QUALITY ASSURANCE TOOL FOR HIGH-DOSE-RATE BRACHYTHERAPY

被引：18

作者：

DEWERD, LA ^{[1
]}

JURSINIC, P ^{[1
]}

KITCHEN, R ^{[1
]}

THOMADSEN, BR ^{[1
]}

机构：

[1] UNIV WISCONSIN,DEPT HUMAN ONCOL,MADISON,WI 53706

来源：

MEDICAL PHYSICS | 1995年 / 22卷 / 04期

关键词：

HIGH DOSE RATE BRACHYTHERAPY; QUALITY ASSURANCE; IR-192 REMOTE AFTERLOADERS; CALIBRATION;

D O I：

10.1118/1.597469

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

An insert for a well ionization chamber is described for quality assurance tests for high dose rate remote afterloaders. The use of this insert over time has shown its applicability for efficient QA tests for the high dose rate afterloader. The measurement results are six times greater than the uncertainties involved for the measurements. Checks on position can be made better than 1 mm and dwell times better than 1 s. The overall measurements can be done to better than 1.5%. QA checks can be accomplished in a shorter time period with as great or better accuracy than prior film techniques. © 1995, American Association of Physicists in Medicine. All rights reserved.

引用

页码：435 / 440

页数：6

共 5 条

[1]

Goetsch S.J., Attix F.H., Pearson D.W., Thomadsen B.R., Calibration of Ir-192 high-dose-rate afterloading systems, Med. Phys., 18, pp. 462-467, (1991)

[2]

Goetsch S.J., Attix F.H., DeWerd L.A., Thomadsen B.R., A new reentrant ionization chamber for the calibration of Iridium-192 high dose rate sources, Int. J. Radiat. Oncol. Biol. Phys., 24, pp. 167-170, (1992)

[3]

Podgorsak M.B., DeWerd L.A., Thomadsen B.R., Paliwal B.R., Thermal and scatter effects on the radiation sensitivity of well chambers used for high dose rate Ir 192 calibrations, Med. Phys., 19, pp. 1311-1314, (1992)

[4]

Podgorsak M.B., DeWerd L.A., Paliwal B.R., The half-life of high dose rate Ir-192 sources, Med. Phys., 20, pp. 1257-1259, (1993)

[5]

U.S. Nuclear Regulatory Commission, Code of Federal Regulations, (1992)

← 1 →