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

Computed tomographic lung density in children.

P Vock1, D Malanowski, H Tschaeppeler

  • 1Department of Radiology, University Hospital, Bern, Switzerland.

Investigative Radiology
|August 1, 1987
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

Evaluation of OMNIgene<sup>®</sup>•SPUTUM reagent for mycobacterial culture.

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease·2018
Same author

Incident air kerma to absorbed organ dose conversion factors for breast and lung in PA thorax radiography: The effect of patient thickness and radiation quality.

Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB)·2016
Same author

Archives of gynecology and obstetrics·2016
Same author

Protective embolization of the gastroduodenal artery with a one-HydroCoil technique in radioembolization procedures.

Cardiovascular and interventional radiology·2012
Same author

Clinical routine implantation of a dual chamber pacemaker system designed for safe use with MRI: a single center, retrospective study on lead performance of Medtronic lead 5086MRI in comparison to Medtronic leads 4592-53 and 4092-58.

Herzschrittmachertherapie & Elektrophysiologie·2011
Same author

A dual micro-CT system for small animal imaging.

Proceedings of SPIE--the International Society for Optical Engineering·2011
Same journal

3D Freehand Ultrasound Imaging of Optic Nerve Sheath.

Investigative radiology·2026
Same journal

Iodinated Contrast Media Hypersensitivity in 115,966 Patients: Risk Factors, Severity Profiles, and the Impact of Iodine Concentration on Reaction Risk.

Investigative radiology·2026
Same journal

Improvement of Lung Nodule Volumetric Accuracy with Photon-counting Computed Tomography Over Energy-integrating Computed Tomography in Low-dose Screening: A Phantom Study.

Investigative radiology·2026
Same journal

Photon-counting CT in Anterior Cervical Discectomy and Fusion: Improved Metal Artifact Reduction and Impact on Bone Fusion Assessment.

Investigative radiology·2026
Same journal

Quantitative Synthetic MRI in Body Imaging: Technical Basis, Current Applications, and Future Directions.

Investigative radiology·2026
Same journal

Nonclinical Safety Assessment of Digadoglucitol, a Novel Magnetic Resonance Imaging Contrast Agent for the Central Nervous System.

Investigative radiology·2026
See all related articles

Pulmonary density in children varies with age and respiration. Mean lung density (MLD) decreases with age and inspiration, with anteroposterior gradients present at maximal expiration.

Area of Science:

  • Medical Imaging
  • Pediatric Radiology
  • Pulmonary Function

Background:

  • Pulmonary density assessment is crucial in pediatric imaging.
  • Factors influencing lung density require detailed analysis for accurate interpretation.

Purpose of the Study:

  • To investigate the impact of patient age, anatomical location, anteroposterior position, and respiratory phase on pulmonary density in children.
  • To establish reference values for mean lung density (MLD) in pediatric populations.

Main Methods:

  • Retrospective analysis of 33 children and prospective analysis of 13 children.
  • Density standards used for scanner calibration.
  • Analysis of lung density at apical, subcarinal, and basal levels during varying respiratory phases.

Related Experiment Videos

Main Results:

  • MLD in cooperative children (>7 years) was -792 HU (95% range, -702–882 HU).
  • MLD decreased with increasing age, with a significant linear regression in the prospective subgroup.
  • MLD decreased by 158 HU from maximal expiration to maximal inspiration.
  • Anteroposterior density gradients were observed, increasing with expiration.

Conclusions:

  • Patient age and respiratory phase significantly affect pulmonary density in children.
  • Establishing age- and respiration-specific density standards is important for pediatric lung imaging.
  • Findings provide valuable data for the interpretation of chest imaging in pediatric patients.