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The knees with the most frequent dislocations (treated with medial patellar retinacular plasty) were selected as the study group (SG), and those undergoing conservative treatment for the contralateral knee were selected as the control group (CG). Computed tomography (CT) scans were performed on all children preoperatively and at the last follow-up to evaluate morphological characteristics of the patella.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>All the radiological parameters of the patella showed no significant difference between the two groups preoperatively. At the last follow-up for CT scans, no significant differences were found for the relative patellar width (SG, 54.61%; CG, 52.87%;<jats:italic>P<\/jats:italic>\u2009=\u20090.086) and the relative patellar thickness (SG, 26.07%; CG, 25.02%;<jats:italic>P<\/jats:italic>\u2009=\u20090.243). The radiological parameters including Wiberg angle (SG, 136.25\u00b0; CG, 122.65\u00b0;<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001), modified Wiberg index (SG, 1.23; CG, 2.65;<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001), and lateral patellar facet angle (SG, 23.35\u00b0; CG, 15.26\u00b0;<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001) showed statistical differences between the two groups.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The patellar morphology can be improved by early surgical correction in children with recurrent patellar dislocation. Therefore, early intervention is of great importance for children diagnosed with recurrent patellar dislocation.<\/jats:p><\/jats:sec>","DOI":"10.1186\/s13018-021-02779-7","type":"journal-article","created":{"date-parts":[[2021,10,16]],"date-time":"2021-10-16T17:20:09Z","timestamp":1634404809000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Changes in patellar morphology following surgical correction of recurrent patellar dislocation in children"],"prefix":"10.1186","volume":"16","author":[{"given":"Weifeng","family":"Li","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qian","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hui","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1722-5217","authenticated-orcid":false,"given":"Shunyi","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,10,16]]},"reference":[{"issue":"2","key":"2779_CR1","doi-asserted-by":"publisher","first-page":"146","DOI":"10.1177\/1941738117725055","volume":"10","author":"TL Sanders","year":"2018","unstructured":"Sanders TL, Pareek A, Hewett TE, Stuart MJ, Dahm DL, Krych AJ. 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