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June 20, 2026DiagnosticsOpen Access

From Anatomical to Clinical DRLs: Establishing Indication-Based CT Dose Benchmarks in Saudi Arabia

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Authors

ABAbir BouaounRAReem M. AlthubaitiRERudeinah W. Edreess

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Overview

Retrospective cross-sectional study establishes radiation doses for CT indications in adults, highlighting dose optimization implications.

Key Points

  • The aim is to establish typical radiation doses for common CT clinical indications in adult patients at KAUH in Saudi Arabia.
  • Retrospective cross-sectional study of 298 adult patients undergoing CT from 2020 to 2025.
  • Collected demographic data and radiation dose metrics including CTDIvol and DLP from scanner consoles.
  • Analyzed six clinical indications: brain trauma, sinusitis, chest metastases, interstitial lung disease, abdominopelvic metastases, and hernia.
  • Median CTDIvol for brain trauma was 36.4 mGy, the highest among indications, while sinusitis was 3.4 mGy, the lowest.
  • DLP values ranged from 50 mGy·cm for sinusitis to 654 mGy·cm for brain trauma.
  • Most values were comparable to or lower than international diagnostic reference levels.

Cite This Study

Bouaoun et al. (2026) studied this question.

synapsesocial.com/papers/6a362f3bdb0793dc1a536b2ahttps://doi.org/10.3390/diagnostics16121897
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