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Updated: Jun 18, 2025

Whole-body PET/MRI of Pediatric Patients: The Details That Matter
Published on: December 19, 2017
[CT in pediatric trauma patients]
Stefan Appelhaus1, Stefan O Schönberg1, Meike Weis1
1Department of Radiology and Nuclear Medicine, University Medical Centre Mannheim, Mannheim, Germany.
Insights
Computed tomography (CT) in severe pediatric trauma requires careful consideration due to lower benefits and higher radiation risks in children. A conservative, region-specific approach is recommended over routine whole-body CT scans.
Area of Science:
- Pediatric Radiology
- Trauma Imaging
- Radiation Safety
Background:
- Computed tomography (CT) decisions in pediatric trauma are complex, balancing diagnostic benefits against radiation risks.
- Pediatric trauma centers use CT less frequently than general centers, suggesting potential overuse in less experienced settings.
- Delayed diagnosis from missed CT scans also poses risks.
Purpose of the Study:
- To review the benefits and risks of CT in pediatric trauma.
- To provide evidence-based criteria for CT imaging decisions.
- To discuss radiation protection and alternative imaging modalities.
Main Methods:
- Selective literature review.
- Analysis of current guidelines and recent research.
- Evaluation of CT indications based on injury mechanism and body region.
Main Results:
- Whole-body CT has a limited impact on treatment and mortality in severely injured children compared to adults.
- CT indications in children should be more conservative than in adults due to radiation concerns.
- Region-specific CT decisions are preferable, with ultrasound and MRI as viable alternatives.
Conclusions:
- A structured, conservative approach to CT imaging in pediatric trauma is essential.
- Prioritize radiation protection and consider alternative modalities like ultrasound and MRI.
- Tailor CT use to specific injury regions rather than routine whole-body scans.
Abstract:
The decision as to whether to perform a computed tomography (CT) examination in severe pediatric trauma poses a challenge. The therapeutic benefit of computed tomography in injured children is lower compared to adults, while the potential negative effects of ionizing radiation may be higher. Thus, the threshold for CT should be higher. Centers that less frequently treat pediatric cases tend to conduct more whole-body CT examinations than dedicated pediatric trauma centers, indicating a clinical overestimation of injury severity with subsequently unnecessary imaging due to inexperience. On the other hand, a CT scan that is not performed but is actually necessary can also have negative consequences if an injury is detected with a delay. An injured child presents a challenging situation for all involved healthcare providers, and thus requires a structured approach to decision-making.Selective literature review of the benefits and risks of CT in injured children, as well as indications for whole-body and region-specific CT imaging.This article provides an overview of current guidelines, recent insight into radiation protection and the benefits of CT in injured children, and evidence-based decision criteria for choosing the appropriate modality based on the mechanism of injury and the affected body region. · Whole-body CT has less of an influence on treatment decisions and mortality in severely injured children than in adults.. · For radiation protection reasons, the indication should be determined more conservatively in children than in adult trauma patients.. · The indication for CT should ideally be determined separately for each region of the body.. · Ultrasound and MRI are a good alternative for the primary diagnostic workup in many situations.. · Appelhaus S, Schönberg SO, Weis M. CT in pediatric trauma patients. Rofo 2025; DOI 10.1055/a-2341-7559.
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