{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T14:36:59Z","timestamp":1740148619845,"version":"3.37.3"},"reference-count":10,"publisher":"Georg Thieme Verlag KG","issue":"05","license":[{"start":{"date-parts":[[2021,3,31]],"date-time":"2021-03-31T00:00:00Z","timestamp":1617148800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Rev Bras Ortop (Sao Paulo)"],"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:title>Resumo<\/jats:title><jats:p>O sarcoma de Ewing \u00e9 o tumor \u00f3sseo maligno da pelve mais comum em crian\u00e7as e adultos jovens. Mesmo com tratamento agressivo, sua taxa de sobreviv\u00eancia est\u00e1 entre as piores. A apresenta\u00e7\u00e3o cl\u00e1ssica pode n\u00e3o ser a regra. Ele pode simular clinicamente, imaginologicamente e histopatologicamente outras entidades n\u00e3o malignas. Portanto, sua suspeita n\u00e3o deve ser negligenciada. Relatamos dois casos de sarcoma p\u00e9lvico: o primeiro imitando granuloma eosinof\u00edlico e o segundo imitando osteomielite. Neste \u00faltimo, tamb\u00e9m relatamos um achado at\u00edpico de sua hist\u00f3ria natural: uma resposta inicial ao antibi\u00f3tico e ao tratamento anti-inflamat\u00f3rio. Em ambos os casos, destacamos a possibilidade de uma bi\u00f3psia \u00f3ssea percut\u00e2nea inconclusiva e a import\u00e2ncia da imunoqu\u00edmica e da citogen\u00e9tica para o diagn\u00f3stico definitivo.<\/jats:p>","DOI":"10.1055\/s-0040-1722582","type":"journal-article","created":{"date-parts":[[2021,4,1]],"date-time":"2021-04-01T07:29:50Z","timestamp":1617262190000},"page":"e822-e825","source":"Crossref","is-referenced-by-count":0,"title":["Sarcoma de Ewing p\u00e9lvico: o grande imitador"],"prefix":"10.1055","volume":"58","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3559-3999","authenticated-orcid":false,"given":"Francisco","family":"Lima-Bernardes","sequence":"additional","affiliation":[{"name":"Ortopedista e Traumatologista, Departamento de Ortopedia e Traumatologia, Centro Hospitalar do T\u00e2mega e Sousa, Penafiel, 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