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Título del libro: 2020 Ieee Nuclear Science Symposium And Medical Imaging Conference, Nss/mic 2020
Título del capítulo: 3D Tortuosity: A Morphological Characterization of the Central Sulcus to Differentiate Patients with Alzheimer's Disease and Controls

Autores UNAM:
MARIA JULIETA MATEOS OCHOA; JORGE ALBERTO MARQUEZ FLORES; ERNESTO BRIBIESCA CORREA;

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Autores externos:

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Idioma:

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Año de publicación:
2020

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Palabras clave:

Biomarkers; Brain; Disease control; Magnetic resonance; Magnetic resonance imaging; Morphology; 3d tortuosity; Alzheimers disease; Anatomical information; Brain morphologies; Brain structure; Central sulcus; Cortical folding; Folding patterns; Morphological analysis; Morphological characterization; Neurodegenerative diseases

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Resumen:

Magnetic Resonance Images of the brain provide detailed anatomical information that allows morphological analysis of the different brain structures. The analysis of the cortical folding patterns variation is inspiring great interest, as this relates to cognitive function. The sulci are a depression in the cerebral cortex and represent ? 70% of the cortical surface. The sulcal width, depth and cortical thickness are the most frequent morphological descriptors applied to the sulci. In this work, the 3D tortuosity is proposed as new descriptor to capture information about the twist and turns of the sulci.1 The 3D tortuosity of the central sulcus of both hemispheres was measured using the Minimal Interval Resonance Imaging in the Alzheimer's Disease (MIRIAD) database, for a set of high-resolution MRI of 66 subjects: 43 patients with Alzheimer Disease (AD) and 23 control subjects. As it is known AD causes significant gray matter loss which cause morphological changes in the cortical structure. It is expected for the tortuosity to capture these changes and serve as a biomarker to differentiate between populations. The result of the Wilcoxon tests show that the tortuosity values of the central sulci are significantly larger for the AD patients (p < 0.05) for the left hemisphere, which is consistent with the hypothesis. The evaluation of the proposed tortuosity measurement of the Central Sulcus as a potential biomarker was performed and the results indicate its effectiveness to extract additional anatomical information and discriminate between AD patients and Controls. © 2020 IEEE

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Entidades citadas de la UNAM:

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Fuente:


ISBN:
9781728176932
Editorial:
Institute of Electrical and Electronics Engineers Inc.

Tipo de producto:
Conference Paper

DOI:
10.1109/NSS/MIC42677.2020.9507994