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Clinical, microscopic and imaging findings associated to Mccune-Albright syndrome: report of two cases
Xavier, Samuel Porfírio; Ribeiro, Michel Campos; Sicchieri, Luciana Gonçalves; Brentegani, Luiz Guilherme; Lacerda, Suzie Aparecida.
  • Xavier, Samuel Porfírio; University of São Paulo. Dental School of Ribeirão Preto. Department of Oral and Maxillofacial Surgery and Traumatology and Periodontics. Ribeirão Preto. BR
  • Ribeiro, Michel Campos; University of São Paulo. Dental School of Ribeirão Preto. Department of Oral and Maxillofacial Surgery and Traumatology and Periodontics. Ribeirão Preto. BR
  • Sicchieri, Luciana Gonçalves; University of São Paulo. Dental School of Ribeirão Preto. Department of Oral and Maxillofacial Surgery and Traumatology and Periodontics. Ribeirão Preto. BR
  • Brentegani, Luiz Guilherme; University of São Paulo. Dental School of Ribeirão Preto. Department of Morphology, Stomatology and Physiology. Ribeirão Preto. BR
  • Lacerda, Suzie Aparecida; University of São Paulo. Dental School of Ribeirão Preto. Department of Morphology, Stomatology and Physiology. Ribeirão Preto. BR
Braz. dent. j ; 19(2): 165-170, 2008. ilus
Article in English | LILACS | ID: lil-484955
ABSTRACT
McCune-Albright syndrome is characterized by the triad café-au-lait cutaneous spots, polyostotic fibrous dysplasia and endocrinopathies. This article presents two cases of McCune-Albright syndrome in a middle-aged woman and a young girl. Both patients presented café-au-lait spots on the face and other parts of the body and expansion of the mandible with radiopaque-radiolucent areas with ground-glass radiographic appearance, and were diagnosed as having fibrous dysplasia and endocrine disorders. The patient of Case 1 had fibrous dysplasia on the upper and lower limbs, thorax, face and cranium, early puberty, hyperglycemia, hyperthyroidism and high serum alkaline phosphatase levels. The patient of Case 2 presented lesions on the upper limbs and evident endocrine disorders. In both cases presented in this article, the initial exam was made because of the mandibular lesion. However, a diagnosis of fibrous dysplasia must lead to investigation of the involvement of other bones, characterizing polyostotic fibrous dysplasia, which is manifested in a number of diseases. An accurate differential diagnosis is mandatory to determine the best treatment approach for each case.
RESUMO
A Síndrome de McCune-Albright é caracterizada pela tríade manchas café-com-leite na pele, displasia fibrosa poliostótica e endocrinopatias. Este artigo apresenta dois casos de Síndrome de McCune-Albright em uma mulher de meia idade e em uma menina. Ambos apresentavam manchas café-com-leite na face e em outras partes do corpo, expansão da mandíbula com área radiopaca-radiolúcida com aspecto de vidro despolido na radiografia, com o diagnóstico de displasia fibrosa, e desordens endócrinas. O paciente do Caso 1 apresentava displasia fibrosa nos membros inferiores e superiores, tórax, face e crânio, puberdade precoce, hiperglicemia, hipertireoidismo e elevação da fosfatase alcalina no sangue. O paciente do Caso 2 apresentava lesões nos membros superiores e desordem endócrina evidente. Em ambos os casos apresentados neste artigo, o exame inicial foi realizado devido à lesão mandibular. Contudo, o diagnóstico de displasia fibrosa deve conduzir a pesquisa de envolvimento de outros ossos, caracterizando a displasia fibrosa poliostótica, que se manifesta em um grande número de doenças. O diagnóstico diferencial preciso é fundamental para determinar o tratamento adequado a cada caso.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Mandibular Diseases / Fibrous Dysplasia, Polyostotic Type of study: Diagnostic study / Observational study / Prognostic study / Risk factors Limits: Child / Female / Humans Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Mandibular Diseases / Fibrous Dysplasia, Polyostotic Type of study: Diagnostic study / Observational study / Prognostic study / Risk factors Limits: Child / Female / Humans Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2008 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR