associated disorders

Last reviewed 09/2021

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