Fístula oroantral en contexto de osteonecrosis maxilar y mandibular por bifosfonatos. Caso clínico

  • SÁ A
  • AZEVEDO L
  • PINHEIRO C
  • et al.
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Abstract

intro_obj: La fístula oroantral es una comunicación patológica entre la cavidad oral y el seno maxilar. Están descritas varia causas, entre ellas la osteonecrosis maxilar y mandibular por bifosfonatos, descrita por primera vez en 2003. Este medicamento ha sido ampliamente utilizado y con gran eficacia en el tratamiento de diversas neoplasias con metástatización ósea, especialmente en el cáncer de mama, en el que la supervivencia ha aumentado considerablemente. Presentamos el caso paradigmático de una mujer de 58 años con historia de neoplasia maligna de mama y metátasis óseas, tratada con quimioterapia endovenosa asociada a bifosfonatos, que desarrolló osteonecrosis maxilar y mandibular en el contexto de una extracción dentaria y que desarrolló una fístula oroantral. Esto nos recuerda este importante factor de riesgo, considerando que dada la supervivencia actual entre la población con cáncer de mama, la prevalencia de la fístula oroantral irá en aumento.intro_obj: Oroantral fistula is a pathological communication between the oral cavity and the maxillary sinus. There are several causes, being the maxillary and jaw osteonecrosis by intravenous bisphosponates an important cause which was reportedby the first time in 2003. The bisphosphonates have been used with good results in treatment of several cancers and in bone metastases, especially in breast cancer, where the survival rate has increased in the recent years. We report a representative case of a 58-year-old female with previous history of breast cancer and bone metastases. She had been treated with chemotherapy and intravenous bisphosphonates and had developed maxillary and jaw osteonecrosis. After that, she underwent surgery with extraction of first molar and acquired an oroantral fistula. The present case reminds us of an important risk factor for oroantral fistula in patients treated with intravenous bisphosphonates. Thus, due to the increasing survival rate in breast cancer patients, the oroantral fistula prevalence is going to increase exponentially.

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APA

SÁ, A., AZEVEDO, L., PINHEIRO, C., SEIXAS-MARTINS, J., & CUNHA, L. (2018). Fístula oroantral en contexto de osteonecrosis maxilar y mandibular por bifosfonatos. Caso clínico. Cirugía Plástica Ibero-Latinoamericana, 44, 223–227. https://doi.org/10.4321/s0376-78922018000200017

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