cuff nationallicence SLAP lesion nationallicence Kim Kyung Department of Orthopaedic Surgery, Chungnam National University School of Medicine, 640 Daesa-Dong, Jung-Gu, Daejeon, Korea aut Rhee Yong Department of Orthopaedic Surgery, Shoulder & Elbow Clinic, Kyung Hee University, College of Medicine, Seoul, Korea aut Park Jin Department of Orthopedic Surgery, Glocal Center for Shoulder and Elbow, Konkuk University School of Medicine, Seoul, Korea aut Shin Hyun Department of Orthopaedic Surgery, Chungnam National University School of Medicine, 640 Daesa-Dong, Jung-Gu, Daejeon, Korea aut Cha Soo Department of Orthopaedic Surgery, Chungnam National University School of Medicine, 640 Daesa-Dong, Jung-Gu, Daejeon, Korea aut Park Jun Department of Orthopaedic Surgery, Chungnam National University School of Medicine, 640 Daesa-Dong, Jung-Gu, Daejeon, Korea aut Han Sun Department of Orthopaedic Surgery, Chungnam National University School of Medicine, 640 Daesa-Dong, Jung-Gu, Daejeon, Korea aut Yang Jae Department of Orthopaedic Surgery, Chungnam National University School of Medicine, 640 Daesa-Dong, Jung-Gu, Daejeon, Korea aut Knee Surgery, Sports Traumatology, Arthroscopy Springer Berlin Heidelberg 23/9(2015-09-01), 2611-2616 0942-2056 23:9<2611 2015 23 167 https://doi.org/10.1007/s00167-013-2671-0 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s00167-013-2671-0 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Kim Kyung Department of Orthopaedic Surgery, Chungnam National University School of Medicine, 640 Daesa-Dong, Jung-Gu, Daejeon, Korea aut NATIONALLICENCE 700 1- Rhee Yong Department of Orthopaedic Surgery, Shoulder & Elbow Clinic, Kyung Hee University, College of Medicine, Seoul, Korea aut NATIONALLICENCE 700 1- Park Jin Department of Orthopedic Surgery, Glocal Center for Shoulder and Elbow, Konkuk University School of Medicine, Seoul, Korea aut NATIONALLICENCE 700 1- Shin Hyun Department of Orthopaedic Surgery, Chungnam National University School of Medicine, 640 Daesa-Dong, Jung-Gu, Daejeon, Korea aut NATIONALLICENCE 700 1- Cha Soo Department of Orthopaedic Surgery, Chungnam National University School of Medicine, 640 Daesa-Dong, Jung-Gu, Daejeon, Korea aut NATIONALLICENCE 700 1- Park Jun Department of Orthopaedic Surgery, Chungnam National University School of Medicine, 640 Daesa-Dong, Jung-Gu, Daejeon, Korea aut NATIONALLICENCE 700 1- Han Sun Department of Orthopaedic Surgery, Chungnam National University School of Medicine, 640 Daesa-Dong, Jung-Gu, Daejeon, Korea aut NATIONALLICENCE 700 1- Yang Jae Department of Orthopaedic Surgery, Chungnam National University School of Medicine, 640 Daesa-Dong, Jung-Gu, Daejeon, Korea aut NATIONALLICENCE 773 0- Knee Surgery, Sports Traumatology, Arthroscopy Springer Berlin Heidelberg 23/9(2015-09-01), 2611-2616 0942-2056 23:9<2611 2015 23 167