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- W2185477360 abstract "espanolSe presenta la frecuencia, caracteristicas clinico-patologicas y evolucion de los tumores odontogenicos malignos diagnosticados en tres servicios de patologia de la Ciudad de Mexico, de acuerdo a los criterios vigentes de la O.M.S. En total, se encontraron siete casos (5 en varones y 2 en mujeres), lo que representa menos del 4% de todos los tumores odontogenicos diagnosticados. Hubo seis carcinomas (dos ameloblastomas malignos, dos carcinomas odontogenicos de celulas claras, un carcinoma primario intra-oseo y un carcinoma originado del revestimiento de quiste odontogenico) y un fibrosarcoma ameloblastico. El intervalo de edad fue de 25 a 72 anos (media: 43.8). Los carcinomas odontogenicos de celulas claras se presentaron en la region caninopremolar en maxilar y en mandibula (un hombre y una mujer), mientras que el resto de lesiones se localizaron en la zona posterior de la mandibula, con predominio por el sexo masculino (4:1), lo que concuerda con lo reportado en la literatura. El tratamiento en todos los carcinomas consistio en la reseccion quirurgica, mientras que el fibrosarcoma fue tratado con quimioterapia debido a su gran extension, sin respuesta favorable. El paciente con carcinoma primario intraoseo presento metastasis submaxilar y cervical y la neoplasia fue causa de fallecimiento. A pesar de su rareza, los tumores odontogenicos malignos constituyen una causa importante de intervenciones quirurgicas extensas en la region maxilofacial. EnglishThe frequency, clinico-pathologic features and outcome of malignant odontogenic tumors diagnosed according to the current WHO classification in three pathology services in Mexico City are presented. There were seven cases (5 male and 2 female patients), which represent less than 4% of all odontogenic tumors diagnosed in these services. There were six odontogenic carcinomas (two malignant ameloblastomas, two clear cell odontogenic carcinomas, one primary intraosseous carcinoma and one carcinoma arising in an odontogenic cyst) and one ameloblastic fibrosarcoma. Age ranged from 25 to 72 years (mean: 43.8). Clear cell odontogenic carcinomas occurred in the canine-premolar region, one in the maxilla and one in the mandible (one ia a man and one in a woman), while the remaining lesions affected the posterior region of the mandible, with a male predominance (4:1), which agrees with previously reported cases. Surgical resection was the treatment employed in all carcinomas, while the ameloblastic firosarcoma was treated with chemotherapy due to its large extension, but without favorable response. The patient with primary intraosseous carcinoma had submaxillary and cervical metastases and the neoplasm was the cause of death. In spite of their extremely low frequency, malignant odontogenic tumors are an important cause of extensive surgical procedures in the oral and maxillofacial region" @default.
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- W2185477360 date "2003-01-01" @default.
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- W2185477360 title "Tumores odontogénicos malignos: estudio retrospectico y colaborativo de 7 casos" @default.
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