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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 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 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...
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...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...

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Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans
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Published on: September 27, 2020

Post-processing applications in thoracic computed tomography.

S L F Walsh1, A Nair, D M Hansell

  • 1Department of Radiology, St George's Hospital, Tooting, London, UK.

Clinical Radiology
|January 29, 2013
PubMed
Summary
This summary is machine-generated.

Advanced imaging techniques like multidetector computed tomography (MDCT) and dual-energy CT (DECT) offer new ways to visualize and quantify lung diseases. While powerful, these post-processing tools require wider clinical adoption for better patient monitoring.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Pulmonary Medicine

Background:

  • Multidetector computed tomography (MDCT) and dual-energy CT (DECT) have rapidly advanced.
  • Post-processing techniques have significantly improved, offering new visualization and quantification methods for lung diseases.

Purpose of the Study:

  • To review advanced imaging post-processing techniques for lung diseases.
  • To describe available post-processing tools and their clinical applications.

Main Methods:

  • Review of single-energy and DECT imaging techniques benefiting from post-processing.
  • Description of various post-processing tools.
  • Consideration of clinical applications in specific lung conditions.

Main Results:

  • Advanced post-processing provides complementary 2D/3D visualization of airways and lung parenchyma.
  • Quantification methods for chronic obstructive pulmonary disease (COPD) and interstitial lung disease are emerging.
  • Computer-aided detection for lung cancer and pulmonary embolism is under exploration.

Conclusions:

  • Many advanced CT post-processing techniques show promise but lack widespread clinical adoption.
  • These techniques can aid in monitoring COPD, diffuse lung disease, and detecting lung cancer and pulmonary embolism.