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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...
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 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...
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
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...
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...

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Related Experiment Video

Updated: Jul 18, 2026

Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans
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CT techniques for imaging the lung: recommendations for multislice and single slice computed tomography.

Z A Aziz1, S P Padley, D M Hansell

  • 1Department of Radiology, Royal Brompton Hospital, Sydney Street, London SW3 6NP, UK. z.aziz@rbh.nthames.nhs.uk <z.aziz@rbh.nthames.nhs.uk>

European Journal of Radiology
|October 19, 2004
PubMed
Summary

Multislice computed tomography (MSCT) offers advanced lung imaging for thoracic radiologists. New protocols must balance diagnostic benefits against radiation dose, prioritizing clinical information at the lowest possible exposure.

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Area of Science:

  • Radiology
  • Medical Imaging

Background:

  • Multislice computed tomography (MSCT) is a key tool for thoracic imaging.
  • New imaging protocols require careful evaluation.

Purpose of the Study:

  • To assess the balance between diagnostic information and radiation dose in MSCT lung imaging.
  • To advocate for evidence-based adoption of new thoracic CT protocols.

Main Methods:

  • Review of current MSCT protocols for lung imaging.
  • Evaluation of diagnostic yield versus radiation exposure.

Main Results:

  • MSCT provides significant advancements in thoracic imaging.
  • Potential for increased radiation dose with new protocols necessitates caution.

Conclusions:

  • New MSCT protocols should demonstrate objective superiority before replacing older ones.
  • Optimal protocols maximize clinical information while minimizing radiation dose.