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The most common types of dementia are as follows and vary according to the history and the presentation of the disease: (Where available the ICD-10 codes are provided. The first code refers to the dementia, and the second to the underlying condition.)
Most common causes
* (F00/G30) Alzheimer's disease
* (F01) Vascular dementia (also known as multi-infarct dementia), including Binswanger's disease
* (F02.3/G20) Dementia with Lewy bodies (DLB)
* Alcohol Induced Persisting Dementia
* (F02.0/G31.0) Frontotemporal lobar degenerations (FTLD), including Pick's disease
o Frontotemporal dementia (or frontal variant FTLD)
o Semantic dementia (or temporal variant FTLD)
o Progressive non-fluent aphasia
Less common causes
It can also be a consequence of:
* (F02.1/A81.0) Creutzfeldt-Jakob disease
* (F02.2/G10) Huntington's disease
* (F02.3/G20) Parkinson's disease
* (F02.4/B22.0) HIV infection (leading to AIDS dementia complex)
* (F07.2) Head trauma
* (Q90) People with Down's syndrome have an increased risk of developing dementia of the Alzheimer's type. This risk increases as the person ages.
Treatable causes
Less than 5% of a sample of dementia cases have a potentially treatable cause. These include:
* (F02.8/E01-E03) Hypothyroidism
* (F02.8/E51) Vitamin B1 (thiamine) deficiency
* (F02.8/E53.8) Vitamin B12, Vitamin A deficiency
* (F03/F32-F33) Depressive pseudodementia (note: dementia and depression can coexist in many patients and can be difficult to differentiate.)
* (G91.2) Normal pressure hydrocephalus
* Tumor
* Syphilis
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Important notice:
The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other
qualified health provider with any questions you may have regarding a medical condition.
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