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The lack of standardization is a huge problem in diagnosis and tracking of neurological disorders: because they are so complex and often slow to develop, it is extremely difficult for a single ...
Accurate diagnosis of these Parkinson-plus syndromes is improved when precise diagnostic criteria are used. [2] Since diagnosis of individual Parkinson-plus syndromes is difficult, the prognosis is often poor. Proper diagnosis of these neurodegenerative disorders is important as individual treatments vary depending on the condition.
Differential diagnosis can be challenging due to the number of overlapping symptoms, shared between several motor neuron diseases. [14] Frequently, the diagnosis is based on clinical findings (i.e. LMN vs. UMN signs and symptoms, patterns of weakness), family history of MND, and a variation of tests, many of which are used to rule out disease ...
Medical imaging techniques like positron emission tomography can support the diagnosis. Parkinson's typically manifests in individuals over 60, with about one percent affected. In those younger than 50, it is termed "early-onset PD". No cure for Parkinson's is known, and treatment focuses on alleviating symptoms.
[70] [68] Increased oxidative DNA damage in the brain is associated with Alzheimer's disease and Parkinson's disease. [70] Defective DNA repair has been linked to neurodegenerative disorders such as Alzheimer's disease, amyotrophic lateral sclerosis, ataxia telangiectasia, Cockayne syndrome, Parkinson's disease and xeroderma pigmentosum. [70] [69]
ALS is the most common motor neuron disease in adults and the third most common neurodegenerative disease [61] after Alzheimer's disease and Parkinson's disease. [121] Worldwide the number of people who develop ALS yearly is estimated to be 1.9 people per 100,000 per year, while the number of people who have ALS at any given time is estimated ...