Unusual Characteristics and Variable Expressivity in a Brazilian Family with Cherubism

Abstract Cherubism is a rare genetic condition characterized by a bone nonneoplastic disease. We aimed to report a 6-year-old girl with cherubism presenting similar cases in the maternal family. However, her mother and grandmother seemed to be asymptomatic. The patient had an enlarged and asymmetric...

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Veröffentlicht in:Journal of pediatric genetics (Birmingham, Ala.) Ala.), 2021-03, Vol.10 (1), p.063-069
Hauptverfasser: Deconte, Desirée, Correia, Elisa Pacheco Estima, Haubert, Géssica, de Souza, Vinicius, Correia, Jamile Dutra, Maahs, Marcia Angelica Peter, Zen, Paulo Ricardo Gazzola, Fiegenbaum, Marilu, Rosa, Rafael Fabiano Machado
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container_title Journal of pediatric genetics (Birmingham, Ala.)
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creator Deconte, Desirée
Correia, Elisa Pacheco Estima
Haubert, Géssica
de Souza, Vinicius
Correia, Jamile Dutra
Maahs, Marcia Angelica Peter
Zen, Paulo Ricardo Gazzola
Fiegenbaum, Marilu
Rosa, Rafael Fabiano Machado
description Abstract Cherubism is a rare genetic condition characterized by a bone nonneoplastic disease. We aimed to report a 6-year-old girl with cherubism presenting similar cases in the maternal family. However, her mother and grandmother seemed to be asymptomatic. The patient had an enlarged and asymmetric jaw with multiple enlarged cervical lymph nodes that increased in size with time. Sanger sequencing revealed a heterozygous mutation in exon 9 of SH3BP2 not only in the patient but also in her mother. Thus, we observed a variable expression and a probably reduced penetrance within the family, as well as unusual characteristics of the patient (in this case, the asymmetrical involvement of the jaw).
doi_str_mv 10.1055/s-0040-1705095
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title Unusual Characteristics and Variable Expressivity in a Brazilian Family with Cherubism
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