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Endocrine abnormalities in cardiofaciocutaneous syndrome: a case of precocious puberty, hyperprolactinemia and diabetes insipidus.
Lenet, Stephanie; Polychronakos, Constantin.
Afiliação
  • Lenet S; Department of Pediatrics, University of Sherbrooke, Sherbrooke, Quebec, Canada.
  • Polychronakos C; Fleurimont Hospital, Sherbrooke, Quebec, Canada.
BMJ Case Rep ; 12(6)2019 Jun 18.
Article em En | MEDLINE | ID: mdl-31217210
A 7-year-8-month-old boy with cardiofaciocutaneous syndrome caused by the D638E mutation of the B-Raf proto-oncogene (BRAF) presented with new-onset seizures. He was incidentally found to have advanced Tanner staging on physical examination. Hormonal testing revealed pubertal levels of gonadotropins and sex steroid hormones. On brain imaging, a lack of visualisation of the posterior pituitary bright spot was observed, in addition to mild thinning of the corpus callosum and the lateral gyri of the cerebellar hemispheres. A diagnosis of idiopathic central precocious puberty was made and the patient was started on leuprolide depot treatment. Pituitary hormone testing revealed hyperprolactinemia for which the patient did not receive treatment as he was asymptomatic. During a subsequent hospital admission for seizures, the patient was diagnosed with transient central diabetes insipidus for which he required treatment with a desmopressin infusion.
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Texto completo: 1 Coleções: 01-internacional Temas: Geral Base de dados: MEDLINE Assunto principal: Puberdade Precoce / Convulsões / Displasia Ectodérmica / Diabetes Insípido Neurogênico / Proteínas Proto-Oncogênicas B-raf / Insuficiência de Crescimento / Cardiopatias Congênitas Limite: Child / Humans / Male Idioma: En Revista: BMJ Case Rep Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Canadá

Texto completo: 1 Coleções: 01-internacional Temas: Geral Base de dados: MEDLINE Assunto principal: Puberdade Precoce / Convulsões / Displasia Ectodérmica / Diabetes Insípido Neurogênico / Proteínas Proto-Oncogênicas B-raf / Insuficiência de Crescimento / Cardiopatias Congênitas Limite: Child / Humans / Male Idioma: En Revista: BMJ Case Rep Ano de publicação: 2019 Tipo de documento: Article País de afiliação: Canadá