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Revista Española de Cirugía Oral y Maxilofacial

versión On-line ISSN 2173-9161versión impresa ISSN 1130-0558


DOMINGUEZ CUADRADO, L.  y  MARTIN-GRANIZO LOPEZ, R.. Clinical, radiological and histological analysis of the cemento-ossifying fibromas of the maxilla. Rev Esp Cirug Oral y Maxilofac [online]. 2004, vol.26, n.1, pp.31-40. ISSN 2173-9161.

Introduction. The COF is a benign fibro-osseous neoplasm, more frequent in females on their 3rd and 4th decades of life, of non-odontogenic origin, that is preferentially localised on the molar and premolar mandibular area. Objective. The objective of this study is to analyse the clinical, radiographic and histologic features of cemento-ossifying fibromas (COF) and its controversial classification. To evaluate the fibro-osseous lesions from which a differential diagnosis is mandatory for a proper treatment. Patients and method. A retrospective clinical study has been made from year 1999 to year 2000 of 10 patients with COF, analysing the age, sex, personal antecedents, symptoms, localisation and radiographic and histologic characteristics of such lesions. In all the patients a local excision of the tumour was performed, as well as a minimum follow-up of six months after surgery, using radiologic controls. Results. Of all the patients studied, 7 were females and 3 males, with an age between 26 and 70 year-old. In the majority of the cases the lesion was placed in the posterior mandibular segment and was asymptomatic. On clinical examination the most common finding was a swelling of the bony cortex. Radiologically there was a mixed patron (radiolucid-radiopaque) which corresponded in the histologic analysis to a fibrous stroma with calcified trabecular and spherical deposits resembling to bone and cementum. Definite treatment included a local excision of the lesion followed by a simple curettage of the wound, with no evidence of recurrence during the follow-up. Conclusions. The COF is a benign fibro-osseous neoplasm, of non-odontogenic origin, that is preferentially localised on the molar and premolar mandibular area. It uses to be asymptomatic and radiographically it shows as a well defined lesion, with a mixed patron, without apical involvement. A differential diagnosis must be made with other fibro-osseous lesions, based on the exploration, histology, and radiologic study. Its treatment must be conservative, being the recurrences very uncommon.

Palabras clave : Cemento-ossifying fibroma; Cementifying fibroma; Non odontogenic tumour; Maxillary tumour; Mixed patron.

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