associated disorders

Last edited 04/2023 and last reviewed 05/2023

Associated disorders include:

• polyarthritis - about 10% of cases have rheumatoid arthritis; rheumatoid factor is positive in about 35% of cases.
• autoimmune chronic hepatitis occurs in about 5 to 10% of cases
• thyroid disease
• systemic lupus erythematosus
• systemic sclerosis
• dermatomyositis.