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Conditions that may show prominent tissue IgG4+ plasma cells in the absence of IgG4-RD
| Site | Condition |
|---|---|
| Oral cavity4 | Epulis plasmacellularis |
| Radicular cyst | |
| Carcinoma | |
| Colon4 | Diverticulitis |
| Synovium4 | Rheumatoid arthritis |
| Skin4 | Inflammatory skin conditions |
| Pancreas5 | Carcinoma |
| Lymph nodes | Castleman's disease6 |
| Follicular hyperplasia6 | |
| Interfollicular plasmacytosis6 | |
| Lymphoma7 | |
| Colon8 | Inflammatory bowel disease |
| Lung9 | Rosai–Dorfman disease |
| Aorta10 | Peri-aortitis |
IgG4-RD, IgG4-related disease.
