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April 1, 2026Physical and Engineering Sciences in MedicineOpen Access

Proposing diagnostic reference levels for paediatric computed tomography in Jordan: a national multicentre analysis

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Authors

AYAbdel-Baset Bani YaseenJTJamie TrappDFDavide Fontanarosa

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Overview

Multicentre analysis establishes national DRLs in paediatric CT, highlighting dose optimization needs.

Key Points

  • This research aims to propose national diagnostic reference levels for paediatric computed tomography in Jordan and evaluate dose variations.
  • Conducted a retrospective multicentre study across six hospitals in Jordan.
  • Included 3794 paediatric patients stratified into four age groups.
  • Collected CTDIvol and DLP data for multiple CT protocols.
  • Analysed inter-hospital and age-related dose variations.
  • Defined national DRLs as the 75th percentile of institutional median CTDIvol and DLP values.
  • Observed substantial inter-hospital variability in CTDIvol across protocols.
  • Identified significant associations between acquisition parameters (kVp, mAs, pitch, slice thickness) and CTDIvol and DLP.
  • Found that dose increases with age for trunk protocols, while brain and neck CT showed stable patterns.

Cite This Study

Yaseen et al. (2026) studied this question.

synapsesocial.com/papers/69ccb76c16edfba7beb896f0https://doi.org/10.1007/s13246-026-01731-5
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