Cited by 110Dementia and Cognitive Impairment ResearchMedical Image Segmentation TechniquesCancer-related cognitive impairment studies

Mild Cognitive Impairment: Differential Atrophy in the Hippocampal Subfields

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Hanseeuw, B.J., Van Leemput, K., Kavec, M., Grandin, C., Seron, X., Ivanoiu, A.·2011·American Journal of Neuroradiology

Abstract

BACKGROUND AND PURPOSE: Hippocampus volumetry is a useful surrogate marker for the diagnosis of Alzheimer disease, but it seems insufficiently sensitive for the aMCI stage. We postulated that some hippocampus subfields are specifically atrophic in aMCI and that measuring hippocampus subfield volumes will improve sensitivity of MR imaging to detect aMCI. MATERIALS AND METHODS: We evaluated episodic memory and hippocampus subfield volume in 15 patients with aMCI and 15 matched controls. After segmentation of the whole hippocampus from clinical MR imaging, we applied a new computational method allowing fully automated segmentation of the hippocampus subfields. This method used a Bayesian modeling approach to infer segmentations from the imaging data. RESULTS: In comparison with controls, subiculum and CA2-3 were significantly atrophic in patients with aMCI, whereas total hippocampus volume and other subfields were not. Total hippocampus volume in controls was age-related, whereas episodic memory was the main explanatory variable for both the total hippocampus volume and the subfields that were atrophic in patients with aMCI. Segmenting subfields increases sensitivity to diagnose aMCI from 40% to 73%. CONCLUSIONS: Measuring CA2-3 and subiculum volumes allows a better detection of aMCI.

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Authors
Hanseeuw, B. J., Van Leemput, K., Kavec, M., Grandin, C., Seron, X., & Ivanoiu, A.
Affiliations
Cliniques Universitaires Saint-Luc (BE)
Corresponding author
Hanseeuw, B.J.
Venue
American Journal of Neuroradiology
Published
2011-08-11
Volume
32
Issue
9
Pages
1658-1661
ISSN
  • 0195-6108 (ISSN-L)
  • 1936-959X
OpenAlex
W2164876002
Cited by
110
References
17
Citations by year
2026: 3 · 2025: 5 · 2024: 6 · 2023: 6 · 2022: 5 · 2021: 8 · 2020: 5 · 2019: 5 · 2018: 5 · 2017: 2 · 2016: 11 · 2015: 14 · 2014: 15 · 2013: 9 · 2012: 10
FWCI
7.66
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • American Journal of Neuroradiology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Digital Access to Libraries (Université catholique de Louvain (UCL), l'Université de Namur (UNamur) and the Université Saint-Louis (USL-B)) (submittedVersion, other-oa)
Funders
  • Massachusetts General Hospital
  • Academy of Finland
  • Fonds De La Recherche Scientifique - FNRS
  • Centre d'Imagerie BioMédicale
  • National Institutes of Health
  • Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital (P41-RR014075)
  • National Institute of Neurological Disorders and Stroke (R01NS052585)
  • National Institute of Biomedical Imaging and Bioengineering (R01EB006758, R01EB009051, R01EB013565)
  • National Center for Research Resources (P41RR014075)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Medical Image Segmentation Techniques
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Cancer-related cognitive impairment studies
Keywords
mild cognitive impairment, hippocampal subfields, hippocampal atrophy, subiculum, CA2/3, hippocampal volumetry, episodic memory, Bayesian segmentation, Alzheimer's disease diagnosis, MRI biomarkers
MeSH terms
Alzheimer Disease, Atrophy, Bayes Theorem, Hippocampus, Humans, Magnetic Resonance Imaging, Models, Neurological, Neuropsychological Tests, Sensitivity and Specificity, Dentate Gyrus, CA2 Region, Hippocampal, CA3 Region, Hippocampal, Cognitive Dysfunction, Memory, Episodic

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