{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T14:37:15Z","timestamp":1740148635547,"version":"3.37.3"},"reference-count":9,"publisher":"Georg Thieme Verlag KG","issue":"S 01","license":[{"start":{"date-parts":[[2022,9,5]],"date-time":"2022-09-05T00:00:00Z","timestamp":1662336000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rev Bras Ortop (Sao Paulo)"],"published-print":{"date-parts":[[2024,7]]},"abstract":"<jats:title>Resumo<\/jats:title><jats:p>As fraturas acetabulares podem ser acompanhadas por les\u00f5es de impacto articular, afetando os desfechos se n\u00e3o vistas ou tratadas de modo incompleto. A impacta\u00e7\u00e3o marginal detectada em estudos de imagem pr\u00e9- ou intraoperat\u00f3rios deve ser reduzida anatomicamente usando a cabe\u00e7a femoral como modelo e aumentando o defeito com enxerto \u00f3sseo, se necess\u00e1rio. A superf\u00edcie articular do segmento impactado parece voltada para a frente durante a cirurgia, que \u00e9 a descri\u00e7\u00e3o cl\u00e1ssica de tais les\u00f5es. No relat\u00f3rio atual, descrevemos um padr\u00e3o incomum de aparecimento de les\u00f5es de impacto marginal em dois pacientes, onde a superf\u00edcie articular do fragmento impactado est\u00e1 voltado para a cavidade articular, sendo o inverso da descri\u00e7\u00e3o cl\u00e1ssica, aludindo ao mecanismo prov\u00e1vel de sua ocorr\u00eancia, \u00e0 t\u00e9cnica de redu\u00e7\u00e3o e \u00e0s consequ\u00eancias de ignorar tal les\u00e3o. Les\u00f5es de impacto marginal devem ser diagnosticadas e tratadas corretamente para preservar a congru\u00eancia articular; no entanto, o cirurgi\u00e3o deve estar ciente da possibilidade de um padr\u00e3o incomum de impacto marginal no qual o fragmento poderia ser revertido; manter esta possibilidade em mente facilitaria seu diagn\u00f3stico e manejo.<\/jats:p>","DOI":"10.1055\/s-0042-1755347","type":"journal-article","created":{"date-parts":[[2022,9,5]],"date-time":"2022-09-05T23:09:51Z","timestamp":1662419391000},"page":"e83-e87","source":"Crossref","is-referenced-by-count":1,"special_numbering":"S","title":["Padr\u00e3o incomum de impacto marginal osteocondral em fraturas acetabulares: Um relat\u00f3rio de dois casos"],"prefix":"10.1055","volume":"59","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1405-6331","authenticated-orcid":false,"given":"Bahaaeldin","family":"Ibrahim","sequence":"additional","affiliation":[{"name":"Departamento de Ortopedia, Assiut University, Assiut, 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