Ferritin in Adult-Onset Still’s Disease: Just a Useful Innocent Bystander?

Table 1

Diseases in which ferritin levels increase or decrease.

Ferritin levels increase	Ferritin levels decrease
Adult-Onset Still’s Disease [2]	Anemia [4]
Rheumatoid arthritis [5]	Restless leg syndrome [6]
Macrophage activation syndrome [7]	Neuroferritinopathy [8]
Multiple sclerosis [9]	Vitamin C deficiency
Haemochromatosis [10–12]	Celiac disease [13]
Haemosiderosis [10–12]	Hypothyroidism [14]
Haemophagocytic lymphohistiocytosis [15, 16]
Diabetes [17]
Hepatitis C infection [17, 18]
Glomerular diseases [19]
Hyperferritinemia cataract syndrome [20]
Chronic blood transfusions [21]
Non-HIV infections [22]
Malignancies [22]
Type 1 Gaucher’s disease [23]