Rheumatoid factors are antibodies that attach to other antibodies. This may be associated with inflammation. It is a test used to help in the diagnosis of rheumatoid arthritis . However, there are many other conditions associated with a positive rheumatoid factor. These conditions include Sjogren's syndrome , viral illnesses (including hepatitis), tuberculosis, endocarditis, malignancy, and other inflammatory illnesses. It is not uncommon for rheumatoid factor to be detected in healthy individuals. Approximately 1% to 2% of healthy people have detectable serum rheumatoid factor. And 10 to 20 % of rheumatoid arthritis patients are NOT rheumatoid factor positive. Those rheumatoid arthritis patients who are rheumatoid factor positive are at greater risk for more aggressive disease, including inflammation outside the joints---such as rheumatoid lung or inflammation of the eye. Patients with a positive rheumatoid factor are also more prone to have rheumatoid nodules ---th...
Alternative Names Thyroglobulin antibody Normal Values A negative test is normal. A negative test means no antibodies to thyroglobulin are found in your blood. Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results. What abnormal results mean A positive test means antithyroglobulin antibodies are found in your blood. This may be due to: Graves disease Hashimoto's thyroiditis Hypothyroidism Myxedema Systemic lupus erythematosus (SLE) Thyroid cancer Thyrotoxicosis Type 1 diabetes Pregnant women and relatives of those with autoimmune thyroiditis may also test positive for these antibodies.
Understanding Herpes Testing
The most important fact to know in terms of Herpes testing is that
blood testing with an IgG test is the BEST test for diagnosing the disease.
first see the doctor for a suspicious genital ulcer, your health care provider
may ask a lot of really personal and embarrassing questions. Know
that having an accurate sexual history as well as a description of your
symptoms is very important as your health care provider evaluates you. Be honest.
medical history and physical examination alone can not diagnose herpes.
I've seen a
lot of genital herpes, but it's easy to be fooled. I've had patients who had lesions in unusual
places or didn't have a typical story that I mistook for abscesses - only after
they failed antibiotics did I do the culture and verify that it was
On the other hand, I've seen some very typical appearing ulcers on the genitals
that turned out NOT to be herpes.
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