Doctor insights on:
Does Rheumatoid Arthritis Always Show Up In Blood Work
Possible negative: Rheumatoid factor (rf) and cyclic citrinullated peptide (ccp) are the two tests that help confirm a diagnosis of rheumatoid arthritis. Other tests are done to measure inflammation, determine which drugs may be used, etc. About 15% of people with RA are rf and ccp negative. ...Read moreSee 1 more doctor answer
Arthritis: There are many types of arthritis, some of which are degenerative or post-traumatic. The other general kind of arthritis is inflammatory. The classification of type requires a history, examination, diagnostic x-rays, and if indicated, blood tests. Treatment is determined by type of arthritis. Not all patients with RA have positive blood tests. Occasionally, blood tests are done a few times. ...Read more
Yes: In ~ 40% of people with bona fide Rheumatoid Arthritis (RA) the RHEUMATOID FACOR (RF) test will never be positive. Non specific tests that measure inflammation (WESR/CRP) may also be normal in early RA. The CCP test, however, is very sensitive in early RA ; ~ 80/90% of the time it will be (+). One of the "best" tests is to see a doctor who can recognize the early signs of RA: synovitis of joints. ...Read more
2 Things I Don't Say: I tend to avoid using "always" or "never." so no, arthritis doesn't always show up on an mri. You might see changes in a joint related to arthritis: spurs or osteophytes in osteoarthritis (wear and tear arthritis), or perhaps joint erosion in rheumatoid arthritis. Mris generally are good tests for showing soft tissue changes - and they have the advantage of using no radiation (xray). Lgromkomd. ...Read moreSee 1 more doctor answer
Yes, but....: Almost all lupus patients have anti-nuclear antibodies in their blood at significant levels, there are other blood tests, but the whole clinical picture needs to be considered before a diagnosis is made, and since no one truly knows what lupus is, some people carry the diagnosis of "borderline / questionable" lupus, and may or may not get treated. ...Read moreSee 2 more doctor answers
Different ways: Tumor markers, or blood tests for certain cancers can be used for screening, or to evaluate treatment. They are not "diagnostic" of cancer, and some are more specific than others. Psa is specific for prostate cancer but elevated psa is not diagnostic for prostate ca. Cea is useful for evaluating several types of cancer once diagnosed, but isn't at all a screening test. ...Read more
No: In fact not usually. Psa so far has most data for screening for & evaluating prostate cancer. Other tumor markers are less reliable but can supplement other studies. We need to be cautious considering either screening for or following cancer solely based on blood tests. ...Read moreSee 1 more doctor answer
Maybe: Hashimoto's disease is classically manifested with positive anti thyroid antibodies, usually anti thyroid peroxidase and to a lesser extent, anti thyroglobulin. On the other hand, hypothyroidism is defined by high TSH and/or low t4. If they one thing in common, that will be high or high normal tsh. ...Read moreSee 1 more doctor answer
No: Kidney infections are diagnosed from a urine analysis and symptoms. The urine culture should be positive for bactia. The blood work is sometimes helpful suggesting that an infection is present. The urine usually has white blood cells present and the dipstick is positive for nitrites. Patient complaints are flank pain, fever, nausea, vomiting, burning with urinatin. ...Read more
Not all cancers: Most cancers are not detected in the blood initially. There are a few that produce markers that allow us to screen patients for cancer with a blood test. Prostate cancer is the most common. There are some blood markers that are used to detect GI cancers as well as to follow patients with gyn cancers as well as breast. Testicular cancer also has commonly used markers. Must be in context of case. ...Read more
Not often enough: If your test shows pancreatic inflammation, appropriate to your symptoms ; risks pursue further evaluation with your doctor to clarify the cause of pancreatitis. No smoking, alcohol for now, ; consider diet restrictions. Could problem instead be pancreatic maldigestion, tumor, cyst, secretory, poor Insulin production, autoimmune, congenital, due to exogenous factors--can you be more specific here? ...Read more
Blood test shows markers for lupus and rheumatoid arthritis,cbc showed high white blood count. What does this mean? Do I have the auto immune issues
No, unless advanced: Early changes of arthritis do not show up on plain radiography. Plain radiography looks for mineralization, erosions , spurs, and joint narrowing. Radiography shows advanced changes. Mr and us are more sensitive for soft tissue changes.Depending on arthritis blood tests are important gages of activity of some forms of arthritis. ...Read moreSee 1 more doctor answer
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