Determination of optimum combination of voxel size and b-value for brain diffusion tensor imaging

Optimum combination of voxel size resolution and b-value for whole brain imaging has been determined. Data images were acquired using a 1.5T magnetic resonance imaging (MRI) system (GE Signa HDxt). Diffusion tensor imaging (DTI) scan was performed on phantom and a human volunteer. Six protocols whic...

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Main Authors:	Nur Hartini Mohd Taib, Wan Ahmad Kamil Wan Abdullah, Ibrahim Lutfi Shuaib, Enrico Magosso, Suzana Mat Isa
Format:	Article
Language:	English
Published:	Penerbit Universiti Kebangsaan Malaysia 2017
Online Access:	http://journalarticle.ukm.my/10594/ http://journalarticle.ukm.my/10594/ http://journalarticle.ukm.my/10594/1/09%20Nur%20Hartini.pdf

id	ukm-10594
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spelling	ukm-105942017-08-22T01:19:42Z http://journalarticle.ukm.my/10594/ Determination of optimum combination of voxel size and b-value for brain diffusion tensor imaging Nur Hartini Mohd Taib, Wan Ahmad Kamil Wan Abdullah, Ibrahim Lutfi Shuaib, Enrico Magosso, Suzana Mat Isa, Optimum combination of voxel size resolution and b-value for whole brain imaging has been determined. Data images were acquired using a 1.5T magnetic resonance imaging (MRI) system (GE Signa HDxt). Diffusion tensor imaging (DTI) scan was performed on phantom and a human volunteer. Six protocols which consist of various combination of voxel size and b-value were evaluated. Measurement of signal-to-noise ratio (SNR) and DTI parameter indices were carried out for both phantom and in-vivo studies. Due consideration was given to a combination of parameters yielding sufficient SNR with DTI values comparable to those obtained from previous reported studies. For the phantom study, SNR ≥ 20 was found in all of the protocols except for a combination of voxel size of 2.0 × 2.0 × 2.0 mm3 with b-value of 1200 s/mm2 (V2.0 B1200) and that of voxel size of 2.0 × 2.0 × 2.0 mm3 with b-value of 1000 s/mm2 (V2.0 B1000). For in-vivo study, all protocols presented SNR > 20. It was found that a combination of voxel size of 2.5 × 2.5 × 2.5 mm3 with b-value of 1000 s/mm2 (V2.5 B1000) and that of voxel size of 2.5 × 2.5 × 2.5 mm3 with b-value of 700 s/mm2 (V2.5 B700) displayed the most comparable ADC and FA values with references. In terms of anatomic coverage, V2.5 B700 was found better than V2.5 B1000 as it assures coverage of the whole brain. In conclusion, a combination of voxel size of 2.5 × 2.5 × 2.5 mm3 with b-value of 700 s/mm2 was considered as optimum parameters for brain DTI. Penerbit Universiti Kebangsaan Malaysia 2017-01 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/10594/1/09%20Nur%20Hartini.pdf Nur Hartini Mohd Taib, and Wan Ahmad Kamil Wan Abdullah, and Ibrahim Lutfi Shuaib, and Enrico Magosso, and Suzana Mat Isa, (2017) Determination of optimum combination of voxel size and b-value for brain diffusion tensor imaging. Sains Malaysiana, 46 (1). pp. 67-74. ISSN 0126-6039 http://www.ukm.my/jsm/english_journals/vol46num1_2017/contentsVol46num1_2017.html
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Kebangasaan Malaysia
building	UKM Institutional Repository
collection	Online Access
language	English
description	Optimum combination of voxel size resolution and b-value for whole brain imaging has been determined. Data images were acquired using a 1.5T magnetic resonance imaging (MRI) system (GE Signa HDxt). Diffusion tensor imaging (DTI) scan was performed on phantom and a human volunteer. Six protocols which consist of various combination of voxel size and b-value were evaluated. Measurement of signal-to-noise ratio (SNR) and DTI parameter indices were carried out for both phantom and in-vivo studies. Due consideration was given to a combination of parameters yielding sufficient SNR with DTI values comparable to those obtained from previous reported studies. For the phantom study, SNR ≥ 20 was found in all of the protocols except for a combination of voxel size of 2.0 × 2.0 × 2.0 mm3 with b-value of 1200 s/mm2 (V2.0 B1200) and that of voxel size of 2.0 × 2.0 × 2.0 mm3 with b-value of 1000 s/mm2 (V2.0 B1000). For in-vivo study, all protocols presented SNR > 20. It was found that a combination of voxel size of 2.5 × 2.5 × 2.5 mm3 with b-value of 1000 s/mm2 (V2.5 B1000) and that of voxel size of 2.5 × 2.5 × 2.5 mm3 with b-value of 700 s/mm2 (V2.5 B700) displayed the most comparable ADC and FA values with references. In terms of anatomic coverage, V2.5 B700 was found better than V2.5 B1000 as it assures coverage of the whole brain. In conclusion, a combination of voxel size of 2.5 × 2.5 × 2.5 mm3 with b-value of 700 s/mm2 was considered as optimum parameters for brain DTI.
format	Article
author	Nur Hartini Mohd Taib, Wan Ahmad Kamil Wan Abdullah, Ibrahim Lutfi Shuaib, Enrico Magosso, Suzana Mat Isa,
spellingShingle	Nur Hartini Mohd Taib, Wan Ahmad Kamil Wan Abdullah, Ibrahim Lutfi Shuaib, Enrico Magosso, Suzana Mat Isa, Determination of optimum combination of voxel size and b-value for brain diffusion tensor imaging
author_facet	Nur Hartini Mohd Taib, Wan Ahmad Kamil Wan Abdullah, Ibrahim Lutfi Shuaib, Enrico Magosso, Suzana Mat Isa,
author_sort	Nur Hartini Mohd Taib,
title	Determination of optimum combination of voxel size and b-value for brain diffusion tensor imaging
title_short	Determination of optimum combination of voxel size and b-value for brain diffusion tensor imaging
title_full	Determination of optimum combination of voxel size and b-value for brain diffusion tensor imaging
title_fullStr	Determination of optimum combination of voxel size and b-value for brain diffusion tensor imaging
title_full_unstemmed	Determination of optimum combination of voxel size and b-value for brain diffusion tensor imaging
title_sort	determination of optimum combination of voxel size and b-value for brain diffusion tensor imaging
publisher	Penerbit Universiti Kebangsaan Malaysia
publishDate	2017
url	http://journalarticle.ukm.my/10594/ http://journalarticle.ukm.my/10594/ http://journalarticle.ukm.my/10594/1/09%20Nur%20Hartini.pdf
first_indexed	2023-09-18T19:57:54Z
last_indexed	2023-09-18T19:57:54Z
_version_	1777406652877635584

Determination of optimum combination of voxel size and b-value for brain diffusion tensor imaging

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