PMID: 16520715Mar 8, 2006Paper

Measurement of patient skin dose in interventional radiology using passive integrating dosimeter

Nihon Hoshasen Gijutsu Gakkai zasshi
Hiroji IidaIkuo Kobayashi

Abstract

To avoid radiation injury from interventional radiology (IVR), quality assurance (QA) of IVR equipment based on dosimetry is important. In this study, we investigated the usefulness of measuring patient skin dose with a passive integrating dosimeter and water phantom. The optically stimulated luminescence dosimeter (OSLD) was chosen from among various passive integrating dosimeters. The characteristics of the OSLD were compared with a reference ionization dosimeter. The effective energy obtained from the OSLD was compared with that found by the aluminum attenuation method for using the reference ionization dosimeter. Doses and effective energies measured by OSLD correlated well with those of the reference ionization dosimeter. (dose: y=0.971x, r=0.999, effective energy: y=0.990x, r=0.994). It was suggested that OSLD could simultaneously and correctly measure both patient skin dose and effective energy. Patient skin dose rate and effective energy for 15 IVR units of 10 hospitals were investigated using OSLD and a water phantom for automatic brightness control fluoroscopy. The measurement was performed at the surface of a water phantom that was located on the interventional reference point, and source image intensifier distance w...Continue Reading

References

Jun 22, 2001·AJR. American Journal of Roentgenology·T R KoenigL K Wagner
Jun 22, 2001·AJR. American Journal of Roentgenology·L Berlin
Feb 11, 2003·Nihon Hoshasen Gijutsu Gakkai zasshi·Masafumi AmanoHirofumi Yagi
May 13, 2003·Nihon Hoshasen Gijutsu Gakkai zasshi·Hiroshi Mizutani, UNKNOWN Scientific Research Group, Japanese Society of Radiological Technology
Mar 26, 2004·Nihon Hoshasen Gijutsu Gakkai zasshi·Hiroji IidaTakashi Mizushima

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Citations

Oct 6, 2007·Nihon Hoshasen Gijutsu Gakkai zasshi·Hiroshige MoriKatsuhiro Ichikawa

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