RF can also be seen in other autoimmune diseases and some chronic infections.

Anti-nuclear antibodies are only screening results, depending on what antibodies are positive and whether there are corresponding clinical symptoms.

(Dr. Guo Qiang from Yan Chai Hospital solemnly reminds me that because I can't meet the patient face to face, I can't fully understand the condition. The above suggestions are for reference only. Please go to the hospital for specific diagnosis and treatment under the guidance of a doctor! )