{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T14:33:13Z","timestamp":1792765993829,"version":"4.5.0"},"reference-count":21,"publisher":"SAGE Publications","issue":"10","license":[{"start":{"date-parts":[[2023,10,1]],"date-time":"2023-10-01T00:00:00Z","timestamp":1696118400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Feline Medicine and Surgery"],"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>The aim of the present study was to investigate whether diagnostic assessment methods used on radiographs in humans with slipped capital femoral epiphysis (SCFE) can be used in cats.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The ventrodorsal (VD) extended-leg and VD frog-leg pelvic radiographs of 20 cats with SCFE without fully displaced femoral capital epiphyses (FCE), eight cats with fully displaced FCE and five control cats with normal pelvic anatomy were assessed by five observers on two separate occasions 3 months apart. The Klein\u2019s line and modified Klein\u2019s line were assessed on each VD extended-leg radiograph, and the S-sign was assessed on each VD extended-leg and VD frog-leg radiograph.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Excluding cases of fully displaced FCE, the S-sign on the VD frog-leg radiographs more accurately diagnosed SCFE than the S-sign on the VD extended-leg radiographs and the Klein\u2019s line (92.4% vs 88.8% vs 60.6%, respectively), and had the greatest sensitivity (93.9% vs 79.2% vs 30.6%, respectively). The S-sign on the VD extended-leg radiographs had greater specificity than the Klein\u2019s line and S-sign on the VD frog-leg radiographs (99.2% vs 97.9% vs 90.9%, respectively). The modified Klein\u2019s line detected SCFE in 40.2% of cases that were negative for the Klein\u2019s line.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions and relevance<\/jats:title>\n                    <jats:p>The S-sign in both VD extended-leg and VD frog-leg views successfully detected SCFE in cats and can be used to increase early diagnosis and treatment in cats with SCFE that have only subtle radiographic changes.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/1098612x231201775","type":"journal-article","created":{"date-parts":[[2023,10,31]],"date-time":"2023-10-31T11:22:10Z","timestamp":1698751330000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Comparison of three radiographic assessment methods for detecting slipped capital femoral epiphyses in cats: Klein\u2019s line, modified Klein\u2019s line and the S-sign"],"prefix":"10.1177","volume":"25","author":[{"given":"Daniel","family":"Butts","sequence":"first","affiliation":[{"name":"Stonehouse Veterinary Practice, Gloucester, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8608-9477","authenticated-orcid":false,"given":"Alex J","family":"Smith","sequence":"additional","affiliation":[{"name":"Highcroft Veterinary Referrals, Diagnostic Imaging, Bristol, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3769-7641","authenticated-orcid":false,"given":"Kate","family":"Bradley","sequence":"additional","affiliation":[{"name":"University of Bristol Veterinary School, Faculty of Health Sciences, Bristol, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8972-7067","authenticated-orcid":false,"given":"Richard","family":"Meeson","sequence":"additional","affiliation":[{"name":"The Royal Veterinary College Department of Clinical Science and Services, Hatfield, Hertfordshire, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5412-2116","authenticated-orcid":false,"given":"Kevin","family":"Parsons","sequence":"additional","affiliation":[{"name":"Langford Vets, University of Bristol Veterinary School, Faculty of Health Sciences, Bristol, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4397-5150","authenticated-orcid":false,"given":"Sorrel J","family":"Langley-Hobbs","sequence":"additional","affiliation":[{"name":"University of Bristol Veterinary School, Faculty of Health Sciences, Bristol, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2023,10,31]]},"reference":[{"key":"bibr1-1098612X231201775","doi-asserted-by":"publisher","DOI":"10.1177\/1098612X15598551"},{"key":"bibr2-1098612X231201775","doi-asserted-by":"publisher","DOI":"10.2460\/javma.2002.221.1731"},{"key":"bibr3-1098612X231201775","doi-asserted-by":"publisher","DOI":"10.1354\/vp.38-1-92"},{"key":"bibr4-1098612X231201775","doi-asserted-by":"publisher","DOI":"10.1354\/vp.43-3-388"},{"key":"bibr5-1098612X231201775","doi-asserted-by":"publisher","DOI":"10.1136\/vr.142.7.159"},{"key":"bibr6-1098612X231201775","first-page":"698","volume":"54","author":"Schwartz G.","year":"2013","journal-title":"Can Vet J"},{"key":"bibr7-1098612X231201775","doi-asserted-by":"crossref","first-page":"1864","DOI":"10.2460\/javma.1996.209.11.1864","volume":"209","author":"Stubbs W","year":"1996","journal-title":"J Am Vet Med 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