A thermoluminescent dosimetry postal dose inter-comparison of radiation therapy centres in Malaysia

被引：9
|
作者：
Rassiah P. [1 ,4 ]
Ng K.H. [2 ]
DeWerd L.A. [3 ]
Kunugi K. [3 ]
机构：
[1] Clinical Oncology Unit, University of Malaya Medical Centre, Kuala Lumpur
[2] Department of Radiology, University of Malaya Medical Centre, Kuala Lumpur
[3] University of Wisconsin-Madison, Department of Medical Physics, Madison, WI
[4] The University of Texas, Health Science Center at San Antonio, San Antonio, TX 78229-3900
来源：
Australasian Physics & Engineering Sciences in Medicine | 2004年 / 27卷 / 1期
关键词：
Dose inter-comparison; Mailed dosimetry; Radiotherapy; TLD;
D O I：
10.1007/BF03178885
中图分类号：
学科分类号：
摘要：
A thermoluminescent dosimetry (TLD) postal dose inter-comparison was carried out amongst radiotherapy centres in Malaysia. The aim of this TLD inter-comparison was to compare the uniformity involved in the measurement of absorbed dose among the participating centres. A set of 5 TLD chips placed within acrylic trays were mailed to all participating centres for irradiation to an absorbed dose to water of 2 Gy. Measurements were made for 6 MV and 60Co photon beams. Results show an agreement of =5% for all but three radiotherapy centres. The ratios of the TLD readings to that of the reference centre are comparable with other national/regional dose inter-comparisons. The importance of a proper ongoing quality assurance program is essential in maintaining the consistency and uniformity of doses delivered. Copyright © ACPSEM/EA.
引用
收藏
页码：25 / 29
页数：4
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