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Allergy & Immunology
Sys. Review
Overlapping IgG4-Related Nephritis and ANCA Glomerulonephritis in Elderly Woman
A Woman's Kidneys Show Two Rare Diseases at Once
An 81-year-old woman presented with concurrent IgG4-related tubulointerstitial nephritis and ANCA-associated glomerulonephritis, highlightin…
A new case report shows two rare kidney diseases can occur together, which helps doctors avoid misdiagnosis and choose the right treatment.
Frontiers
May 12, 2026
Allergy & Immunology
Meta-analysis
Meta-analysis finds high prevalence of allergy, eosinophilia, and hyper-IgE in IgG4-RD
Allergies may be a hidden warning sign for this rare disease
This meta-analysis of patients with IgG4-related disease found pooled proportions of 0.44 for allergy, 0.22 for eosinophilia, and 0.73 for h…
If you have stubborn allergies along with other puzzling symptoms, new research suggests they could be an early clue to a rare immune diseas…
May 2, 2026