{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T19:31:02Z","timestamp":1783020662265,"version":"3.54.6"},"reference-count":25,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T00:00:00Z","timestamp":1776297600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T00:00:00Z","timestamp":1776297600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["esskajournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>This study aimed to compare anatomical parameters on magnetic resonance imaging (MRI) scans between patients with symptomatic isolated chronic epicondylopathia humeri radialis (cER) and healthy controls. It was hypothesized that the radial head would show an increased lateral offset in patients with cER.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This retrospective radiological case\u2013control study included patients with cER (symptomatic\u2009&gt;\u20096 months) from November 2020 to July 2023. The MRIs of all included patients were compared to those of healthy controls. Radiological measurements were performed in millimetres (mm): lateral humeral epicondyle prominence, radial head diameter, lateral radial head offset, lateral radial head offset ratio (lateral radial head offset\/radial head diameter; %) and posterior radial head translation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Retrospective radiological case\u2013control study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Seventy\u2010seven elbows (37 cER\/40 healthy controls) from 57 patients (37 male; age: 39.3\u2009\u00b1\u200911.2 years; body mass index: 23.0\u2009\u00b1\u20097.6) were included. There was no significant difference between groups in lateral humeral epicondyle prominence (11.7\u2009\u00b1\u20098.8\u2009mm vs. 11.0\u2009\u00b1\u20091.6\u2009mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.051) or radial head diameter (22.2\u2009\u00b1\u20094.1\u2009mm vs. 22.2\u2009\u00b1\u20093.7\u2009mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.779). Lateral radial head offset was significantly greater in the cER group compared with healthy controls (mean difference: 1.84\u2009mm, 95% confidence interval [CI]\u2009=\u20091.07\u20132.60;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001), while the lateral radial head offset ratio did not differ significantly (21.1% vs. 9.1%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.691). Posterior radial head translation was also significantly increased in the cER group (mean difference: 4.35\u2009mm, 95% CI\u2009=\u20093.72\u20134.98;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001). There was no significant difference in ulnohumeral incongruence between groups (2.2\u2009\u00b1\u20090.6\u2009mm vs. 2.4\u2009\u00b1\u20090.6\u2009mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.238).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Patients with cER showed significantly higher lateral radial head offset and posterior radial head translation on MRI compared to healthy controls. This may suggest that the dynamic stabilizers are weakened in cER patients, resulting in a relative shift of the radial head towards the lateral and posterior position.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level III.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ksa.70410","type":"journal-article","created":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T11:51:26Z","timestamp":1776340286000},"page":"2545-2552","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Lateral radial head offset can be associated with chronic epicondylopathia humeri radialis: A new radiological parameter"],"prefix":"10.1002","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0342-8403","authenticated-orcid":false,"given":"Romed P.","family":"Vieider","sequence":"first","affiliation":[{"name":"Department of Sports Orthopaedics TUM University Hospital, Technical University of Munich Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-3193-6869","authenticated-orcid":false,"given":"Sebastian","family":"Siebenlist","sequence":"additional","affiliation":[{"name":"Department of Sports Orthopaedics TUM University Hospital, Technical University of Munich Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2111-8177","authenticated-orcid":false,"given":"Alexander Wolfgang","family":"Marka","sequence":"additional","affiliation":[{"name":"Institute for Diagnostic and Interventional Radiology, School of Medicine and Health, TUM Klinikum Technical University of Munich (TUM) Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7393-1891","authenticated-orcid":false,"given":"Lukas N.","family":"Muench","sequence":"additional","affiliation":[{"name":"Department of Sports Orthopaedics TUM University Hospital, Technical University of Munich Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5422-4411","authenticated-orcid":false,"given":"Lucca","family":"Lacheta","sequence":"additional","affiliation":[{"name":"Department of Sports Orthopaedics TUM University Hospital, Technical University of Munich Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Franziska","family":"Rudolph","sequence":"additional","affiliation":[{"name":"Department of Traumatology University Hospital Zurich, University of Zurich Zurich Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9745-4786","authenticated-orcid":false,"given":"Stephanie","family":"Geyer","sequence":"additional","affiliation":[{"name":"St. Vinzenz Clinic Pfronten Pfronten Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8027-3898","authenticated-orcid":false,"given":"Pavel","family":"Kadantsev","sequence":"additional","affiliation":[{"name":"Department of Sports Orthopaedics TUM University Hospital, Technical University of Munich Munich Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,4,16]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.328.7441.702"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546513494579"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2020.08.042"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jht.2023.05.013"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2018.07.008"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11678-024-00839-y"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.3758\/BRM.41.4.1149"},{"key":"e_1_2_12_9_1","doi-asserted-by":"publisher","DOI":"10.1177\/03635465251330152"},{"key":"e_1_2_12_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jhsa.2015.04.029"},{"key":"e_1_2_12_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/jor.25684"},{"key":"e_1_2_12_12_1","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.D.02293"},{"key":"e_1_2_12_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinbiomech.2003.08.006"},{"key":"e_1_2_12_14_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0254037"},{"key":"e_1_2_12_15_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12891-018-2069-8"},{"key":"e_1_2_12_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2022.08.022"},{"key":"e_1_2_12_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jhsa.2013.11.036"},{"key":"e_1_2_12_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2015.07.002"},{"key":"e_1_2_12_19_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00402-022-04491-5"},{"key":"e_1_2_12_20_1","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-195133040-00020"},{"key":"e_1_2_12_21_1","doi-asserted-by":"publisher","DOI":"10.1177\/0363546514568087"},{"key":"e_1_2_12_22_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.surge.2019.08.003"},{"key":"e_1_2_12_23_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.berh.2011.01.013"},{"key":"e_1_2_12_24_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.amjmed.2012.09.018"},{"key":"e_1_2_12_25_1","doi-asserted-by":"publisher","DOI":"10.1097\/MD.0000000000037944"},{"key":"e_1_2_12_26_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-024-53669-x"}],"container-title":["Knee 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