Association between hepatitis C virus (HCV) infection and diseases
| *HCV infection in 80–90% of cases; †HCV infection in a significant percentage of patients when compared with the general population; suggested but unconfirmed association. |
| Established association* |
| Mixed cryoglobulinaemia (MC) (complete or incomplete MC syndrome) |
| Porphyria cutanea tarda |
| Significant association† |
| Autoimmune hepatitis |
| B cell non Hodgkin's lymphoma |
| Monoclonal gammopathies |
| Possible association‡ |
| Chronic polyarthritis |
| Sicca syndrome |
| Lung fibrosis |
| Polyarteritis nodosa |
| Poly/dermatomyositis |
| Thyroiditis/thyroid cancer |
| Diabetes mellitus |
| Lichen planus |
| Mooren corneal ulcers |