Abstract
Hand-wrist radiography is the most common and accurate method for evaluating children’s bone age. To reduce the scattered radiation of radiosensitive organs in bone age assessment, we designed a small X-ray instrument with radioprotection function by adding metal enclosure for X-ray shielding. We used a phantom operator to compare the scattered radiation doses received by sensitive organs under three different protection scenarios (proposed instrument, radiation personal protective equipment, no protection). The proposed instrument showed greater reduction in the mean dose of a single exposure compared with radiation personal protective equipment especially on the left side which was proximal to the X-ray machine (≥80.0% in eye and thyroid, ≥99.9% in breast and gonad). The proposed instrument provides a new pathway towards more convenient and efficient radioprotection.
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The datasets generated during and/or analyzed during the current study are freely available from the corresponding author on request.
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Acknowledgements
The authors would like to thank the colleagues from the Department of Radiology of The Second Affiliated Hospital of Zhejiang University for their assistance in setting the experiment environment.
Funding
This study was supported by the National Key Research and Development Program of China (Grant No. 2018YFE0198400) and by the Medical Health Science and Technology Project of Zhejiang Provincial Health Commission (Grant No. 2021PY008). The funders played no role in data collection, interpreting the data, and writing of the manuscript.
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X.W. conceived the study and drafted the manuscript. R.C. supplied the data. M.X. and H.L. analyzed the data and critically reviewed the manuscript. H.L. and L.X. critically reviewed the manuscript and supervised the study. All contributed to the discussion and revision of the manuscript and approved the final version.
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Wang, X., Xu, M., Zhu, H. et al. Phantom study of a self-shielded X-ray bone age assessment instrument against scattered radiation in children. Pediatr Radiol 54, 646–652 (2024). https://doi.org/10.1007/s00247-024-05897-6
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DOI: https://doi.org/10.1007/s00247-024-05897-6