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Rev. senol. patol. mamar. (Ed. impr.) ; 24(2): 65-69, 2011. tab, ilus
Artigo em Espanhol | IBECS | ID: ibc-89816

RESUMO

Se presenta a dos hermanas diagnosticadas de un carcinoma de mama (CM), con el antecedente de que su madre fue diagnosticada de carcinoma de mama a los treinta y cuatro años y falleció cuatro años después. Consecuentemente, se hizo un estudio genético descartándose una mutación de los oncogenes BRCA1 y BRCA2. Sin embargo, sí se evidenció una alteración a nivel del gen supresor p53, característico del síndrome de Li-Fraumeni (SLF). El SLF es una rara enfermedad autosómica dominante que afecta fundamentalmente a pacientes jóvenes y que consiste en una predisposición a desarrollar una amplia variedad de tumores, entre ellos el CM(AU)


We present two sisters who were diagnosed as having breast cancer; being their mother diagnosed as having breast cancer when she was thirty-four years old, and having died four years later. Hence, we decided to make a genetic testing, which was negative in BRCA1 and BRCA2 mutation. However, a mutation in p53 tumor suppressor gene was detected in the genetic study, which is characteristic of Li-Fraumeni syndrome (LFS). LFS is a rare autosomal dominant hereditary disorder that frequently appears in young patients. Patients with LFS are at risk for a wide range of malignancies, being breast cancer particularly frequent(AU)


Assuntos
Humanos , Feminino , Adulto , Carcinoma/complicações , Carcinoma/diagnóstico , Genes p53/genética , Proteína Supressora de Tumor p53 , Proteína Supressora de Tumor p53/genética , Síndrome de Li-Fraumeni/complicações , Síndrome de Li-Fraumeni/diagnóstico , Adenocarcinoma/genética , Carcinoma/genética , Síndrome de Li-Fraumeni/patologia
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