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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 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...
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...

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Principles of CT: radiation dose and image quality.

Journal of nuclear medicine technology·2007
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Principles of CT and CT technology.

Journal of nuclear medicine technology·2007
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Related Experiment Video

Updated: Jul 5, 2026

Surgery and Sample Processing for Correlative Imaging of the Murine Pulmonary Valve
07:34

Surgery and Sample Processing for Correlative Imaging of the Murine Pulmonary Valve

Published on: August 5, 2021

Principles of CT: multislice CT.

Lee W Goldman1

  • 1Department of Radiation Therapy and Medical Physics, Hartford Hospital, Hartford, Connecticut 06102, USA. lgoldma@harthosp.org

Journal of Nuclear Medicine Technology
|May 17, 2008
PubMed
Summary
This summary is machine-generated.

This article explains multislice CT (MSCT) principles, dose reduction techniques, and data management. It covers MSCT evolution, radiation dosimetry, and handling large datasets for better imaging.

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Last Updated: Jul 5, 2026

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Area of Science:

  • Medical Imaging
  • Radiology
  • Computed Tomography

Background:

  • Multislice CT (MSCT) represents a significant advancement in computed tomography.
  • Understanding MSCT principles is crucial for effective clinical application and radiation safety.

Purpose of the Study:

  • To detail the principles and evolution of multislice CT (MSCT).
  • To discuss MSCT radiation dosimetry and dose reduction strategies.
  • To address data management challenges in MSCT examinations.

Main Methods:

  • Review of conceptual differences in slice definition, cone beam effects, helical pitch, and helical scan techniques.
  • Description of MSCT radiation dosimetry principles and associated dose issues.
  • Presentation of factors related to the large data volumes in MSCT.

Main Results:

  • Elucidation of the technological advancements and operational differences in MSCT compared to earlier CT scanners.
  • Identification of key radiation dose considerations and effective dose reduction methods for MSCT.
  • Overview of the data handling requirements for MSCT imaging.

Conclusions:

  • MSCT offers enhanced imaging capabilities but requires careful attention to radiation dosimetry and data management.
  • Knowledge of MSCT principles and dose optimization is essential for radiologists and technologists.
  • Effective management of large datasets is critical for efficient MSCT workflow.