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Syndrome reference sheet
Generated 12 Oct 2026
Pediatrics · Pediatrics / Pediatric genetics Cri du chat syndrome
Also known as: 5p deletion syndrome
5p deletion with cat-like cry and intellectual disability.
- Medical specialty
- Pediatrics
- Subspecialty
- Pediatrics / Pediatric genetics
- Sex & age distribution
- Male: affected; Female: affected, slight female predominance; Children: yes, from birth
- Gene(s) involved
- CTNND2, SEMA5A, TERT
Etiology & mechanism
Terminal deletion of the short arm of chromosome 5.
Gene(s) involved (3)
CTNND2SEMA5ATERT
Symptoms & signs (6)
epicanthal foldshigh-pitched cryhypotoniaintellectual disabilitymicrocephalyround face