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Related Concept Videos

Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Drug Dosing: Infants and Children01:29

Drug Dosing: Infants and Children

Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and the...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...

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Related Experiment Video

Updated: Jun 29, 2026

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
08:30

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

Pediatric dose reduction in computed tomography.

Donald P Frush1

  • 1Department of Radiology, 1905 McGovern-Davison Children's Health Center, Box 3808 DUMC, Durham, NC 27710, USA. frush943@mc.duke.edu

Health Physics
|October 14, 2008
PubMed
Summary
This summary is machine-generated.

Balancing radiation dose and image quality in pediatric computed tomography (CT) is crucial. Understanding CT dose, its applications, and reduction strategies ensures patient safety and effective imaging in children.

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Whole-body PET/MRI of Pediatric Patients: The Details That Matter
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Whole-body PET/MRI of Pediatric Patients: The Details That Matter

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Whole-body PET/MRI of Pediatric Patients: The Details That Matter
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Whole-body PET/MRI of Pediatric Patients: The Details That Matter

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Area of Science:

  • Medical Imaging
  • Pediatric Radiology
  • Radiation Safety

Background:

  • Computed tomography (CT) use in children is increasing.
  • Determining appropriate radiation doses for pediatric CT scans presents unique challenges.
  • Balancing diagnostic image quality with radiation risk is essential for pediatric patients.

Purpose of the Study:

  • To review the principles of radiation dose in pediatric CT.
  • To discuss factors influencing CT use and quality in children.
  • To outline strategies for optimizing radiation dose in pediatric CT examinations.

Main Methods:

  • Review of current literature and guidelines on pediatric CT radiation dose.
  • Analysis of factors affecting CT dose and image quality.
  • Discussion of dose optimization techniques and safety programs.

Main Results:

  • Pediatric CT requires careful consideration of radiation dose versus benefit.
  • Contemporary CT technology presents challenges in dose assessment.
  • Strategies for dose reduction are available and necessary.

Conclusions:

  • Achieving an appropriate balance between radiation risk and diagnostic benefit is paramount in pediatric CT.
  • A comprehensive safety program, understanding CT dose, and employing optimization strategies are key.
  • Further research and adherence to best practices are needed to minimize radiation exposure in children undergoing CT scans.