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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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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 I: CT and MRI01:14

Imaging Studies I: CT and MRI

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

Imaging Studies for Cardiovascular System V: CT

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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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Brain Imaging01:14

Brain Imaging

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Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic...
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Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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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...
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Updated: Apr 27, 2026

Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging
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Time-Resolved, Dynamic Computed Tomography Angiography for Characterization of Aortic Endoleaks and Treatment Guidance via 2D-3D Fusion-Imaging

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Advances in computed tomography imaging technology.

Daniel Thomas Ginat1, Rajiv Gupta

  • 1Department of Radiology, University of Chicago, Chicago, Illinois 60637.

Annual Review of Biomedical Engineering
|July 12, 2014
PubMed
Summary
This summary is machine-generated.

Computed tomography (CT) advances enhance diagnostic imaging. New CT technologies offer significant clinical impact for various medical conditions.

Keywords:
cone-beam CTdual-energy CTextreme multidetector CTiterative reconstructionphase-contrast CTportable CT

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Area of Science:

  • Radiology and Medical Imaging

Background:

  • Computed tomography (CT) is a cornerstone of diagnostic imaging.
  • Clinical evaluation of numerous conditions relies heavily on CT scans.

Purpose of the Study:

  • To review recent advances in CT technology.
  • To discuss the clinical impact and applications of these new CT techniques.
  • To explore emerging technologies addressing current CT limitations.

Main Methods:

  • Review of recent literature on CT technology advancements.
  • Illustration of clinical applications for each discussed CT technique.
  • Discussion of emerging CT modalities.

Main Results:

  • Significant clinical impact from extreme multidetector CT, iterative reconstruction, dual-energy CT, cone-beam CT, portable CT, and phase-contrast CT.
  • These advanced CT techniques are transforming diagnostic capabilities.
  • Emerging technologies show promise for further improving CT performance.

Conclusions:

  • Recent CT technology advancements are crucial for modern diagnostic imaging.
  • Continued innovation in CT is expected to further enhance clinical decision-making.
  • Future CT developments will address existing modality deficiencies.