I have studied your case with diligence.
Accp is 98 percent specific for RA so it is more reliable for diagnosis of RA.
I will advise you to do Accp it confirm your doubt.Juvenile Rheumatoid arthritis
may involve small joints and early morning stiffness
in joints, If clinical and pathological reports match then early JRA diagnosis can be predicted.
Hope this answers your query. If you have additional questions or follow up queries then please do not hesitate in writing to us. I will be happy to answer your queries.
Wishing you good health.