FIBROMA OSSIFICANTE PERIFÉRICO: PREVALÊNCIA NO SERVIÇO DE ANATOMIA PATOLÓGICA DA UNP EM DEZ ANOS

2011 
O Fibroma Ossificante Periferico (FOP) e uma proliferacao reacional da gengiva, que comete, preferencialmente, mulheres jovens ou adolescentes. Caracteriza-se, clinicamente, por uma massa gengival de crescimento lento e exofitico, sessil ou pediculada, rosada ou vermelhada, que pode ou nao sofrer ulceracao. Sua localizacao preferencial e na maxila, na regiao dos incisivos e caninos. Microscopicamente, consiste de proliferacao fibro-conjuntiva associada a deposicao de material mineralizado no estroma. Biologicamente, a lesao tem comportamento benigno. Objetiva-se, com este trabalho, apresentar a prevalencia dessa lesao no Servico de Anatomia Patologica da Universidade Potiguar (UnP) e suas caracteristicas anatomo-clinicas para a comunidade de estudantes e odontologos. Num periodo de dez anos, foram examinadas um total de 1000 especimes cirurgicos no laboratorio de patologia da UnP. Dentre eles, 11 casos de FOP foram diagnosticados, numa proporcao de 1,1%. A segunda decada (27,3%) foi a mais prevalente e o sexo feminino teve discreta predominância (63,6%). Clinicamente, apresentaram-se como massa vegetante, avermelhada, de crescimento lento e indolor. Em 81,8% dos casos, foram diagnosticados como granuloma piogenico e em um (9%) foi aventada a possibilidade de FOP. Histologicamente, todos os casos demonstraram proliferacao fibroblastica com calcificacoes, sem atipias celulares. Com estes dados, podemos concluir que os casos estudados neste servico da UnP tiveram apresentacao clinica similar ao descrito na literatura, mas, apesar disso, nao foram diagnosticados cirurgicamente. PERIPHERAL OSSIFYING FIBROMA: PREVALENCE IN THE SERVICE OF PATHOLOGY IN TEN YEARS UNP Abstract: The peripheral ossifying fibroma (POF) is a reactive proliferation of the gums that affects mainly young women and adolescents. It is characterized clinically by a slowly growing gingival mass eexofitico, sessile or pedunculate, pinkish or reddish, which may or may not undergo ulceration. His preferred location is in the maxilla in the region of incisors and canines. Microscopically 20 consists of fibro-proliferation conjunctiva associated with deposition of mineralized material in the stroma. Biologically the lesion has a benign behavior. The objective is to make this work with the prevalence of this lesion in the Pathology of the UNP and its anatomic-clinical community for students and dentists. In a ten-year period were examined a total of 1000 surgical specimens in the pathology laboratory of the UNP. Among them 11 cases of peripheral ossifying fibroma were diagnosed at a rate of 1.1%. In the second decade (27.3%) was more prevalent among females, while was predominant (63.6%). Clinically presented as vegetative mass, slow-growing red and painless. In 81.8% of cases were diagnosed as pyogenic granuloma and one (9%) was being considered for FOP. Histologically all cases showed fibroblastic proliferation with calcifications, without cellular atypia. With these data we can conclude that the cases studied in this service of the UNP had similar clinical presentation as described in the literature, yet were not diagnosed surgically. Keywords: Peripheral ossifying fibroma. Reactive lesions of the oral cavity. Pyogenic granuloma.
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