[Mild cognitive impairment: diagnostic value of different MR techniques]
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Published on: November 20, 2015
T Hauser1, P A Thomann, B Stieltjes
1Abteilung E010 Radiologie, Deutsches Krebsforschungszentrum Heidelberg, Im Neuenheimer Feld 280, 69120 Heidelberg, Deutschland. t.hauser@dkfz.de
Abstract:
In view of an increasingly aging population the prevalence of dementia is also expected to increase rapidly. As well as clinical, neuropsychological and laboratory procedures magnetic resonance imaging (MRI) plays an important role in the early diagnosis of dementia which is important in the precursor stage of mild cognitive impairment (MCI). On the one hand this stage is associated with an increased risk of dementia and on the other hand an early treatment in this stage could attenuate development of the disease. In addition to morphological changes different functional MRI techniques can help in the early diagnosis of dementia and the precursor stages. Moreover, it is important to detect those MCI patients who are at particularly risk for developing dementia. In the differentiation of converters to non-converters initial studies suggest that particularly voxel-based morphometry, MR spectroscopy and diffusion tensor imaging can provide important additional information.
Insights
Magnetic resonance imaging (MRI) aids early dementia diagnosis, especially in mild cognitive impairment (MCI) stages. Advanced MRI techniques help identify individuals at high risk of dementia progression.
Area of Science:
- Neurology and neuroscience
- Medical imaging
- Gerontology
Context:
- Aging populations are increasing dementia prevalence.
- Early diagnosis of dementia and mild cognitive impairment (MCI) is crucial.
- MCI signifies an elevated risk for dementia development.
Purpose:
- To highlight the role of magnetic resonance imaging (MRI) in early dementia diagnosis.
- To explore functional MRI techniques for detecting dementia and MCI.
- To identify advanced MRI methods for differentiating MCI converters from non-converters.
Summary:
- Magnetic resonance imaging (MRI) is vital for early dementia diagnosis, particularly in mild cognitive impairment (MCI).
- Functional MRI techniques, alongside morphological changes, aid in diagnosing dementia and its precursor stages.
- Voxel-based morphometry, MR spectroscopy, and diffusion tensor imaging show promise in predicting dementia risk in MCI patients.
Impact:
- Facilitates timely intervention for individuals with MCI, potentially slowing disease progression.
- Improves diagnostic accuracy for dementia and its early stages.
- Enables personalized risk assessment for MCI patients, guiding clinical management and treatment strategies.
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