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    Fibroma cemento-osificante gingival mandibular: presentaci贸n de un caso

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    Presentamos el caso cl铆nico de una mujer con un fibroma cemento- osificante gigante dependiente de la enc铆a mandibular de 20 a帽os de evoluci贸n. El fibroma cemento-osificante es un tumor poco frecuente, clasificado dentro de las lesiones fibro贸seas. Aparece generalmente en hueso y en raras ocasiones afecta a tejidos gingivales, como ocurre en nuestro caso. Es una neoplasia de crecimiento lento y bien delimitada, lo que le confiere un car谩cter benigno. Con los hallazgos histol贸gicos es dif铆cil diferenciar el fibroma cemento-osificante de otras lesiones tales como el osteoblastoma, el osteosarcoma de bajo grado y particularmente de la displasia fibrosa. Para obtener un diagn贸stico preciso es fundamental guiarnos adem谩s por la informaci贸n cl铆nica y radiol贸gica y as铆 llevar a cabo un tratamiento oportuno, que condicione un pron贸stico excelente.We report a case of a woman presenting a giant cementoossifying fibroma depending of the mandibular gingivae. The evolution of the process was 20 years. Cemento-ossifying fibroma is a relatively rare tumour classified between fibroosseous lesions. This lesion appears within the bone although in some occasions it involves the gingivae soft tissues, as the case we present. It is a slow-growing and well-defined tumorous lesion, because of this, it is considered as a benign lesion. The histologic findings alone may be similar to other pathologies such as osteoblastoma, low-grade osteosarcoma and particularly to fibrous dysplasia. An accurate diagnosis requires careful clinical, radiological and histological correlation in order to make an optimal treatment and an excellent outcome
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