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Modern Paediatric Radiology: Meeting the Challenges in CT and MRI

Pradeep Raj Regmi1, Isha Amatya2, Sharma Paudel1

  • 1Department of Radiology and Imaging, Tribhuvan University Teaching Hospital, Maharajgunj, Kathmandu, Nepal.

JNMA; Journal of the Nepal Medical Association
|January 27, 2023
PubMed

Insights

Minimizing radiation dose in pediatric computed X-ray tomography and reducing scan times for magnetic resonance imaging are crucial. These strategies aim for safer, sedation-free imaging in children, adhering to the "as low as reasonably achievable" principle.

Area of Science:

  • Medical Imaging
  • Pediatric Radiology

Background:

  • Radiology is vital for pediatric diagnosis, treatment, and follow-up.
  • Computed tomography (CT) and magnetic resonance imaging (MRI) are key modern modalities.
  • CT involves radiation dose; MRI in children often requires sedation due to long scan times.

Purpose of the Study:

  • To discuss methods for minimizing radiation dose in pediatric CT scans.
  • To explore techniques for achieving effective, short, and sedation-free pediatric MRI.
  • To emphasize adherence to the ALARA principle in pediatric imaging.

Main Methods:

  • Implementing pediatric-specific protocols for CT.
  • Limiting CT radiation exposure to the area of interest.
  • Developing faster scan protocols and sequences for MRI.

Main Results:

  • Paediatric-specific CT protocols and focused scanning reduce radiation dose.
  • Faster MRI techniques enable sedation-free examinations in children.
  • The "as low as reasonably achievable" (ALARA) principle guides dose reduction.

Conclusions:

  • Optimized CT protocols and focused scanning minimize pediatric radiation exposure.
  • Advanced MRI techniques facilitate shorter, sedation-free imaging for children.
  • These advancements improve the safety and efficacy of radiological procedures in pediatric patients.

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