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Related Concept Videos

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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Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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X-ray Imaging01:24

X-ray Imaging

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German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
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Positron Emission Tomography01:29

Positron Emission Tomography

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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...
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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.
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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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Related Experiment Videos

Imaging informatics: toward capturing and processing semantic information in radiology images.

D L Rubin1, S Napel

  • 1Richard M. Lucas Center, 1201 Welch Road, Office P285, Stanford, CA, USA. dlrubin@stanford.edu

Yearbook of Medical Informatics
|October 13, 2010
PubMed
Summary

Imaging informatics is advancing with new methods for describing and analyzing medical images. These innovations promise to enhance diagnostic accuracy and enable data-driven discoveries in radiology.

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Area of Science:

  • Medical Imaging
  • Informatics
  • Radiology

Background:

  • Traditional imaging informatics focuses on image processing, visualization, and detection.
  • Emerging trends indicate a shift towards more sophisticated data analysis and knowledge representation.

Purpose of the Study:

  • To identify challenges and opportunities in imaging informatics.
  • To explore how images can be used for discovery and improved diagnostic accuracy.

Main Methods:

  • Review and analysis of recent literature in imaging informatics and related fields.
  • Identification and discussion of new developments and challenges in the field.

Main Results:

  • Emerging trends include ontologies for image and report description, structured reporting, and image annotation.
  • Applications are being developed for decision support using semantic image information.
  • Synergies exist with biomedical informatics, leveraging large datasets for discovery.

Conclusions:

  • Imaging informatics is adopting knowledge representation and analysis methods for image datasets.
  • Advances will integrate imaging with clinical and molecular data.
  • New data-driven discoveries and improved radiology practice quality are anticipated.