RESUMENLa displasia osteofibrosa es una patología ósea benigna e idiopática, poco frecuente en cabeza y cuello. Afecta principalmente el hueso maxilar, mientras en fosa nasal su frecuencia es baja. Habitualmente asintomática, puede ser agresiva por crecimiento local y eventual malignización. El tratamiento es quirúrgico cuando produce alteraciones en la estética facial, síntomas compresivos orbitarios, rinosinusales, vasculares, nerviosos o ante sospecha de malignización. Se presenta un caso de un paciente con obstrucción nasal persistente, en cuya evaluación se diagnostica un tumor óseo de cornete inferior, que es extirpado mediante técnica endoscópica, con resultado satisfactorio. El estudio histopatológico confirmó el diagnóstico de displasia osteofibrosa. Se discuten los problemas diagnósticos y terapéuti-cos, destacando la importancia del examen físico y el diagnóstico oportuno, pudiendo tratarse endoscópicamente sin inconvenientes cuando son pequeños.Palabras clave: Displasia osteofibrosa, Cornete inferior, Tumores benignos de cabeza y cuello. ABSTRACTFibrous dysplasia is an idiopathic benign bone disease, infrequent in head and neck. It is mainly located in the maxillary bone, while its nasal cavity frequency is low. It is usually asymptomatic, but it can be aggressive due to local growth and malignant degeneration. Its treatment is surgical when the disease produces an important facial deformity, orbital, rhinosinusal or vascular-nervous compressive symptoms or when malignization is suspected. A case report of a patient with persistent nasal obstruction is presented. Upon evaluation, a bony tumor of the inferior turbinate was diagnosed. Excision was performed using endoscopic technique, with satisfactory clinical results. Histopathological examination confirmed the diagnosis of fibrous dysplasia. We emphasize the importance of the otolaryngology physical examination and the early diagnosis in order to offer the more adequate treatment when lesions are small, so as to be able to perform an endoscopic surgery without potential disadvantages.
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