4q21 microdeletion syndrome
What is 4q21 microdeletion syndrome?
The 4q21 microdeletion syndrome is a newly described syndrome associated with facial dysmorphism, progressive growth restriction, severe intellectual deficit and absent or severely delayed speech.
Other condition names
- Del(4)(q21)
- Monosomy 4q21
Inheritance type
Not applicable, Unknown
Prevalence
- Worldwide: <1 in 1,000 000
Age of Onset
- Infancy
- Neonatal
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on "https://www.orphadata.com". Data version 1.3.16 / 4.1.7.