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Updated: Feb 22, 2026

Whole-body PET/MRI of Pediatric Patients: The Details That Matter
Published on: December 19, 2017
Paediatric nuclear medicine imaging.
Lorenzo Biassoni1, Marina Easty1
1Department of Radiology, Great Ormond Street Hospital for Children NHS Foundation Trust, London WC1N 3JH, UK.
Nuclear medicine imaging is a vital, evolving tool in pediatrics, aiding diagnosis in nephro-urology, oncology, and neurology. Ongoing research explores advanced techniques like PET/MRI for personalized cancer treatment and epilepsy management.
Area of Science:
- Pediatric Imaging
- Nuclear Medicine
- Radiotracer Technology
Background:
- Nuclear medicine imaging utilizes radiotracers to assess tissue viability, function, and blood flow in pediatric patients.
- This imaging modality has a long history in pediatrics and continues to evolve with new applications.
Purpose of the Study:
- To review the established and emerging applications of nuclear medicine imaging in pediatric subspecialties.
- To highlight areas of consensus, controversy, and future research directions in pediatric nuclear medicine.
Main Methods:
- Data synthesized from clinical experience and key publications in pediatric nuclear medicine.
- Review of established applications in nephro-urology, oncology, and bone pain assessment.
- Discussion of emerging techniques and research areas, including PET/MRI and radionuclide studies.
Main Results:
- Well-established uses include urinary tract infection evaluation, hydronephrosis assessment, neuroblastoma management (I-123-MIBG), bone scintigraphy for bone pain, and thyroid scintigraphy for congenital hypothyroidism.
- Areas of controversy include the potential replacement of nuclear medicine by MRI and the need for standardized protocols for gastrointestinal transit studies.
- Growing points include advanced bone scintigraphy (SPECT/CT) for mechanical stress and the use of Positron Emission Tomography (PET) in pediatric oncology and epilepsy management.
Conclusions:
- Nuclear medicine remains crucial in pediatric nephro-urology, oncology, and neurology, with significant advancements in imaging techniques.
- Emerging technologies like PET/MRI offer promising avenues for personalized medicine in pediatric oncology and neuroscience research.
- Continued research is essential to refine protocols, validate new applications, and integrate advanced imaging for optimal pediatric patient care.
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