Down Syndrome and Fragile X Syndrome in a Colombian Woman: Case Report

Wilmar Saldarriaga, Fabian Andres Ruiz, Flora Tassone, Randi J Hagerman

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Background: Down syndrome (DS) and Fragile X syndrome (FXS) are the major genetic causes of intellectual disabilities. Here, we present a case of a 32-year-old woman with the diagnosis of both FXS and DS. She is the daughter of a 47-year-old pre-mutation woman who also has three sons with FXS. Methods: Cytogenetic testing detected the presence of a complete trisomy 21. A combination of PCR and Southern blot analysis was utilized to document the presence of the FMR1 full mutation. Results: The patient has physical characteristics and behavioural disturbances typical of both FXS and DS, which were confirmed by molecular testing. Her treatment plan included a trial of sertraline because of the severity of her shyness and lack of language. She had an excellent response to sertraline with improvement in shyness and social interactions, particularly with family members. Conclusions: In this study, we report the case of a woman with both FXS and DS, which is the fifth case of FXS and DS in the world's literature. The patient is from Ricaurte, a small town in Colombia, South America, where there is the world's highest prevalence for FXS.

Original languageEnglish (US)
JournalJournal of Applied Research in Intellectual Disabilities
DOIs
StateAccepted/In press - 2016

Keywords

  • Down syndrome
  • Fragile X syndrome
  • Prevalence
  • Sertraline

ASJC Scopus subject areas

  • Developmental and Educational Psychology
  • Education

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