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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 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 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 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 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
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...

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Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans
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Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans

Published on: September 27, 2020

CT technology overview: 64-slice and beyond.

Patrik Rogalla1, Christian Kloeters, Patrick A Hein

  • 1Department of Radiology, Campus Charité Mitte, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany. rogalla@charite.de

Radiologic Clinics of North America
|February 7, 2009
PubMed
Summary
This summary is machine-generated.

Sixty-four-slice computed tomography (CT) advanced radiology with high resolution and speed. Innovations like dose reduction techniques and new detectors push CT imaging further.

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Area of Science:

  • Radiology and Medical Imaging
  • Medical Physics
  • Biomedical Engineering

Background:

  • Computed tomography (CT) technology has seen rapid advancements.
  • Sixty-four-slice CT scanners represent a significant milestone in this development.
  • These systems offer enhanced imaging capabilities crucial for clinical diagnosis.

Purpose of the Study:

  • To highlight the technical evolution of CT imaging, exemplified by the sixty-four-slice scanner.
  • To discuss the key technological features that improved image quality and patient safety.
  • To outline emerging innovations in CT technology and their potential clinical impact.

Main Methods:

  • Review of technological advancements in CT imaging systems.
  • Analysis of features such as high spatial resolution, rapid gantry rotation times, and dose reduction techniques.
  • Discussion of novel detector materials, dual-layer detectors, dual-source, and dynamic volume CT.

Main Results:

  • Sixty-four-slice CT achieved high spatial resolution (0.5-mm slices) and fast acquisition (0.3-second gantry rotation).
  • Techniques like 3D tube modulation and adaptive x-ray shutters significantly reduced patient radiation dose.
  • Optimized reconstruction algorithms further enhanced image quality.
  • Emerging technologies like dual-layer detectors and dual-source CT represent the forefront of CT innovation.

Conclusions:

  • Sixty-four-slice CT marked a pivotal point in the rapid technical development of radiological imaging.
  • Technological integration, including dose modulation and advanced reconstruction, improved both image quality and patient safety.
  • Ongoing innovations continue to expand the clinical applications and capabilities of CT imaging.