Is utilisation of computed tomography justified in clinical practice? Part IV: applications of paediatric computed tomography
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Computed tomography (CT) has been recognised as the most widely-used imaging technique in both adults and children, owing to the technological developments, especially with the recent innovations in multislice CT. This has resulted in an increase in the frequent use of CT examinations in children younger than 15 years in developed countries. Increasing use of paediatric CT in clinical practice has raised concerns about the potential risk of radiation-induced fatal malignancy. This is because CT examinations deliver much higher radiation dose than conventional radiographic techniques. Children are more sensitive to radiation exposure than adults and have a longer time ahead of them to manifest the radiation-induced effects and injuries. Therefore, it is of paramount importance to reduce or minimise the radiation dose to children when choosing CT as the major imaging modality for diagnostic purposes. This article reviews the clinical applications of paediatric CT with regard to the adjustment of imaging protocols in routine clinical practice and in the emergency department, justification of CT use in paediatric imaging, clinical awareness of CT-associated radiation risk and strategies to minimise radiation exposure to children.
Reproduced from Sun, Zhonghua and Ng, Kwan-hoong and Sarji, Sa, Is utilisation of computed tomography justified in clinical practice? Part IV: applications of paediatric computed tomography, Singapore Medical Journal 2010; 51 (6): pp. 457-463.
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