Risk and benefit in paediatric radiology

Area of Science:

• Radiological science
• Medical physics
• Health risk assessment

Background:

• Medical investigations using ionizing radiation must be justified by demonstrating that potential benefits outweigh associated risks.
• Risk estimation relies on effective dose, following International Commission on Radiological Protection guidelines.
• Current benefit quantification for pediatric radiology investigations is lacking.

Purpose of the Study:

• To highlight the necessity of quantifying benefits for pediatric radiological investigations.
• To establish a framework for evaluating the benefit-risk ratio in pediatric radiology.
• To advocate for research into the magnitude of patient benefits from radiological procedures.

Main Methods:

• Reviewing existing frameworks for radiation risk assessment (effective dose, ICRP).
• Analyzing the current state of benefit quantification in pediatric radiology.
• Identifying categories of investigations based on potential benefit levels (unnecessary, low, or requiring evaluation).

Main Results:

• Established that risks from ionizing radiation can be estimated using effective dose.
• Identified that benefits of pediatric radiology investigations are largely unquantified.
• Categorized investigations into those with self-evident benefits, negligible benefits, and those requiring benefit-risk evaluation.

Conclusions:

• Further research is essential to quantify the benefits of most pediatric radiological investigations.
• Benefit-risk assessments are critical for justifying the use of ionizing radiation in pediatric imaging.
• A clear understanding of benefits is needed to ensure radiation use is appropriate and minimized.