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The great mimicker: IgG4-related disease
Rodolfo Perez Alamino1, Luis R Espinoza, Arnold H Zea
1Section of Rheumatology, Department of Internal Medicine, LSU Health Sciences Center, 1542 Tulane Avenue, New Orleans, LA 70112-2822, USA. rpere2@lsuhsc.edu
Clinical Rheumatology
|July 24, 2013
Summary
Immunoglobulin G4-related disease (IgG4-RD) is a multi-organ disorder with debated pathophysiology and treatment. Further research is needed to clarify its natural history, IgG4
Area of Science:
- Immunology
- Rheumatology
- Pathology
Background:
- Immunoglobulin G4-related disease (IgG4-RD) is a systemic condition affecting multiple organs.
- It unifies diverse clinical diagnoses previously thought to be organ-specific.
- Key aspects of its pathophysiology, including IgG4's role and biomarker utility, remain controversial.
Purpose of the Study:
- To review the current understanding of IgG4-related disease.
- To highlight controversies in its pathophysiology and natural history.
- To discuss current treatment strategies and remaining challenges.
Main Methods:
- Literature review of IgG4-related disease.
- Synthesis of current research on pathophysiology.
- Analysis of treatment guidelines and outcomes.
Main Results:
- IgG4-RD presents as a multi-organ disorder with varied manifestations.
- Controversies persist regarding the disease's natural history and the specific role of IgG4.
- Glucocorticoids are the primary treatment, but long-term management and refractory cases require further elucidation.
Conclusions:
- IgG4-related disease is a complex systemic disorder.
- Further research is essential to resolve pathophysiological debates and optimize treatment.
- Management strategies need refinement for long-term control and refractory disease.
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