H . Sekkat et al .: Radioprotection 2024 , 59 ( 3 ), 203 – 210 209 highlights the need for a nuanced approach to size-specific dose estimation in pediatric head CT scans , with a preference for Dw as a more accurate representation of patient size .
Acknowledgments
Special thanks to Mr . Hamza Sekkat for supervising data collection at the Children ’ s Hospital . We acknowledge the financial support from Hassan First University ( Grant # FP202006 ).
Funding
This work was supported by Hassan First University ( Grant # FP202006 ).
Conflicts of interest
The authors declare that they have no conflict of interest . Data availability statement
The findings presented in this study are based on a retrospective dataset that is not publicly available due to privacy and confidentiality restrictions . Unfortunately , the data cannot be shared or made openly accessible to protect the privacy of the individuals included in the dataset . However , the authors are committed to providing any necessary information or clarification upon reasonable request .
Author contribution statement
H . Sekkat : Writing original draft , Methodoloy , Investigation , K . El Mansouri : Conceptualization , A . Khallouqi : Visualization , Methodology , A . Halimi and O . El rhazouani : Supervision . Z . Tahiri and M . Talbi : Writing-Reviewing and editing , M . El Mansouri : Visualization .
Ethics approval
Ethical approval was not required . Informed consent
This article does not contain any studies involving human subjects .
References
AAPM Publication 204 . 2011 . The Report of AAPM Task Group 204 : Size-specific dose estimates ( SSDE ) in pediatric and adult body CT examinations . https :// www . aapm . org / pubs / reports / RPT _ 204 . pdf
AAPM Publication 220 . 2014 . The Report of AAPM Task Group 220 : Use of water equivalent diameter for calculating patient size and size-specific dose estimates ( SSDE ) in CT . https :// www . aapm . org / pubs / reports / RPT _ 220 . pdf
Abdulkadir MK , Shuaib IL , Nasirudin RA , Samsudin AHZ , Osman ND . 2022 . Comparison between Deff and Dw approaches for estimation of size-specific dose in pediatric CT imaging . Radiat Phys Chem 198 : 110205 .
Amalaraj T , Jeyasugiththan J , Satharasinghe D , Pallewatte AS . 2023 . Dose reference level based on size-specific dose estimate ( SSDE ) and feasibility of deriving effective body diameter using tube current and time product ( mAs ) for adult chest and abdomen computed tomography ( CT ) procedures . Phys Med Biol 43 ( 1 ): 011505 .
Anam C , Haryanto F , Widita R , et al . 2017 . The evaluation of the effective diameter ( Deff ) calculation and its impact on the sizespecific dose estimate ( SSDE ). Atom Indones 43 ( 1 ): 55 – 60 .
Boos J , Kröpil P , Bethge OT . 2018 . Accuracy of size-specific dose estimate calculation from center slice in computed tomography . Radiat Prot Dosimetry 178 ( 1 ): 8 – 19 .
Brenner DJ . 2010 . Should we be concerned about the rapid increase in CT usage ? Rev Environ Health 25 ( 1 ): 63 – 67 .
Cheng PM , Vachon LA , Duddalwar VA . 2013 . Automated pediatric abdominal effective diameter measurements versus age-predicted body size for normalization of CT dose . J Digit Imaging 26 ( 6 ): 1151 – 1155 .
El Mansouri M , Choukri A , Semghouli S , et al . 2022 . Size-specific dose estimates for thoracic and abdominal computed tomography examinations at two Moroccan hospitals . J Digit Imaging 35 ( 7 ): 1648 – 1653 .
El Mansouri M , Sekkat H , Talbi M , et al . 2024a . FMECA process analysis for managing the failures of 16-slice CT scanner . J Fail Anal Preven 24 : 436 – 442 .
El Mansouri M , Tahiri Z , Talbi M , Nhila O , Sekkat H , Choukri A . 2024b . Determination of water-equivalent diameter ( Dw ) and size-specific dose estimates ( SSDE ) for adult patients in abdominal CT examinations . Radiat Eff Defects Solids 1 – 8 .
El Mansouri M , Talbi M , Choukri A , Nhila O , Aabid M . 2022 . Establishing local diagnostic reference levels for adult computed tomography in Morocco . Radioprotection 57 ( 1 ): 61 – 66 .
El Mansouri M , Talbi M , Tahiri Z , et al . 2023 . Application of the pareto tool for the analysis of CT scanner failures . J Fail Anal Preven 23 : 2039 – 2043 .
Frush DP , Donnelly LF , Rosen NS . 2003 . Computed tomography and radiation risks : what paediatric health care providers should know . Pediatrics 112 ( 4 ): 951 – 957 .
Griffey RT , Sodickson A . 2009 . Cumulative radiation exposure and cancer risk estimates in emergency department patients undergoing repeat or multiple CT . Am J Roentgenol 192 ( 4 ): 887 – 892 .
ICRU Report 74 . 2005 . Patient dosimetry for X rays used in medical imaging . J ICRU 5 ( 2 ): 89 .
Kalender WA . 2014 . Dose in x-ray computed tomography . Phys Med Biol 59 ( 3 ): R129 – R150 .
Karim MKA , Harun HH , Kayun Z , Aljewaw OB , Azizan SHN , Rafiz NFNM , Muhammad NA . 2021 . Paediatric radiation dose and cancer risk associated with body effective diameter during CT thorax examination . Radiat Phys Chem 188 : 109685 .
Menke J . 2005 . Comparison of different body size parameters for individual dose adaptation in body CT of adults . Radiology 236 ( 2 ): 565 – 571 .
Nhila O , Talbi M , Youssoufi MA , El Mansouri M , Tahiri Z , Chakir EM , Azougagh M . 2024 . Establishment of local diagnostic reference levels for breast cancer CT protocols in radiotherapy in a single Moroccan center . Radioprotection 59 ( 1 ): 50 – 54 .
Saito H , Ito T , Tsujiguchi T , et al . 2018 . Characteristics of temporal resolution in 16- and 64-row computed tomography scanners . Radiol Phys Technol 11 ( 1 ): 100 – 108 .