The inv dup (15) or idic (15) syndrome (Tetrasomy 15q)
2008

Understanding inv dup(15) Syndrome

Sample size: 160 publication Evidence: moderate

Author Information

Author(s): Agatino Battaglia

Primary Institution: Stella Maris Clinical Research Institute for Child and Adolescent Neurology and Psychiatry, Calambrone, Pisa, Italy

Hypothesis

What are the clinical features and genetic mechanisms associated with inv dup(15) syndrome?

Conclusion

The inv dup(15) syndrome is characterized by developmental delays, intellectual disabilities, and a range of behavioral issues, including autism-like symptoms.

Supporting Evidence

  • Developmental delay and intellectual disability affect all individuals with inv dup(15) and are usually moderate to profound.
  • Expressive language is often absent or very poor, and comprehension is limited.
  • Seizures can occur in these individuals, with onset between 6 months and 9 years.

Takeaway

Kids with inv dup(15) syndrome often have trouble learning and communicating, and they might act a bit like kids with autism.

Methodology

The study involved clinical descriptions, cytogenetic analysis, and molecular characterization of patients with inv dup(15) syndrome.

Limitations

The incidence may be underestimated due to subtle features and lack of diagnosis in older individuals.

Participant Demographics

The syndrome affects individuals of both sexes with an incidence of approximately 1 in 30,000 births.

Digital Object Identifier (DOI)

10.1186/1750-1172-3-30

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