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Radiation Protection Dosimetry Advance Access originally published online on May 24, 2008
Radiation Protection Dosimetry 2008 129(1-3):340-345; doi:10.1093/rpd/ncn083
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© The Author 2008. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Intercomparison of active personal dosemeters in interventional radiology

Isabelle Clairand1,*, Lara Struelens2, Jean-Marc Bordy3, Josiane Daures3, Jacques Debroas1, Marc Denozières3, Laurent Donadille1, Jean Gouriou3, Christian Itié1, Pedro Vaz4 and Francesco d'Errico5

1 Institut de Radioprotection et de Sûreté Nucléaire (IRSN), BP17, 92262 Fontenay-aux-Roses, France
2 Belgian Nuclear Research Centre (SCK-CEN), Boeretang 200, 2400 Mol, Belgium
3 CEA-LIST Laboratoire National Henri Becquerel, CEA Saclay, 91191 Gif sur Yvette Cedex, France
4 Instituto Tecnológico e Nuclear (ITN), Estrada Nacional 10, 2686-953 Sacavém, Portugal
5 Università di Pisa (UNIPI), Facolta' di Ingegneria, 2 via Diotisalvi, 56126 Pisa, Italy and Yale University, PO BOX 208040, New Haven, CT 06520-8040, USA

* Corresponding author: isabelle.clairand{at}irsn.fr

The use of active personal dosemeters (APD) in interventional radiology was evaluated by Working Group 9 (Radiation protection dosimetry of medical staff) of the CONRAD project, which is a Coordination Action supported by the European Commission within its sixth Framework Programme. Interventional radiology procedures can be very complex and they can lead to relatively high doses to personnel who stand close to the primary radiation field and are mostly exposed to radiation scattered by the patient. For the adequate dosimetry of the scattered photons, APDs must be able to respond to low-energy [10–100 keV] and pulsed radiation with relatively high instantaneous dose rates. An intercomparison of five APD models deemed suitable for application in interventional radiology was organised in March 2007. The intercomparison used pulsed and continuous radiation beams, at CEA-LIST (Saclay, France) and IRSN (Fontenay-aux-Roses, France), respectively. A specific configuration, close to the clinical practice, was considered. The reference dose, in terms of Hp(10), was derived from air kerma measurements and from the measured and calculated energy distributions of the scattered radiation field. Additional Monte Carlo calculations were performed to investigate the energy spectra for different experimental conditions of the intercomparison. The results of this intercomparison are presented in this work and indicate which APDs are able to provide a correct response when used in the specific low-energy spectra and dose rates of pulsed X-rays encountered in interventional radiology.


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 Radiat Prot DosimetryHome page
J.-M. Bordy, J. Daures, I. Clairand, M. Denoziere, L. Donadille, F. d'Errico, J. Gouriou, C. Itie, and L. Struelens
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