17q21.31 microduplication syndrome

What is 17q21.31 microduplication syndrome?

The newly described 17q21.31 microduplication syndrome is associated with a broad clinical spectrum, of which behavioral disorders and poor social interaction seem to be the most consistent.

Other condition names

  • Dup(17)(q21.31)
  • Trisomy 17q21.31

Inheritance type

Not applicable, Unknown


  • Europe: 1-9 in 1,000 000

Age of Onset

  • Infancy
  • Neonatal
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