<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The effective energy calculated using the half-value layer (HVL) is an important parameter for quality assurance (QA) and quality control (QC). However constant monitoring has not been performed because measurements using an ionization chamber (IC) are time-consuming and complicated. To solve these problems, a method using radiochromic film (GAFCHROMIC EBT2 dosimetry film (GAF-EBT2) with slight energy dependency errors), a mobile scanner and step-shaped aluminum (SSAl) filter is developed. The results of the method using a mobile scanner were compared with those of the recommended method using an IC in order to evaluate its applicability. The difference ratios of the effective energies by each method using a mobile scanner with GAF-EBT2 were less than 5% compared with results of an IC. It is considered that this method offers a simple means of determining HVL for QA and QC consistently and quickly without the need for an IC dosimeter.</p></abstract>

The effective energy calculated using the half-value layer (HVL) is an important parameter for quality assurance (QA) and quality control (QC). However constant monitoring has not been performed because measurements using an ionization chamber (IC) are time-consuming and complicated. To solve these problems, a method using radiochromic film (GAFCHROMIC EBT2 dosimetry film (GAF-EBT2) with slight energy dependency errors), a mobile scanner and step-shaped aluminum (SSAl) filter is developed. The results of the method using a mobile scanner were compared with those of the recommended method using an IC in order to evaluate its applicability. The difference ratios of the effective energies by each method using a mobile scanner with GAF-EBT2 were less than 5% compared with results of an IC. It is considered that this method offers a simple means of determining HVL for QA and QC consistently and quickly without the need for an IC dosimeter.

Effective energy measurement using radiochromic film: application of a mobile scanner

Department of Radiological Science, Faculty of Health Sciences, Junshin Gakuen University, Fukuoka,

Department of Radiological Technology, Faculty of Health Sciences, Butsuryo College of Osaka, Osaka,

Department of Radiological Sciences, Ibaraki Prefectural University of Health Sciences, Ibaraki,

Department of Radiological Technology, Graduate School of Health Sciences, Okayama University, Okayama,

Department of Radiological Technology, Tokushima Red Cross Hospital, Tokushima,

Department of Radiology, Kawasaki Medical School Kawasaki Hospital, Okayama,

Polish Journal of Medical Physics and Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The effective energy calculated using the half-value layer (HVL) is an important parameter for quality assurance (QA) and quality control (QC). However...

Effective energy measurement using radiochromic film: application of a mobile scanner

Article Category: Scientific Paper

Publié en ligne: 30 déc. 2016

Pages: 85 - 92

Reçu: 19 juil. 2016

Accepté: 03 nov. 2016

DOI: https://doi.org/10.1515/pjmpe-2016-0015

Mots clés
radiochromic film, effective energy, half-value layer, mobile scanner, flat bed scanner

© Polish Society of Medical Physics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Effective energy measurement using radiochromic film: application of a mobile scanner

Article Category: Scientific Paper

Publié en ligne: 30 déc. 2016

Pages: 85 - 92

Reçu: 19 juil. 2016

Accepté: 03 nov. 2016

DOI: https://doi.org/10.1515/pjmpe-2016-0015

Mots clésradiochromic film, effective energy, half-value layer, mobile scanner, flat bed scanner

© Polish Society of Medical Physics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
radiochromic film, effective energy, half-value layer, mobile scanner, flat bed scanner