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Related Concept Videos

Computed Tomography01:10

Computed Tomography

4.8K
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...
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Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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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...
35
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

58
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...
58
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

402
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...
402
Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

356
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...
356

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Related Experiment Video

Updated: Aug 23, 2025

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

Published on: December 19, 2017

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Paediatric CT made easy.

Eszter Nagy1, Sebastian Tschauner1, Clemens Schramek1

  • 1Division of Paediatric Radiology, Department of Radiology, Medical University of Graz, Auenbruggerplatz 34, 8036, Graz, Austria.

Pediatric Radiology
|November 5, 2022
PubMed
Summary
This summary is machine-generated.

Optimizing paediatric computed tomography (CT) involves understanding radiation exposure factors. This review offers a practical approach to minimize radiation dose in children undergoing CT scans.

Keywords:
ALARAChildrenComputed tomographyImage GentlyImagingRadiation protection

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Area of Science:

  • Radiology
  • Medical Imaging
  • Paediatric Healthcare

Background:

  • Computed tomography (CT) in children presents unique challenges, particularly concerning radiation exposure.
  • Minimizing radiation dose is crucial to prevent potential long-term health risks in paediatric patients.
  • Understanding the technical complexities of CT is essential for effective dose optimization.

Approach:

  • This review identifies key factors that influence radiation dose during paediatric CT examinations.
  • It proposes a simplified and practical strategy for optimizing radiation exposure.
  • The focus is on actionable insights for clinicians and radiographers.

Key Points:

  • Radiation dose varies significantly based on patient size, scan parameters, and equipment settings.
  • Iterative dose reduction techniques and appropriate protocol selection are vital.
  • Effective communication and collaboration among healthcare professionals enhance radiation safety.

Conclusions:

  • Implementing a systematic approach to paediatric CT can significantly reduce radiation exposure.
  • Optimized CT protocols ensure diagnostic image quality while prioritizing patient safety.
  • Continued research and education are necessary to advance radiation protection in paediatric imaging.