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13 Ιουν 2021 · Many normal individuals will have a positive test at low titers. Even when detected at high titer, a positive ANA result, by itself (in the absence of symptoms or physical findings), does not indicate that a patient either has, or will develop, an autoimmune disease. Some ANA appear to be unrelated to the development of autoimmune disorders.
Sometimes ANA test results can be positive when a person is healthy. Though the test is positive, the level of antibodies is usually low. Some healthy people can have an increased amount of ANA in their blood.
1 Ιουν 2022 · Greater than or equal to 6.0 U is strongly positive. Different connective tissue diseases are associated with a different frequency of ANA positivity (see the image below). An antibody pattern...
Positive results are reported as 1) the immunofluorescence pattern (eg Homogenous, Speckled etc) and 2) the titre to indicate if this is a high positive or low positive ANA result.
A positive result on an ANA test means that antinuclear antibodies were found in your blood. You may get a positive result if: You have SLE (lupus). You have a different type of autoimmune disease. You have a viral infection. A positive result doesn't necessarily mean you have a disease. Some healthy people have antinuclear antibodies in their ...
ANA testing lacks specificity due to the high incidence of positive results found in the general population in the absence of clinical rheumatologic disease. The incidence of positive results increases with age and is higher in females.
1 Ιουν 2013 · Positive ANA tests may also be seen in a wide range of diseases other than CTD where they have no diagnostic or prognostic value. 7,8,14 Individuals with viral infections can have positive ANA for a short time. Some medications (e.g., some statins, β-blockers, ACE inhibitors and NSAIDs) and conditions, i.e., cancer, can also cause a positive ANA.
