In Brazilian patients with a variety of known ARDs (N=138; 87 with systemic lupus erythematosus, 45 with systemic sclerosis, 11 with Sjögren syndrome, and 10 with inflammatory myopathy) and healthy ...

January 12, 2011 — Up to 13% of healthy people test positive for antinuclear antibodies (ANA), which are associated with autoimmune disorders such as rheumatoid arthritis, Sjögren's syndrome, or ...

The presence of antinuclear antibodies (ANA) indicates the possibility of autoimmunity and the indirect immunofluorescence (IIF) assay on HEp-2 cells is the standard blood test (ANA-HEp-2) used to ...

An ANA report has three parts: (1) a positive or negative result; (2) if positive, what the titer is; and (3) the pattern of fluorescence. ANA patterns. Titers and patterns can vary between laboratory ...