Diseases

Severe Combined Immunodeficiency

Group of rare congenital disorders characterized by impairment of both humoral and cell-mediated immunity, leukopenia, and low or absent antibody levels. It is inherited as an X-linked or autosomal recessive defect. Mutations occurring in many different genes cause human Severe Combined Immunodeficiency (SCID).

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Group of rare congenital disorders characterized by impairment of both humoral and cell-mediated immunity, leukopenia, and low or absent antibody levels. It is inherited as an X-linked or autosomal recessive defect. Mutations occurring in many different genes cause human Severe Combined Immunodeficiency (SCID).

MeSH Record

Classification

Related Concepts

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MeSH Record

Synonyms

25 entry terms
  • Immunodeficiency Syndrome, Severe Combined
  • Immunodeficiency, Severe Combined
  • Immunologic Deficiency, Severe Combined
  • Severe Combined Immune Deficiency
  • Severe Combined Immunodeficiency Syndrome
  • Severe Combined Immunologic Deficiency
  • Combined Immunodeficiencies, Severe
  • Combined Immunodeficiency, Severe
  • Immunodeficiencies, Severe Combined
  • Severe Combined Immunodeficiencies
  • Bare Lymphocyte Syndrome
  • Omenn Syndrome
  • Omenn's Syndrome
  • Reticuloendotheliosis, Familial
  • Bare Lymphocyte Syndromes
  • Familial Reticuloendothelioses
  • Familial Reticuloendotheliosis
  • Lymphocyte Syndrome, Bare
  • Lymphocyte Syndromes, Bare
  • Omenns Syndrome
  • Reticuloendothelioses, Familial
  • Syndrome, Bare Lymphocyte
  • Syndrome, Omenn
  • Syndrome, Omenn's
  • Syndromes, Bare Lymphocyte

MeSH Record

Aspects Covered

34 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Record

History Note

1992

MeSH Record

Previous Indexing

  • Immunologic Deficiency Syndromes (1974-1991)

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

QW 740

AMA Style

References

  1. National Library of Medicine. Severe Combined Immunodeficiency. Medical Subject Headings (MeSH). 2026. Unique ID D016511. http://id.nlm.nih.gov/mesh/2026/D016511
  2. Severe Combined Immunodeficiency. In: Wikipedia. https://en.wikipedia.org/wiki/Severe_combined_immunodeficiency
  3. Severe Combined Immunodeficiency. In: Wikidata. https://www.wikidata.org/wiki/Q1334408