Segmentation and volumetric analysis of the caudate nucleus in Alzheimer's disease

European Journal of Radiology
Sudevan JijiRamapurath S Jayasree

Abstract

A quantitative volumetric analysis of caudate nucleus can provide valuable information in early diagnosis and prognosis of patients with Alzheimer's diseases (AD). Purpose of the study is to estimate the volume of segmented caudate nucleus from MR images and to correlate the variation in the segmented volume with respect to the total brain volume. We have also tried to evaluate the caudate nucleus atrophy with the age related atrophy of white matter (WM), gray matter (GM) and cerebrospinal fluid (CSF) in a group of Alzheimer's disease patients. 3D fast low angle shot (3D FLASH) brain MR images of 15 AD patients, 15 normal volunteers and 15 patients who had normally diagnosed MR images were included in the study. Brain tissue and caudate nuclei were segmented using the statistical parametric mapping package and a semi-automatic tool, respectively and the volumes were estimated. Volume of segmented caudate nucleus is correlated with respect to the total brain volume. Further, the caudate nucleus atrophy is estimated with the age related atrophy of WM, GM and CSF in a group of AD patients. Significant reduction in the caudate volume of AD patients was observed compared to that of the normal volunteers. Statistical analysis also sh...Continue Reading

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Related Concepts

Familial Alzheimer Disease (FAD)
Caudate Nucleus Structure
Image Enhancement
Image Interpretation, Computer-Assisted
Magnetization Transfer Contrast Imaging
Pattern Recognition System
Intraobserver Variation
Imaging, Three-Dimensional, Computer Assisted
Alzheimer's Disease
Brain

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