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Related Experiment Videos

Fevers and mouth ulcers.

J Teo1, M Codarini

  • 1The Children's Hospital at Westmead, NSW, Australia.

Journal of Paediatrics and Child Health
|March 12, 2002
PubMed
Summary
This summary is machine-generated.

Hyper-IgM syndrome, often X-linked, presents with recurrent infections and neutropenia in male children. Early diagnosis and treatment with immunoglobulin and antibiotics are crucial for managing this immune deficiency.

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Area of Science:

  • Immunology
  • Genetics
  • Pediatrics

Background:

  • Mouth ulcers can indicate underlying conditions like neutropenia.
  • Hyper-IgM syndrome is a primary immunodeficiency.
  • The X-linked form is frequently caused by CD40 ligand gene mutations.

Observation:

  • Consider hyper-IgM syndrome in male children with recurrent bacterial or opportunistic infections.
  • Key indicators include neutropenia, hypogammaglobulinaemia (IgG and IgA), and normal T- and B-cell counts.
  • Serum IgM levels may be normal in approximately 50% of X-linked hyper-IgM syndrome cases.

Findings:

  • Neutropenia, either transient or persistent, affects about 70% of patients with X-linked hyper-IgM syndrome.
  • This condition impairs the immune system's ability to fight infections.

Related Experiment Videos

  • Genetic mutations in the CD40 ligand gene are a primary cause.

    • Implications:

    • Early diagnosis of hyper-IgM syndrome is vital for affected male children.
    • Regular intravenous immunoglobulin infusions are a primary treatment.
    • Prophylactic antibiotics, such as trimethoprim-sulfamethoxazole, are recommended to prevent infections.