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Syndrome reference sheet
Generated 12 Oct 2026
Rheumatology · Rheumatology / Autoinflammatory disease

Behçet-like haploinsufficiency of A20 syndrome

Also known as: HA20

Early-onset Behçet-like autoinflammatory disease.

Medical specialty
Rheumatology
Subspecialty
Rheumatology / Autoinflammatory disease
Sex & age distribution
Male: affected; Female: affected equally; Children: yes
Gene(s) involved
TNFAIP3

Etiology & mechanism

TNFAIP3 haploinsufficiency.

Gene(s) involved (1)

TNFAIP3

Symptoms & signs (5)

arthritisfevergastrointestinal inflammationgenital ulcersoral ulcers
SyndromeScope — educational reference. Content is model-generated and not clinically verified; always confirm against OMIM, Orphanet and GeneReviews before clinical use.