Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Computed Tomography01:10

Computed Tomography

4.1K
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...
4.1K

You might also read

Related Articles

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

Sort by
Same author

Potential of quantitative X-ray imaging from photon-counting CT: A novel analysis based on effective atomic number and physical density.

Journal of applied clinical medical physics·2026
Same author

Human-in-the-loop validation of a sequential multi-LLM medical education pipeline.

NPJ digital medicine·2026
Same author

Risk stratification for repeat prostate biopsy: PI-RADS 3 lesions and the differential role of PSA density.

Prostate international·2026
Same author

An algorithm to calculate physical density of biomedical objects having 3 ≤ Z<sub>eff</sub> ≤ 20: an application study using clinical photon-counting computed tomography equipment.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine·2026
Same author

VGLL-fused intraparenchymal schwannoma with EWSR1::VGLL1 fusion: integrated clinicopathological and molecular characterization.

Acta neuropathologica communications·2026
Same author

Feasibility and psychometric evaluation of large language model-generated radiology learning materials for board examination preparation: a prospective pilot study.

BMC medical education·2026

Related Experiment Video

Updated: May 9, 2025

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
08:30

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

14.3K

Potential for Radiation Dose Reduction in Temporal Bone CT Imaging Using Photon-Counting Detector CT.

Fumiyo Higaki1, Yusuke Morimitsu2, Toshihiro Iguchi3

  • 1Department of Radiology, Okayama University Hospital.

Acta Medica Okayama
|April 30, 2025
PubMed
Summary

Radiation dose for pediatric temporal bone CT scans can be reduced by approximately 50% without compromising diagnostic image quality. This study demonstrates acceptable imaging using porcine ossicles and a photon-counting detector CT system.

Keywords:
computed tomographyear ossicleenergy-integrating detector computed tomographyphoton-counting detector computed tomography

More Related Videos

Computed Tomography-guided Time-domain Diffuse Fluorescence Tomography in Small Animals for Localization of Cancer Biomarkers
12:24

Computed Tomography-guided Time-domain Diffuse Fluorescence Tomography in Small Animals for Localization of Cancer Biomarkers

Published on: July 17, 2012

12.3K
Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera
06:28

Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera

Published on: January 30, 2020

12.4K

Related Experiment Videos

Last Updated: May 9, 2025

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
08:30

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

14.3K
Computed Tomography-guided Time-domain Diffuse Fluorescence Tomography in Small Animals for Localization of Cancer Biomarkers
12:24

Computed Tomography-guided Time-domain Diffuse Fluorescence Tomography in Small Animals for Localization of Cancer Biomarkers

Published on: July 17, 2012

12.3K
Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera
06:28

Visualization of Low-Level Gamma Radiation Sources Using a Low-Cost, High-Sensitivity, Omnidirectional Compton Camera

Published on: January 30, 2020

12.4K

Area of Science:

  • Medical Imaging
  • Radiology
  • Otolaryngology

Background:

  • Temporal bone computed tomography (CT) is essential for diagnosing pediatric ear diseases.
  • While CT technology advances improve image quality, minimizing radiation exposure is crucial for pediatric patients.
  • Photon-counting detector CT offers potential for dose reduction in CT imaging.

Purpose of the Study:

  • To evaluate the feasibility of reducing radiation dose in temporal bone CT examinations.
  • To determine the minimum acceptable radiation dose for diagnostic quality images using porcine models.
  • To assess the impact of radiation dose reduction on image noise and diagnostic quality.

Main Methods:

  • Utilized porcine ear ossicles and a photon-counting detector CT system for imaging.
  • Performed bilateral temporal bone CT scans on three pig cadaver heads at progressively reduced radiation doses (seven decrements from recommended dose).
  • Assessed image quality via radiologist scoring (scale 1-5) and measured image noise (standard deviation).

Main Results:

  • Image noise increased and visual assessment scores decreased as radiation dose was reduced.
  • Acceptable image quality (scores ≥4.5) was maintained at radiation doses down to three-sevenths of the recommended dose.
  • This indicates a potential radiation dose reduction of approximately 50% for acceptable temporal bone CT imaging.

Conclusions:

  • Acceptable diagnostic image quality in temporal bone CT can be achieved with significant radiation dose reduction.
  • Photon-counting detector CT technology shows promise for dose optimization in pediatric ear imaging.
  • Further research may validate these findings in clinical pediatric populations, enabling safer diagnostic practices.