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Comparison of Patient Skin Dose Evaluated Using Radiochromic Film and Dose Calculation Software

  • Florian Magnier
  • Maxime Poulin
  • Claire Van Ngoc Ty
  • Estelle Osmond
  • Guillaume Bonniaud
  • Jeremy Coulot
  • Bruno Pereira
  • Louis Boyer
  • Joel Guersen
  • Lucie Cassagnes
Clinical Investigation

Abstract

Purpose

To compare, in an interventional radiology setting, peak skin doses (PSDs) delivered as calculated using a dedicated software tool and as measured using radiochromic film. To assess the utility of this dose calculation software tool in routine clinical practice.

Materials and Methods

First, radiochromic films were positioned on the examination table in the back of an adult anthropomorphic phantom to measure PSD, and X-ray examinations were simulated. Then, films were again positioned in the patient’s back for 59 thoracic or abdominopelvic endovascular interventions. The results obtained with the radiochromic films were taken as a reference and were statistically compared with those of the software.

Results

With measured PSDs ranging from 100 to 7000 mGy, the median software–film difference was 8.5%. Lin’s concordance coefficient was 0.98 [0.97; 0.99] (p < 0.001), meaning that concordance was excellent between the two methods. For the films where PSD exceeded 1000 mGy, the median difference in the measured value was 8.7% [− 1.3; 21.1], with a maximum discrepancy of 34%. Lin’s concordance coefficient was 0.98 [0.96; 1] (p < 0.001), meaning that concordance was excellent between the two methods.

Conclusion

Comparison between radiochromic films and the software tool showed that the software is a suitable tool for a simple and reliable estimation of PSD. The software seems to be a good alternative to films, whose use remains complex.

Keywords

Interventional radiology Radiation protection Film dosimetry Radiation injuries Adult anthropomorphic phantom 

Notes

Acknowledgements

We thank the interventional radiologists and medical electroradiology technologists at the diagnostic imaging and interventional radiology center of Clermont-Ferrand University Hospital, France.

Compliance with Ethical Standards

Conflict of interest

Florian Magnier, Maxime Poulin, Estelle Osmond, Bruno Pereira, Louis Boyer, Joël Guersen and Lucie Cassagnes declare that they have no conflict of interest. Claire Van Ngoc Ty is employee of the company Esprimed. Guillaume Bonniaud is employee of the company Esprimed. Jeremy Coulot is CEO of the company that develops the product discussed in the manuscript.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature and the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) 2018

Authors and Affiliations

  • Florian Magnier
    • 1
    • 2
  • Maxime Poulin
    • 1
  • Claire Van Ngoc Ty
    • 3
  • Estelle Osmond
    • 1
  • Guillaume Bonniaud
    • 3
  • Jeremy Coulot
    • 3
  • Bruno Pereira
    • 4
  • Louis Boyer
    • 1
    • 5
  • Joel Guersen
    • 1
  • Lucie Cassagnes
    • 1
    • 5
  1. 1.Pôle d’Imagerie Diagnostique et de Radiologie InterventionnelleCHUClermont-FerrandFrance
  2. 2.Plateforme régionale de physique médicaleCentre Jean PerrinClermont-FerrandFrance
  3. 3.Société EsprimedVillejuifFrance
  4. 4.Biostatistics Unit (Délégation Recherche Clinique & Innovation)CHUClermont-FerrandFrance
  5. 5.ISIT, UMR 6284 CNRSUniversité d’Auvergne Clermont-FerrandFrance

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