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 ...

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 ...

An ANA blood test is used to find antinuclear antibodies that can be linked to autoimmune diseases. The test shows a positive result if fluorescent cells are observed under a microscope. A positive ...

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 ...

DEAR DR. ROACH: I am a 58-year-old healthy female. I am 6 feet tall, and weigh 130 pounds. My last blood pressure reading was 100/58. I have Raynaud’s phenomenon. I exercise every day (walk, bike, ...

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 ...

Antinuclear antibodies (ANA) are autoantibodies directed against the nuclei of some of one’s own body cells. They are present in the blood in persons with certain autoimmune disorders. An autoimmune ...

Stress isn’t usually the direct cause of a positive ANA test, but it can influence the immune system, potentially exacerbating symptoms in those with autoimmune disorders. If you have symptoms like ...