🧬 SyndromeScope
Syndrome reference sheet
Generated 13 Oct 2026
Hematology · Hematology / Lymphoproliferative disorders Omenn syndrome
Also known as: Severe combined immunodeficiency with erythroderma
Leaky SCID with erythroderma, eosinophilia and lymphadenopathy.
- Medical specialty
- Hematology
- Subspecialty
- Hematology / Lymphoproliferative disorders
- Sex & age distribution
- Male: affected; Female: affected; Children: yes, infancy
- Gene(s) involved
- ADA, DCLRE1C, IL7R, RAG1, RAG2, RMRP
Etiology & mechanism
Hypomorphic RAG variants.
Gene(s) involved (6)
ADADCLRE1CIL7RRAG1RAG2RMRP
Symptoms & signs (7)
alopeciadiarrheaeosinophiliaerythrodermafailure to thrivehepatosplenomegalylymphadenopathy