Automatic determination of white matter hyperintensity properties in relation to the development of Alzheimer's disease

Sandra van der Velden, Christoph Moenninghoff, Isabel Wanke, Martha Jokisch, Christian Weimar, Rita Lopes Simoes, Anne-Marie van Cappellen van Walsum, Cornelis Slump

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    Abstract

    Alzheimer's disease (AD) is the most common form of dementia seen in the elderly. No curing medicine for AD exists at this moment. In the search for an effective medicine, research is directed towards the prediction of conversion of mild cognitive impairment (MCI) to AD. White matter hyperintensities (WMHs) have been shown to contain information regarding the development of AD, although non-conclusive results are found in literature. These studies often use qualitative measures to describe WMHs, which is time consuming and prone to variability. To investigate the relation between WMHs and the development of AD, algorithms to automatically determine quantitative properties in terms of volume and spatial distribution of WMHs are developed and compared between normal controls and MCI subjects. MCI subjects have a significantly higher total volume of WMHs than normal controls. This difference persists when lesions are classified according to their distance to the ventricular wall. Spatial distribution is also described by defining different brain regions based on a common coordinate system. This reveals that MCI subjects have a larger WMH volume in the upper part of the brain compared to normal controls. In four subjects, the change of WMH properties over time is studied in detail. Although such a small dataset cannot be used to give definitive conclusions, the data suggests that progression of WMHs in subjects with a low lesion load is caused by an increase in the number of lesions and by the progression of juxtacortical lesions. In subjects with a larger lesion load, progression is caused by expansion of pre-existing lesions.

    Original languageEnglish
    Title of host publicationMedical Imaging 2016
    Subtitle of host publicationComputer-Aided Diagnosis
    EditorsGeorgia D. Tourassi, Samuel G. Armato
    Place of PublicationBellingham, WA
    PublisherSPIE
    ISBN (Electronic)9781510600201
    DOIs
    Publication statusPublished - 1 Jan 2016
    EventSPIE Medical Imaging 2016 - San Diego, United States
    Duration: 28 Feb 20162 Mar 2016

    Publication series

    NameProgress in Biomedical Optics and Imaging
    PublisherSPIE
    ISSN (Print)1605-7422
    NameProceedings of SPIE
    PublisherSPIE
    Volume9785
    ISSN (Print)0277-786X

    Conference

    ConferenceSPIE Medical Imaging 2016
    Country/TerritoryUnited States
    CitySan Diego
    Period28/02/162/03/16

    Keywords

    • Alzheimer's disease
    • Automatic
    • Computer aided diagnosis
    • Mild cognitive impairment
    • MRI
    • Quantitative
    • White matter hyperintensities

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