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Related Experiment Videos

IgG4 Aortitis: A Case Report.

Shivali Marketkar1, Mark LeGolvan2

  • 1Resident in Pathology, Rhode Island Hospital/ Alpert Medical School of Brown University, Providence, RI.

Rhode Island Medical Journal (2013)
|April 5, 2017
PubMed
Summary
This summary is machine-generated.

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Immunoglobulin G4-related aortitis (IgG4-RD) may be linked to infections. A case study found Streptococcus sanguis infection in a patient with IgG4-related aortic aneurysm, suggesting a potential association.

Area of Science:

  • Vascular Inflammation
  • Immunology
  • Infectious Disease

Background:

  • Immunoglobulin G4-related disease (IgG4-RD) encompasses various conditions, including IgG4 aortitis.
  • IgG4 aortitis presents with elevated serum IgG4, lymphoplasmacytic infiltrate, IgG4-positive plasma cells, storiform fibrosis, and obliterative phlebitis.
  • Previous research suggests a potential link between infections and IgG4 aortitis.

Observation:

  • This report details a patient with an infrarenal descending abdominal aortic aneurysm exhibiting features consistent with IgG4-RD.
  • The patient also had positive culture results for Streptococcus sanguis.

Findings:

  • The case demonstrates a co-occurrence of IgG4-related aortic aneurysm and Streptococcus sanguis infection.
  • This finding supports the hypothesis that infections may play a role in the development or exacerbation of IgG4 aortitis.
Keywords:
IgG4aortitisplasma cells

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Implications:

  • This case highlights the importance of considering infectious etiologies in patients diagnosed with IgG4-related aortitis.
  • Further research is warranted to elucidate the precise relationship between Streptococcus sanguis and IgG4-RD.
  • Understanding this association could lead to novel diagnostic and therapeutic strategies for IgG4-related aortic disease.