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Syndrome reference sheet
Generated 13 Oct 2026
Genetics · Genetics / Chromosomal disorders Trisomy 9 mosaic syndrome
Also known as: Mosaic trisomy 9
Mosaic trisomy 9 with growth retardation and heart defects.
- Medical specialty
- Genetics
- Subspecialty
- Genetics / Chromosomal disorders
- Sex & age distribution
- Male: affected; Female: affected; Children: yes
- Gene(s) involved
- None recorded
Etiology & mechanism
Mosaic extra chromosome 9.
Gene(s) involved (0)
No gene recorded.
Symptoms & signs (5)
developmental delaydysmorphismgrowth retardationheart defectsjoint contractures