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Autoimmune antibody test is not a single test. It usually start with a screening test called anti nuclear antibodies and then further tests as required based on the initial clinical assessment. These can include an extractable nuclear antigens or ENA and tests for various other illness. These tests are usually done if someone is suspected of having an auto immune disease like SLE .
I would be happy to answer if you could give me more details about what actually your problem is and what test has been advised to you ?
Feel free to ask if any more question
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Sorry to hear your problem
It seems you have an ANA testing done. It is a screening test for auto immune diseases. If the result comes positive then further testing can be ordered to find if there is any evidence of a autoimmune process
No if you have a negative testing then further tests might not be required. It is also important that what is the clinical assessment of your doctor who has examined you. He might order further testing if he suspect something based on your history and examination.But your symptoms are so vague to fit in any of these diagnosis
Fibromyalgia is a clinical diagnosis and needs no further testing. If any specific neuropathy is considered a nerve conduction studieswill be helpful
There are certain differences although some clinician believe these are overlapping condition. To diagnose fibromyalgia a clinical criteria has been established comprising widespread pain index and symptom severity index. Some believe fatigue is more marked in CFS. CFS has a separate diagnostic criteria. Tender lymphadenopathy,sore throat etc are features of CFS
Yes both of them are neuropathies and NCS or nerve conduction studies are very helpful in evaluation of these disorders
Yes you need NCS to see if any abnormality consistent with these problem is detected
Actually your symptoms have been so vague and doesn,t fit in any specific disease category. Usually GBS is an acute condition and will not be going like this for four years. CIDP have abnormal examination finding. You can discuss with the doctor and you can even take an opinion from neurologist
If your GP thinks it is a neuropathic pain then you can ask for a NCS