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  2. Alzheimer's disease - Wikipedia

    en.wikipedia.org/wiki/Alzheimer's_disease

    Alzheimer's disease (AD) is a neurodegenerative disease that usually starts slowly and progressively worsens. [2] It is the cause of 60–70% of cases of dementia. [2] [15] The most common early symptom is difficulty in remembering recent events. [1]

  3. Early-onset Alzheimer's disease - Wikipedia

    en.wikipedia.org/wiki/Early-onset_Alzheimer's...

    It is an uncommon form of Alzheimer's, accounting for only 5–10% of all Alzheimer's cases. About 60% have a positive family history of Alzheimer's and 13% of them are inherited in an autosomal dominant manner. Most cases of early-onset Alzheimer's share the same traits as the "late-onset" form and are not caused by known genetic mutations.

  4. Dementia - Wikipedia

    en.wikipedia.org/wiki/Dementia

    This is an accepted version of this page This is the latest accepted revision, reviewed on 26 January 2025. Long-term brain disorders causing impaired memory, thinking and behavior This article is about the cognitive disorder. For other uses, see Dementia (disambiguation). "Senile" and "Demented" redirect here. For other uses, see Senile (disambiguation) and Demented (disambiguation). Medical ...

  5. ICD-10 - Wikipedia

    en.wikipedia.org/wiki/ICD-10

    ICD-10 is the 10th revision of the International Classification of Diseases (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases. [1]

  6. Frontotemporal dementia - Wikipedia

    en.wikipedia.org/wiki/Frontotemporal_dementia

    Recent studies over several years have developed new criteria for the diagnosis of behavioral variant frontotemporal dementia (bvFTD). The confirmatory diagnosis is made by brain biopsy, but other tests can be used to help, such as MRI, EEG, CT, and physical examination and history. [49]

  7. Vascular dementia - Wikipedia

    en.wikipedia.org/wiki/Vascular_dementia

    Dementia may occur when neurodegenerative and cerebrovascular pathologies are mixed, as in susceptible elderly people (75 years and older). [2] [5] Cognitive decline can be traced back to occurrence of successive strokes. [4] ICD-11 lists vascular dementia as dementia due to cerebrovascular disease. [1]

  8. International Classification of Diseases - Wikipedia

    en.wikipedia.org/wiki/International...

    On 1 January 1999 the ICD-10 (without clinical extensions) was adopted for reporting mortality, but ICD-9-CM was still used for morbidity. Meanwhile, NCHS received permission from the WHO to create a clinical modification of the ICD-10, and has production of all these systems: ICD-10-CM, for diagnosis codes, replaces volumes 1 and 2. Annual ...

  9. Dementia with Lewy bodies - Wikipedia

    en.wikipedia.org/wiki/Dementia_with_Lewy_bodies

    A 2019 meta-analysis found an average survival time after diagnosis of 4.1 years [8] —indicating survival in DLB 1.6 years less than after a diagnosis of Alzheimer's. [211] A 2017 review found survival from disease onset between 5.5 and 7.7 years, and survival from diagnosis between 1.9 and 6.3 years.