ANA (antinuclear antibody) is seen in all except-: (A) SLE, (B) RA, (C) Sjogren's syndrome, (D) Systemic sclerosis
Answer is B. harshmohan textbook of pathology 7th edition. *in SLE ANA present in 90%of cases and are used as screening test. *in systemic sclerosis ANA detected in majority of cases. *sjogren' s syndrome presence of ANA in 90%cases. *in rheumatoid ahritis anti CCP antibodies for evaluation of association of RA factor with HLA