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 Experiment Videos

Image quality and dose in computed tomography

A G Jurik1, K A Jessen, J Hansen

  • 1Department of Radiology, Municipal Hospital, University Hospital of Aarhus, Noerrebrogade 44, DK-8000 Aarhus C, Denmark.

European Radiology
|January 1, 1997
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Effect of monotherapy with conventional synthetic disease-modifying anti-rheumatic drugs or glucocorticoids on radiographic progression in rheumatoid arthritis: a network meta-analysis of 64 treatment arms from 31 randomized controlled trials.

Scandinavian journal of rheumatology·2026
Same author

Soluble programmed cell death-1 is increased in axial spondyloarthritis and present at the local site of pathology.

Scandinavian journal of rheumatology·2026
Same author

Standardized reporting and quantification of whole-body MRI findings in children with chronic non-bacterial osteomyelitis treated with pamidronate.

Pediatric rheumatology online journal·2022
Same author

Does SAPHO syndrome exist in dermatology?

Journal of the European Academy of Dermatology and Venereology : JEADV·2022
Same author

Effect of initiating biologics compared to intensifying conventional DMARDs on clinical and MRI outcomes in established rheumatoid arthritis patients in clinical remission: Secondary analyses of the IMAGINE-RA trial.

Scandinavian journal of rheumatology·2021
Same author

Complement C3d is not associated with axial spondyloarthritis and magnetic resonance imaging changes at the sacroiliac joint.

Scandinavian journal of rheumatology·2021

Optimizing CT radiation dose is crucial for patient safety. This study developed image quality criteria to assess diagnostic performance, finding significant dose variations across CT units without clear image quality benefits at higher doses.

Area of Science:

  • Medical Imaging
  • Radiology
  • Radiation Dosimetry

Background:

  • Computed Tomography (CT) involves significant patient radiation exposure.
  • Optimizing radiation dose while maintaining diagnostic image quality is essential.
  • Standardized methods for measuring CT image quality are lacking.

Purpose of the Study:

  • To define and validate image quality criteria for retroperitoneal and mediastinal CT examinations.
  • To assess the relationship between radiation dose and image quality in clinical CT practice.
  • To investigate variations in radiation dose and their causes across different CT units.

Main Methods:

  • Development of a set of image quality criteria for retroperitoneal and mediastinal spaces.
  • Evaluation of these criteria in 113 retroperitoneal and 68 mediastinal CT examinations across seven CT units.

Related Experiment Videos

  • Correlation analysis between radiation dose (effective dose in milli Sievert) and fulfillment of image quality criteria.

    • Main Results:

    • Most defined image quality criteria were found to be usable for assessment.
    • Significant variations in effective radiation doses were observed (5.1–20.0 mSv for retroperitoneal, 4.4–26.5 mSv for mediastinal exams).
    • A slight correlation between higher radiation dose and better image quality scores was noted for retroperitoneal scans, but not for mediastinal scans.

    Conclusions:

    • The developed criteria can effectively measure diagnostic image quality in CT.
    • Substantial inter-departmental variations in CT radiation dose exist, influenced by examination protocols and scanner differences.
    • Higher radiation doses do not consistently yield improved image quality, particularly for mediastinal examinations, highlighting the need for dose optimization strategies.