28 research outputs found

    O querubismo

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    Fibroma ameloblástico : relato de caso

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    O Fibroma Ameloblástico é um tumor odontogênico misto tradicionalmente considerado como sendo formado pelos tecidos epitelial e conjuntivo, porém não produzindo estruturas dentais calcificadas. Embora algumas vezes tenha sido confundido com Ameloblastoma, atualmente suas diferenças histomorfológicas, faixa etária e comportamento clínico estão bem estabelecidas. É relatado o caso de um fibromaameloblástico comprometendo a hemi-mandíbula de uma paciente.A case of Ameloblastic Fibroma appearing in the posterior part of the mandible is presented. The histopathologic, roentgenologic and clinical aspects are discussed. The rapid growth and the size acqui red are emphasized. The treatment is conservative but the tumor needs close follow up for possible recurrence

    Cisto ósseo aneurismático : apresentação de um caso (+)

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    Os autores apresentam utrn caso clínico de cisto ósseo aneurismático, discutindo sua patogênese e aspectos clínicos e microscópicos.The authors present a clinical case of aneurysmathic bone cyst, discussing its pathogenesis and histologycal and clinicalaspects

    Fibrossarcoma : relato de caso

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    É apresentado o caso de um paciente de 13 anos de idade, com uma lesão exofítica localizada no tecido mucoso gengival por lingual do 44 e 45, que recebeu laudo histopatológico de fibromixoma e como tal foi operado. O exame histológico da peça cirúrgica revelou tratar-se de um fibrossarcoma, tumor maligno raro na cavidade oral.The case of a 13-year-old patient is presented, with an exophytic lesion located in the gingival mucosal tissue by lingual 44 and 45, who received a histopathological report of fibromyxoma and was operated as such. Histological examination of the surgical specimen revealed that it was a fibrosarcoma, a rare malignant tumor in the oral cavity

    Estudio histopatológico de las reabsorciones cemento-dentinarias de la región apical de los dientes humanos extraídos con lesión crónica en el periapice

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    Veintiun dientes humanos extraídos con lesión crónica apical fueron analizados por la histopatología buscando determinar la presencia de la reabsorción cemento-dentinaria en la región periapical de estos dientes. En cada diente estudiado fue introducido un instrumento endodoncico para identificar el foramen apical y todos los dientes fueron radiografiados con una técnica estándar de película radiográfica periapical No. 2. Después de la descalcificación de los dientes, éstos fueron sometidos a la técnica histológica de rutina y evaluados histopatologicamente, observandose un diagnóstico de lesión apical y la presencia o no de re absorción y compensación cemento-dentinaria. De estas lesiones crónicas observadas, nueve eran cistos apicales, cinco granulomas y siete abscesos crónicos. De los veintiun dientes estudiados, veinte presentaron re absorción cementaria y diecisiete presentaron re absorción cemento-dentinaria.Twenty-one human teeth extracted with chronic apicallesions were analyzed histopathologically to determine the presence of resorptions of dentin and cementum in the apical region of these teeth. An endodontic file was introduced in each tooth for identification of the apical foramen and a roentgenography was taken with standard technique in number 2 xRay film. After decalcification the teeth were sectioned and only the apical third was analyzed. The teeth underwent the routine histological technic and histopathologically evaluated, the diagnosis of the chronic apicallesion and the presence or not of dentine and cementum resorption and compensation were observed. Nine of the chronic lesions observed were apical cysts, five granulomas and seven chronic abscesses. Out of twenty-one teeth analyzed, twenty teeth presented cementum resorption and seventeen presented dentine and cementum resorption
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