Table 1.
Rheumatoid arthritis |
Juvenile idiopathic arthritis |
Other chronic inflammatory arthritides |
Bronchiectasis |
Familial Mediterranean fever |
Unknown cause |
Crohn’s disease |
Other source of chronic sepsis (osteomyelitis, tuberculosis, etc) |
Injection-drug abuse |
Complications of paraplegia |
Castleman’s disease |
TNF-receptor associated periodic fever syndrome |
Neoplasia |
Vasculitis |
Muckle–Wells syndrome |
Abbreviation: TNF, tumor necrosis factor.