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Imunodeficiência combinada grave

Last reviewed: 9 Aug 2025
Last updated: 09 Nov 2022

Summary

Definition

History and exam

Key diagnostic factors

  • presença de fatores de risco
  • infecções recorrentes e incomumente graves
  • diarreia crônica
  • retardo do crescimento pôndero-estatural
  • ausência do tecido linfoide
Full details

Other diagnostic factors

  • erupção cutânea
  • úlceras orais ou genitais
  • microcefalia
  • anormalidades esqueléticas
  • cegueira
  • distonia
  • sensibilidade à radiação
Full details

Risk factors

  • História familiar de IDCG
  • História familiar de morte infantil
  • Índios norte-americanos falantes de atabascano
  • Consanguinidade
Full details

Diagnostic tests

1st tests to order

  • Hemograma completo
  • citometria de fluxo
  • radiografia torácica
  • teste quantitativo de imunoglobulinas (IgG, IgM e IgA)
Full details

Tests to consider

  • ultrassonografia do tórax
  • TC do tórax
  • ressonância nuclear magnética (RNM) do tórax
  • fundoscopia
  • testes enzimáticos
  • ácido úrico sérico
  • estudos de proliferação de células T
  • testagem da viremia baseada em reação em cadeia da polimerase
  • sensibilidade à radiação das culturas de fibroblastos
  • teste genético
Full details

Treatment algorithm

ACUTE

imunodeficiência combinada grave (IDCG) confirmada

Contributors

Authors

Javier Chinen, MD, PhD

Professor

Pediatrics, Allergy, and Immunology

Baylor College of Medicine

Texas Children’s Hospital

Houston

TX

Disclosures

JC declares that he has no competing interests.

Acknowledgements

Dr Chinen would like to gratefully acknowledge Dr John M. Cunningham, Dr James L. LaBelle, Dr John Routes, Dr James Verbsky, Dr Nicole Chase, and Dr Ebrahim Shakir, the previous contributors to this topic.

Disclosures

JLL, JR, JV, and NC are authors of references cited in this topic. JMC and ES declare that they have no competing interests.

Peer reviewers

Elizabeth Secord, MD

Professor of Pediatrics

Division of Immunology

Wayne State University School of Medicine

Detroit

MI

Disclosures

ES declares that she has no competing interests.

Waseem Qasim, BMedSci (Hons), MBBS, MRCP (UK), MRCPCH, PhD

Senior Lecturer

Institute of Child Health

Consultant in Paediatric Immunology & Bone Marrow Transplantation

Great Ormond Street Hospital

London

UK

Disclosures

WQ declares that he has no competing interests.

Peer reviewer acknowledgements

BMJ Best Practice topics are updated on a rolling basis in line with developments in evidence and guidance. The peer reviewers listed here have reviewed the content at least once during the history of the topic.

Disclosures

Peer reviewer affiliations and disclosures pertain to the time of the review.

References

Our in-house evidence and editorial teams collaborate with international expert contributors and peer reviewers to ensure that we provide access to the most clinically relevant information possible.

Key articles

Bousfiha A, Moundir A, Tangye SG, et al. The 2022 update of IUIS phenotypical classification for human inborn errors of immunity. J Clin Immunol. 2022 Oct 6 [Epub ahead of print]. Abstract

Tangye SG, Al-Herz W, Bousfiha A, et al. Human inborn errors of immunity: 2022 update on the classification from the International Union of Immunological Societies Expert Committee. J Clin Immunol. 2022 Jun 24;1-35 [Epub ahead of print].Full text  Abstract

Bonilla FA, Khan DA, Ballas ZK, et al. Practice parameter for the diagnosis and management of primary immunodeficiency. J Allergy Clin Immunol. 2015 Nov;136(5):1186-205.e1-78.Full text  Abstract

Buckley RH. Molecular defects in human severe combined immunodeficiency and approaches to immune reconstitution. Ann Rev Immunol. 2004:22:625-55. Abstract

Heimall J, Buckley RH, Puck J, et al. Recommendations for screening and management of late effects in patients with severe combined immunodeficiency after allogenic hematopoietic cell transplantation: a consensus statement from the second pediatric blood and marrow transplant consortium international conference on late effects after pediatric HCT. Biol Blood Marrow Transplant. 2017 Aug;23(8):1229-40.Full text  Abstract

Candotti F, de Villartay JP, Moshous D, et al. Severe combined immune deficiency. In: Sullivan KE, Stiehm ER, eds. Stiehm’s immune deficiencies: inborn errors in immunity. 2nd ed. Cambridge, MA: Academic Press, 2020:153-205.

Reference articles

A full list of sources referenced in this topic is available to users with access to all of BMJ Best Practice.
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