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Reactive vs. Psoriatic Arthritis
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Reactive vs. Psoriatic Arthritis

I am a 25yr old female and I was recently diagnosed with what is either reactive arthritis or psoriatic arthritis.
My question is : how does one differentiate between the two diseases?
My ANA was 1:800 and 1:640 (tested by two different labs). Is this relevant to the diagnosis?
The RF and CCP were negative.

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1083596_tn?1313398276
Dear Friend,
Psoriatic arthritis  can have the following things -
1) Psoriasis like features affecting skin.
2) Involvement of other organs like eye,GI tract, etc.

Reactive arthritis occurs in reaction to -
1) Disease,
2) Fever,
3) Injury,
4) Climatic Changes.

Other features will be the same of both the arthritis. ANA will be raised in both the cases. RF / CCP are generally negative in these cases as the values are high in the Rheumatoid arthritis.

Feel free to post new, for further questions/discussions.
Reagrds
3 Comments
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Thank you very much Dr. Ghosh!

I have a bit of a more detailed question-. What if one has psoriasis and had a GI infection before the joint swelling/ diagnosis. How would one differentiate between the two diseases - clinically?  Why would the ANA be raised in both cases?

Thank you very much for your time!
Helga
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1083596_tn?1313398276
Dear Buddy,
Yes ANA can be raised in both the cases.
Clinical examination can be the only differentiating criteria in this.
Regards
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