Cited by 300Dementia and Cognitive Impairment ResearchAdvanced Neuroimaging Techniques and ApplicationsAlzheimer's disease research and treatments

Mild cognitive impairment and Alzheimer disease: regional diffusivity of water

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Kantarci, Kejal, Jack, Clifford R., Xu, Yue Cheng, Campeau, Norberg G., O’Brien, Peter C., Smith, Glenn E., Ivnik, Robert J., Boeve, Bradley F. +3 more·2001·Radiology

Abstract

PURPOSE: To compare the regional diffusivity of water in the brains of normally aging elderly people and patients with mild cognitive impairment (MCI) or Alzheimer disease. MATERIALS AND METHODS: Magnetic resonance images were obtained in 21 patients with Alzheimer disease, 19 patients with MCI, and 55 normally aging elderly control subjects without evidence of cognitive impairment. Regions of interest were drawn to compare the apparent diffusion coefficient (ADC) and the anisotropy index (AI) in frontal, parietal, temporal, occipital, anterior, and posterior cingulate white matter (WM), and the thalami and hippocampi. RESULTS: Hippocampal ADC was higher in MCI and Alzheimer disease patients than in control subjects. ADC of the temporal stem and posterior cingulate, occipital, and parietal WM was higher in Alzheimer disease patients than in control subjects. Except for occipital AI, which was lower in MCI patients than in control subjects, there were no differences in AI among the three groups for any of the regions. CONCLUSION: Hippocampal ADC was significantly different between control subjects and MCI patients, many of whom likely have preclinical Alzheimer disease. Elevation in hippocampal ADC may reflect early ultrastructural changes in the progression of Alzheimer disease.

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Crossref · 10.1148/radiology.219.1.r01ap14101

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  • The MD measurements in grey matter regions are in good agreement with previous studies that have detected elevated values in the brains of AD patients and in mouse models exhibiting amyloid pathology at late stages of progression.

    “The MD measurements in grey matter regions are in good agreement with previous studies that have detected elevated values in the brains of AD patients (Fellgiebel et al., 2004, Kantarci et al., 2001, Rose et al., 2008) and in mouse models exhibiting amyloid pathology at late stages of progression (Sun et al., 2005).”

    From In vivo imaging of tau pathology using multi-parametric quantitative MRI (2015) · cites this paper as Kantarci et al., 2001

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  1. [15]American Psychiatric Association. Diagnostic and statistical manual of mental disorders. 3. Washington, DC: 1987. DSM-III-R. revised. [Google Scholar]

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Authors
Kantarci, K., Jack, C. R., Xu, Y. C., Campeau, N. G., O’Brien, P. C., Smith, G. E., Ivnik, R. J., Boeve, B. F., Kokmen, E., Tangalos, E. G., & Petersen, R. C.
Affiliations
Mayo Clinic (US)
Venue
Radiology
Published
2001-04
Volume
219
Issue
1
Pages
101-107
ISSN
  • 0033-8419 (ISSN-L)
  • 1527-1315
OpenAlex
W2128776571
Cited by
300
References
36
Citations by year
2026: 2 · 2023: 3 · 2022: 2 · 2021: 7 · 2020: 7 · 2019: 8 · 2018: 7 · 2017: 4 · 2016: 10 · 2015: 12 · 2014: 10 · 2013: 22 · 2012: 9
FWCI
9.27
Type
journal article
Language
en
Open access
Locations
  • Radiology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute on Aging (AG-06786, AG 16574, U01AG006786, R01AG011378, AG-11378, R37AG011378, P50AG016574)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
mild cognitive impairment, Alzheimer's disease, apparent diffusion coefficient, anisotropy index, water diffusion, white matter, hippocampus, posterior cingulate cortex, preclinical Alzheimer's disease, brain aging, ultrastructural changes
MeSH terms
Aged, Aged, 80 and over, Alzheimer Disease, Amnesia, Brain, Cerebral Cortex, Diffusion, Female, Gyrus Cinguli, Hippocampus, Humans, Magnetic Resonance Imaging, Male, Reference Values, Sensitivity and Specificity, Thalamus, Anisotropy

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