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Updated: Mar 1, 2026
Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition
Published on: March 11, 2021
RESULTS FROM A NEW METHOD TO ASSESS THE OCCUPATIONAL LENS DOSE IN INTERVENTIONAL RADIOLOGY
B Cijan1, M Mukaj2, F Bonutti3
1Radiological Department, Bressanone Hospital, Azienda Sanitaria dell'Alto Adige, Bressanone-Brixen, Italy.
Assessing worker eye lens dose in interventional radiology is crucial. This study proposes a practical method using chest-level dosimetry and procedure details to estimate lens dose, aiding compliance with new radiation safety limits.
Area of Science:
- Medical Physics
- Radiology
- Radiation Protection
Background:
- Interventional radiology procedures pose risks of high radiation doses to workers.
- The International Commission on Radiological Protection (ICRP) updated lens dose limits in 2011 to 20 mSv/year.
- Standardized, reliable methods for assessing eye lens dose are lacking.
Purpose of the Study:
- To develop and validate a practical method for estimating worker lens dose.
- To correlate chest-level dose measurements with actual eye lens exposure.
- To improve radiation safety in interventional radiology settings.
Main Methods:
- Utilized Hp(0.07) equivalent dose measured by dosimeters worn at chest level.
- Correlated dose measurements with the total dose-area product (DAP) per procedure.
- Accounted for protective measures: lead glasses, ceiling screens, and their usage frequency.
Main Results:
- A correlation was established between chest-level dosimetry, DAP, and protective measures.
- The proposed method provides a practical approach to lens dose assessment.
- This facilitates compliance with updated ICRP recommendations.
Conclusions:
- The described procedure offers a reliable and simple method for estimating lens dose in interventional radiology.
- This approach supports worker safety and adherence to radiation protection standards.
- Further implementation can enhance occupational health monitoring in radiology.
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