A dose comparison survey in CT departments of dedicated paediatric hospitals in Australia and Saudi Arabia

Hussain Al Mohiy, Jenny Sim, Euclid Seeram, Nathan Annabell, Moshi Geso, Giovanni Mandarano, Robert Davidson

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Abstract

AIM: To measure and compare computed tomography (CT) radiation doses delivered to patients in public paediatric hospitals in Australia and Saudi Arabia.METHODS: Doses were measured for routine CT scans of the head, chest and abdomen/pelvis for children aged 3-6 years in all dedicated public paediatric hospitals in Australia and Saudi Arabia using a CT phantom measurement cylinder.RESULTS: CT doses, using the departments' protocols for 3-6 year old, varied considerably between hospitals. Measured head doses varied from 137.6 to 528.0 mGy·cm, chest doses from 21.9 to 92.5 mGy·cm, and abdomen/pelvis doses from 24.9 to 118.0 mGy·cm. Mean head and abdomen/pelvis doses delivered in Saudi Arabian paediatric CT departments were significantly higher than those in their Australian equivalents.CONCLUSION: CT dose varies substantially across Australian and Saudi Arabian paediatric hospitals. Therefore, diagnostic reference levels should be established for major anatomical regions to standardise dose.
Original languageEnglish
Pages (from-to)431-438
Number of pages8
JournalWorld Journal of Radiology
Volume4
Issue number10
DOIs
Publication statusPublished - Oct 2012

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