adamantinoma de ossos longos adamantinoma of the long bones
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2008
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Abstract
OBJETIVOS: Estudar retrospectivamente 18 casos de pacientes com adamantinoma de ossos longos, todos localizados na tĂbia; ressaltar a importância da biĂłpsia e a correlação com mĂ©todos de imagem para diagnĂłstico diferencial com osteofibrodisplasia e displasia fibrosa; tecer considerações sobre a natureza do adamantinoma de ossos longos, cujo nome deve-se Ă analogia histolĂłgica com o adamantinoma (ameloblastoma) da mandĂbula. MÉTODOS: Foram analisados o quadro clĂnico, imagens e exames anatomopatolĂłgicos complementados com imunohistoquĂmica e a evolução dos pacientes. Todos foram submetidos a tratamento cirĂşrgico, 17 com "tibialização" da fĂbula e os demais com amputação. RESULTADOS: A evolução pĂłs-cirĂşrgica mostrou-se imprevisĂvel e nĂŁo relacionada com os aspectos clĂnicos ou histopatolĂłgicos. Dois pacientes evoluĂram com metástases pulmonares e morreram. Seis nĂŁo tiveram recidivas ou metástases e estĂŁo clinicamente curados. Os demais, apĂłs alta hospitalar nĂŁo retornaram Ă consulta. CONCLUSĂ•ES: Trata-se de rara neoplasia constituĂda por estruturas epiteliais e mesenquimais que devem ser diagnosticadas com precisĂŁo, antes de qualquer procedimento. O tratamento Ă© cirĂşrgico com ressecção do tumor com boa margem oncolĂłgica. O comportamento biolĂłgico Ă© variável e imprevisĂvel.OBJECTIVE: To make a retrospective study of 18 cases of patients with adamantinoma of the long bone, all of them located in the tibia; to point to the relevance of biopsy and the correlation with imaging methods in order to have a differential diagnosis with osteofibrous dysplasia and fibrous dysplasia; to comment on the nature of long bone adamantinoma, whose name is due to the histological analogy with the adamantinoma (ameloblastoma) of the jaw. METHODS: A review was made of the clinical condition, images, and anatomopathological exams supplemented with immunohistochemical essays, and the evolution of the patients. All of them were submitted to surgical treatment, 17 with "tibialization" of the fibula and the others with amputation. RESULTS: The post-surgical evolution showed to be unpredictable and not related to clinical or histopathological aspects. Two patients had an evolution with lung metastasis and died. Six did not present recurrent disease or metastases, and are clinically cured. The others, after being released from hospital, did not return for consultation. CONCLUSIONS: This is a rare neoplasia made of epithelial and mesenchymal structures that must be accurately diagnosed before any procedure is attempted. Treatment is surgical, with tumor resection with a good oncologic margin. The biological behavior is varied and unpredictable.
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Authors | ;José Donato de Próspero;Pedro Péricles Ribeiro Baptista;Elio Consentino;Cláudia de Cássia Tanoue Hasegawa;Maria Fernanda Carriel Amary;Eduardo Sadao Yonamine |
Journal | scientific american |
Year | 2008 |
DOI | 10.1590/S0102-36162008000800005 |
URL | |
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