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Diagnosis of MS has always been made by clinical examination, supported by MRI or CSF tests. According with both the pure autoimmune hypothesis and the immune-mediated hypothesis, [ 5 ] researchers expect to find biomarkers able to yield a better diagnosis, and able to predict the response to the different available treatments.
No screening test is wholly specific, and a high level of tumor marker can still be found in benign tumors. The only tumor marker currently used in screening is PSA (prostate-specific antigen). Diagnostics; Tumor markers alone can't be used for diagnostic purposes, due to lack of sensitivity and specificity. [5]
Not all cancer biomarkers have to be specific to types of cancer. Some biomarkers found in the circulatory system can be used to determine an abnormal growth of cells present in the body. All these types of biomarkers can be identified through diagnostic blood tests, which is one of the main reasons to get regularly health tested.
A new study found that in about 10% cases of multiple sclerosis, the body begins producing a distinctive set of antibodies against its own proteins years before symptoms emerge. “Multiple ...
Unusual types of MS have been described; these include Devic's disease, Balo concentric sclerosis, Schilder's diffuse sclerosis, and Marburg multiple sclerosis. There is debate on whether they are MS variants or different diseases. [31] Multiple sclerosis behaves differently in children, taking more time to reach the progressive stage. [5]
Malignant MS cases are not common, less than 5% of patients with MS experience this type of progression. [ 2 ] The National MS Society Advisory Committee on Clinical Trials of New Agents consensus defined it as: disease with a rapid progressive course, leading to significant disability in multiple neurologic systems or death in a relatively ...
In medicine, a biomarker is a measurable indicator of the severity or presence of some disease state. It may be defined as a "cellular, biochemical or molecular alteration in cells, tissues or fluids that can be measured and evaluated to indicate normal biological processes, pathogenic processes, or pharmacological responses to a therapeutic intervention."
Multiple sclerosis patients do not have it in blood, but it has been shown that 13% of tested patients reacted with the epitope AQPaa252-275. It is not known if these antibodies define distinct MS subsets, or are simply markers of astrocytic damage
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