Two years ago I was diagnosed with MCTD . My ANA was positive , alongside my RNP. I had the panel retested, and Anti-SM is now positive alongside RNP and ANA. Does anyone know why?
Changing antibodies : Two years ago I was diagnosed... - LUPUS UK
Changing antibodies
Written by
Kikime
To view profiles and participate in discussions please or .
2 Replies
•
According to the Johns Hopkins Lupus centre website, anti-Smith (SM) is "found almost exclusively in people with lupus" but doesn't seem to correlate with either lupus renal disease or disease flares. hopkinslupus.org/lupus-test...
I'm not sure that it is considered diagnostic of lupus, however, as anti-SM alone is not sufficient for a lupus diagnosis, nor does it seem to indicate a particular treatment course academic.oup.com/rheumatolo...
Sorry I can't offer anything more definitive x
Not what you're looking for?
You may also like...
POSITIVE ANA but negative antibodies.
there. I have had many symptoms and flares. Went to the GP and bloodwork showed positive ANA...
Significance of negative antibodies
have been tentatively diagnosed with Behcet's, however, I have a positive ANA speckled, at 1:80.
I...
What changes ANA results?
negative for ANA and they didn't test dsDNA.
Could ANA change from Positive to Negative due to 6...
Lupus anticoagulant antibody
My ANA and Anti Ro came back positive again as expected. However, to my surprise, 3 months ago my...
igm anticardiolipin antibodies
Finally got app to see GP I spoke to on Tues. Almost had a breakdown on the phone trying to see her...