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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.
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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...
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...
X-ray Imaging01:24

X-ray Imaging

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 X-rays, and by 1900, X-ray was widely...
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...

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Articles linked to this work by shared authors, journal, and citation graph.

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[A new modality for dentomaxillofacial imaging: cone beam CT].

Journal de radiologie·2009
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Dual-phase Cone-beam Computed Tomography to See, Reach, and Treat Hepatocellular Carcinoma during Drug-eluting Beads Transarterial Chemo-embolization
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Cone-beam imaging: applications in ENT.

C Hodez1, C Griffaton-Taillandier, I Bensimon

  • 1Cabinet de radiologie et d'imagerie médicale, 125, rue Saint-Dizier, 54000 Nancy, France. chodez@free.fr

European Annals of Otorhinolaryngology, Head and Neck Diseases
|April 5, 2011
PubMed
Summary
This summary is machine-generated.

Cone-beam imaging offers detailed 3D head scans with lower radiation than CT. While limited for soft tissues, it excels in detecting head infections, dental issues, and ear pathologies, even with cochlear implants.

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Area of Science:

  • Radiology and Imaging
  • Medical Technology
  • Otorhinolaryngology

Background:

  • Cone-beam imaging is an X-ray based 3D imaging technique for the head.
  • It provides isotropic resolution, comparable or superior to CT, with reduced radiation.
  • Limitations include lower signal-to-noise ratio and poor density resolution, hindering soft-tissue analysis.

Purpose of the Study:

  • To evaluate the efficacy and applications of cone-beam imaging in head and neck pathologies.
  • To highlight its advantages over CT in specific clinical scenarios.
  • To explore its potential in dentistry, sinus assessment, and otology.

Main Methods:

  • Utilizing cone-beam imaging technology for volumetric data acquisition of the head.
  • Comparing image quality and diagnostic capabilities with Computed Tomography (CT).
  • Assessing performance in inflammatory, infectious, dental, and ear-related conditions.

Main Results:

  • Demonstrates high effectiveness in studying head inflammatory and infectious processes.
  • Offers superior precision for screening sinusitis of dental origin compared to CT.
  • Shows promise in exploring ear pathologies like chronic otitis, dysplasia, deformity, and trauma.
  • Low sensitivity to metallic artifacts makes it ideal for cochlear implant follow-up.

Conclusions:

  • Cone-beam imaging is a valuable tool for head and neck imaging, particularly for bone and air-filled structures.
  • It is poised to become the reference standard for sinus assessment.
  • Its utility extends to otological evaluations and post-cochlear implant imaging.