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The demyelination and scarring of axons in the neurons of the nervous system can affect their conduction properties and seriously harm the normal communication of the brain with the rest of the body. Multiple sclerosis (MS) is a disease that causes this deterioration of the myelin sheath. There isn't a unique test to diagnose MS and several ...
“Alzheimer’s disease has a long pre-symptomatic period; Alzheimer’s-related changes take place in the brain 10, 15, even 20 years before the onset of memory and thinking symptoms.
Needle EMG has limitations, however, in that it does involve voluntary activation of muscle, and as such is less informative in patients unwilling or unable to cooperate, children and infants, and in individuals with paralysis. Surface EMG can have limited applications due to inherent problems associated with surface EMG.
A special characteristic that makes a difference between MS and the several kinds of ADEM is the structure of the lesions, being strictly perivenous in ADEM and showing a confluence around veins in MS. Given that ADEM can be multiphase sometimes and MS can appear in children, this characteristic is often considered as the line that separates ...
Childhood dementia is very often diagnosed late, misdiagnosed, or not diagnosed at all. [9] A correct diagnosis happens, on average, 2 years or more after symptoms become apparent. Additionally, children affected by childhood dementia are often misdiagnosed with: Autism [16] [9] [17] Developmental or intellectual delay [16] [9] ADHD [9] Others [9]
Having anxiety and depression is also linked with a higher risk of dementia, she points out. Overall, “all indications point to cell stress as occurring early in disease,” Huseby says.
Several conditions can mimic MS. Given the unknown pathogenesis of MS, its differential diagnosis is based in exclusion of known conditions. [citation needed] Very close diseases with similar symptoms are the whole "inflammatory demyelinating diseases spectrum", specially neuromyelitis optica and anti-MOG associated encephalomyelitis. [citation ...
Consequently, this reduction in conduction can lead to deficiencies in sensation, movement, cognition, or other functions depending on the nerves affected. Various factors can contribute to the development of demyelinating diseases, including genetic predisposition, infectious agents, autoimmune reactions, and other unknown factors. Proposed ...
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