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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...
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...
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Positron Emission Tomography01:29

Positron Emission Tomography

Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...
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: May 26, 2026

Whole-body PET/MRI of Pediatric Patients: The Details That Matter
10:02

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

Published on: December 19, 2017

Computerized tomography in pediatric oncology.

Claudio Granata1, Gianmichele Magnano

  • 1Department of Radiology, IRCCS Giannina Gaslini Hospital, Genoa, Italy. cgranata@sirm.org

European Journal of Radiology
|January 3, 2012
PubMed
Summary

Computerized tomography (CT) is vital for diagnosing and managing pediatric solid tumors. This review discusses CT

Area of Science:

  • Pediatric Oncology
  • Diagnostic Imaging
  • Radiology

Background:

  • Computerized tomography (CT) is crucial for pediatric solid tumor diagnosis, staging, and management.
  • Concerns regarding radiation exposure from repeated CT scans in children with cancer are increasing.
  • Accumulated radiation burden necessitates careful consideration of imaging protocols.

Purpose of the Study:

  • To review the role of CT in diagnosing, staging, and planning surgical excision of common extracranial pediatric tumors.
  • To highlight key imaging points according to protocol-specific guidelines.
  • To discuss the radiation burden from CT in pediatric cancer patients and strategies for reduction.

Main Methods:

  • Literature review focusing on CT imaging in pediatric solid tumors.

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  • Analysis of protocol-specific imaging guidelines.
  • Discussion of radiation dose reduction strategies.

    • Main Results:

    • CT provides essential information for pediatric solid tumor management.
    • Key imaging features are critical for accurate diagnosis and staging.
    • Strategies exist to minimize radiation exposure in pediatric cancer patients undergoing CT.

    Conclusions:

    • CT remains a powerful tool in pediatric oncology, but radiation risks must be managed.
    • Adherence to imaging guidelines and best practices is essential for reducing radiation burden.
    • Optimizing CT protocols can enhance diagnostic yield while minimizing harm.