Abstract
Measurement of Dose-Area Product with GafChromic XR Type R Film
Highlights
Increasing concern for the potentially high radiation dose in fluoroscopy-guided interventional procedures has led to the use of a variety of techniques to monitor patient dose.[1,2,3,4,5,6] Many Xray machines of recent design are able to provide information on radiation exposure in the form of dose–area product (DAP)
Calibration of the dose–area product meter For the Philips Integris V5000 X-ray system, the comparison between the indicated and measured kilovoltage had a maximum difference of 7.8%
The limitations and accuracies in using GafChromic XR Type R film as an alternative means to determine DAP were studied in this investigation
Summary
Increasing concern for the potentially high radiation dose in fluoroscopy-guided interventional procedures has led to the use of a variety of techniques to monitor patient dose.[1,2,3,4,5,6] Many Xray machines of recent design are able to provide information on radiation exposure in the form of dose–area product (DAP). A relatively new type of film, the GafChromic XR Type R Dosimetry film (International Specialty Products, Wayne, NJ), was introduced to record skin entrance radiation exposure in interventional radiological procedures. Its ability to record high radiation dose has been demonstrated.[7,8] The GafChromic XR Type R film could be an alternative means to record DAP. Such a possibility was investigated here by placing the film at the output of an X-ray tube assembly and measuring the film response by a handheld reflective-type densitometer and an economical flatbed scanner
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