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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 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...

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Related Experiment Video

Updated: May 25, 2026

Enhancing Electrode Location Assessment in Cochlear Implantation via Computed Tomography Image Fusion
03:58

Enhancing Electrode Location Assessment in Cochlear Implantation via Computed Tomography Image Fusion

Published on: January 17, 2025

Flat-panel computed tomography versus multislice computed tomography to evaluate cochlear implant positioning.

Daniel M Zeitler1, Kevin H Wang, Ravi S Prasad

  • 1Department of Otolaryngolgy, University of Miami School of Medicine, Miami, FL, USA.

Cochlear Implants International
|January 19, 2012
PubMed
Summary
This summary is machine-generated.

Flat-panel volumetric CT (fpVCT) offers superior image quality for cochlear implant (CI) temporal bone imaging compared to multislice CT (msCT). fpVCT accurately assesses CI electrode positioning and intracochlear trauma.

Related Experiment Videos

Last Updated: May 25, 2026

Enhancing Electrode Location Assessment in Cochlear Implantation via Computed Tomography Image Fusion
03:58

Enhancing Electrode Location Assessment in Cochlear Implantation via Computed Tomography Image Fusion

Published on: January 17, 2025

Area of Science:

  • Radiology
  • Otolaryngology
  • Medical Imaging

Background:

  • Cochlear implants (CIs) require precise electrode placement for optimal function.
  • Assessing CI positioning and potential complications in the temporal bone is crucial.
  • Traditional multislice CT (msCT) has limitations in visualizing fine details within the temporal bone.

Purpose of the Study:

  • To compare image quality between flat-panel volumetric CT (fpVCT) and msCT in temporal bones with CIs.
  • To evaluate the accuracy of fpVCT in determining CI electrode positioning.
  • To assess the utility of fpVCT for post-implantation temporal bone analysis.

Main Methods:

  • Six cadaveric temporal bones were imaged using fpVCT before and after CI implantation.
  • Radial reformatted images were created to assess electrode contact positioning.
  • Electrode-modiolar interval (EMI) distances were measured and compared between fpVCT and msCT.
  • Histological analysis was performed to evaluate CI intrascalar positioning and insertional trauma.

Main Results:

  • Image quality was significantly superior with fpVCT compared to msCT.
  • Mean EMI distances showed no significant difference between fpVCT and msCT.
  • fpVCT provided valuable information on intracochlear trauma and intrascalar electrode array positioning.

Conclusions:

  • fpVCT offers superior image quality for temporal bone imaging with CIs compared to msCT.
  • fpVCT accurately assesses electrode positioning and intracochlear trauma.
  • fpVCT is a valuable, convenient, and lower-radiation option for post-implantation temporal bone imaging.