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McDonald criteria propose a clinical diagnosis based on a pathological definition, saying that the focus for diagnosis "remains on the objective demonstration of dissemination of lesions in both time and space" (DIT and DIS). But given that other diseases produce similar lesions, it is also required that those lesions cannot be explained by any ...
Drawing of sclerotic lesions from Babinski's thesis "Etude anatomique et clinique de la sclérose en plaques", 1885. Multiple sclerosis (MS) can be pathologically defined as the presence of distributed glial scars in the central nervous system that must show dissemination in time (DIT) and in space (DIS) to be considered MS lesions. [1] [2]
For DIS: 1 or more T2 lesion in at least 2 of 4 MS-typical regions of the CNS (periventricular, juxtacortical, infratentorial, or spinal cord); or Await a second clinical attack implicating a different CNS site; and For DIT: Simultaneous presence of asymptomatic gadolinium-enhancing and nonenhancing lesions at any time; or A new T2 and/or ...
Myelin sheath damage in multiple sclerosis. Multiple sclerosis can be pathologically defined as the presence of distributed glial scars (or sclerosis) in the central nervous system disseminated in time (DIT) and space (DIS). [2] The gold standard for MS diagnosis is pathological correlation, though given its limited availability, other ...
Multiple sclerosis. Multiple sclerosis is an autoimmune disease, primarily mediated by T-cells. [15] The three main characteristics of MS are the formation of lesions in the central nervous system (also called plaques), inflammation, and the destruction of myelin sheaths of neurons.
Multiple sclerosis diagnosis can only be made when there is proof of lesions disseminated in time and in space. Therefore, when damage in the CNS is big enough to be seen. It would be desirable to make it faster. The ideal diagnosis schema would be able to determine for any given subject, if he will develop MS, at any point in his life, and when.
Nearly 2.3 million people are estimated to be living with multiple sclerosis around the world, but when Montel Williams received his official diagnosis back in 1999, not much was known about the ...
Currently the best predictor for clinical multiple sclerosis is the number of T2 lesions visualized by MRI during the CIS, but it has been proposed to complement it with MRI measures of BBB permeability [97] It is normal to evaluate diagnostic criteria against the "time to conversion to definite".
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