🧬 SyndromeScope
Syndrome reference sheet
Generated 12 Oct 2026
Immunology · Immunology / Autoinflammatory disorders Haploinsufficiency of A20 syndrome
Also known as: HA20
Behçet-like autoinflammation.
- Medical specialty
- Immunology
- Subspecialty
- Immunology / Autoinflammatory disorders
- Sex & age distribution
- Male: affected; Female: affected; Children: yes
- Gene(s) involved
- TNFAIP3
Etiology & mechanism
TNFAIP3 haploinsufficiency.
Gene(s) involved (1)
TNFAIP3
Symptoms & signs (4)
arthritisfevergenital ulcersoral ulcers