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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
ANA (antinuclear antibody) is seen in all except:
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The correct answer is  Ans. (b) RA(Ref: Harrison 18th/chapter 321, 323)Antibodies seen in RA are rheumatoid factors (RFs) and anti-cyclic citrullinated peptides (CCP) antibodies ANA is seen in:Almost all (>95%) cases of SLEIn virtually all patients with SSc (Systemic sclerosis)50% to 80% cases of Sjogren syndrome