Universiti Teknologi Malaysia Institutional Repository

Radiation doses from computed tomography practice in Johor Bahru, Malaysia

Karim, M. K. A. and Hashim, S. and Bradley, D. A. and Bakar, K. A. and Haron, M. R. and Kayun, Z. (2016) Radiation doses from computed tomography practice in Johor Bahru, Malaysia. Radiation Physics and Chemistry, 121 . pp. 69-74. ISSN 0969-806X

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Abstract

Radiation doses for Computed Tomography (CT) procedures have been reported, encompassing a total of 376 CT examinations conducted in one oncology centre (Hospital Sultan Ismail) and three diagnostic imaging departments (Hospital Sultanah Aminah, Hospital Permai and Hospital Sultan Ismail) at Johor hospital's. In each case, dose evaluations were supported by data from patient questionnaires. Each CT examination and radiation doses were verified using the CT EXPO (Ver. 2.3.1, Germany) simulation software. Results are presented in terms of the weighted computed tomography dose index (CTDIw), dose length product (DLP) and effective dose (E). The mean values of CTDIw, DLP and E were ranged between 7.6±0.1 to 64.8±16.5mGy, 170.2±79.2 to 943.3±202.3mGycm and 1.6±0.7 to 11.2±6.5 mSv, respectively. Optimization techniques in CT are suggested to remain necessary, with well-trained radiology personnel remaining at the forefront of such efforts.

Item Type:Article
Uncontrolled Keywords:Computer software, Dosimetry, Hospitals, Surveys, Tomography, Diagnostic imaging, Diagnostic reference levels, Dose-length products, Effective dose, Malaysia, Mean values, Optimization techniques, Simulation software, Computerized tomography, computer assisted tomography, computer program, drug dosage form, Germany, human, human experiment, radiation dose, radiology
Subjects:Q Science > QC Physics
Divisions:Science
ID Code:73707
Deposited By: Haliza Zainal
Deposited On:18 Nov 2017 08:43
Last Modified:18 Nov 2017 08:43

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