The effect of varying kilovoltage (kVp) and tube current (mAs) on the image quality and dose of CTA head phantom / Sity Noor Ayseah Dzulkafli

In this study, the effects of kilovoltages (kVp) and tube currents (mAs) on Computed Tomography Angiography (CTA) head phantom images were investigated quantitavely using ImageJ software due to insufficient understanding on the relationship between these parameters on CT image quality and doses. The...

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Main Author:	Dzulkafli, Sity Noor Ayseah
Format:	Thesis
Language:	English
Published:	2015
Subjects:	Neural Networks (Computer). Artificial intelligence
Online Access:	http://ir.uitm.edu.my/id/eprint/17806/ http://ir.uitm.edu.my/id/eprint/17806/1/TM_SITY%20NOOR%20AYSEAH%20DZULKAFLI%20HS%2015_5.pdf

id	uitm-17806
recordtype	eprints
spelling	uitm-178062018-10-18T06:25:33Z http://ir.uitm.edu.my/id/eprint/17806/ The effect of varying kilovoltage (kVp) and tube current (mAs) on the image quality and dose of CTA head phantom / Sity Noor Ayseah Dzulkafli Dzulkafli, Sity Noor Ayseah Neural Networks (Computer). Artificial intelligence In this study, the effects of kilovoltages (kVp) and tube currents (mAs) on Computed Tomography Angiography (CTA) head phantom images were investigated quantitavely using ImageJ software due to insufficient understanding on the relationship between these parameters on CT image quality and doses. The objective of this study is to investigate the effect of kilovoltages (kVp) and tube current (mAs) parameters quantitatively on several parameters namely; 1) image quality 2) dose 3) Signal to Noise Ratio (SNR) and 4) contrast. The parameters have been varied during the CT scan examination and the results have been compared for each kilovoltages (kVp) and tube currents (mAs) using ImageJ software. In brief, varying the kilovoltages (kVp) and tube current (mAs) will enhance the image quality but will also increase the dose exposure to the patient. Higher doses are one of the problems that researchers have to overcome in patient diagnosis in order to have an optimum image quality with lower doses. The results include the relationship between the parameters and image quality and also dose in selected type or arteries; Anterior Cerebral Artery (ACA), Middle Cerebral Artery (MCA) and Internal Carotid Artery (ICA) in CTA. Decreasing kVp do increase image contrasts while increasing mAs play roles in reducing the noise of the image. Finally, the suggested parameters used for brain examination is 100 kVp with 360 mAs in line with the recommended CTDIvol dose value as in Computed Tomography European Guidelines. 2015 Thesis NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/17806/1/TM_SITY%20NOOR%20AYSEAH%20DZULKAFLI%20HS%2015_5.pdf Dzulkafli, Sity Noor Ayseah (2015) The effect of varying kilovoltage (kVp) and tube current (mAs) on the image quality and dose of CTA head phantom / Sity Noor Ayseah Dzulkafli. Masters thesis, Universiti Teknologi MARA.
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Teknologi MARA
building	UiTM Institutional Repository
collection	Online Access
language	English
topic	Neural Networks (Computer). Artificial intelligence
spellingShingle	Neural Networks (Computer). Artificial intelligence Dzulkafli, Sity Noor Ayseah The effect of varying kilovoltage (kVp) and tube current (mAs) on the image quality and dose of CTA head phantom / Sity Noor Ayseah Dzulkafli
description	In this study, the effects of kilovoltages (kVp) and tube currents (mAs) on Computed Tomography Angiography (CTA) head phantom images were investigated quantitavely using ImageJ software due to insufficient understanding on the relationship between these parameters on CT image quality and doses. The objective of this study is to investigate the effect of kilovoltages (kVp) and tube current (mAs) parameters quantitatively on several parameters namely; 1) image quality 2) dose 3) Signal to Noise Ratio (SNR) and 4) contrast. The parameters have been varied during the CT scan examination and the results have been compared for each kilovoltages (kVp) and tube currents (mAs) using ImageJ software. In brief, varying the kilovoltages (kVp) and tube current (mAs) will enhance the image quality but will also increase the dose exposure to the patient. Higher doses are one of the problems that researchers have to overcome in patient diagnosis in order to have an optimum image quality with lower doses. The results include the relationship between the parameters and image quality and also dose in selected type or arteries; Anterior Cerebral Artery (ACA), Middle Cerebral Artery (MCA) and Internal Carotid Artery (ICA) in CTA. Decreasing kVp do increase image contrasts while increasing mAs play roles in reducing the noise of the image. Finally, the suggested parameters used for brain examination is 100 kVp with 360 mAs in line with the recommended CTDIvol dose value as in Computed Tomography European Guidelines.
format	Thesis
author	Dzulkafli, Sity Noor Ayseah
author_facet	Dzulkafli, Sity Noor Ayseah
author_sort	Dzulkafli, Sity Noor Ayseah
title	The effect of varying kilovoltage (kVp) and tube current (mAs) on the image quality and dose of CTA head phantom / Sity Noor Ayseah Dzulkafli
title_short	The effect of varying kilovoltage (kVp) and tube current (mAs) on the image quality and dose of CTA head phantom / Sity Noor Ayseah Dzulkafli
title_full	The effect of varying kilovoltage (kVp) and tube current (mAs) on the image quality and dose of CTA head phantom / Sity Noor Ayseah Dzulkafli
title_fullStr	The effect of varying kilovoltage (kVp) and tube current (mAs) on the image quality and dose of CTA head phantom / Sity Noor Ayseah Dzulkafli
title_full_unstemmed	The effect of varying kilovoltage (kVp) and tube current (mAs) on the image quality and dose of CTA head phantom / Sity Noor Ayseah Dzulkafli
title_sort	effect of varying kilovoltage (kvp) and tube current (mas) on the image quality and dose of cta head phantom / sity noor ayseah dzulkafli
publishDate	2015
url	http://ir.uitm.edu.my/id/eprint/17806/ http://ir.uitm.edu.my/id/eprint/17806/1/TM_SITY%20NOOR%20AYSEAH%20DZULKAFLI%20HS%2015_5.pdf
first_indexed	2023-09-18T22:59:06Z
last_indexed	2023-09-18T22:59:06Z
_version_	1777418053341937664

The effect of varying kilovoltage (kVp) and tube current (mAs) on the image quality and dose of CTA head phantom / Sity Noor Ayseah Dzulkafli

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