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

Compton scatter with polychromatic sources for lung densitometry.

J A Hanson, W E Moore, M M Figley

    Medical Physics
    |September 1, 1984
    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

    The immune response to a fungus in pancreatic cancer samples.

    bioRxiv : the preprint server for biology·2023
    Same author

    Complete Genome Sequence of SMBL-WEM22, a Halotolerant Strain of Kosakonia cowanii Isolated from Hong Kong Seawater.

    Microbiology resource announcements·2021
    Same author

    Navajo Neurohepatopathy : A Case Report and Literature Review Emphasizing Clinicopathologic Diagnosis.

    Acta gastro-enterologica Belgica·2017
    Same author

    RADIOLOGY.

    A listing of research in the cardiovascular field·2014
    Same author

    Hypnosis in a system of therapy for stutterers.

    The Journal of speech disorders·2010
    Same author

    Redundancy of the influenza A virus-specific cytotoxic T lymphocyte response in HLA-B*2705 transgenic mice limits the impact of a mutation in the immunodominant NP(383-391) epitope on influenza pathogenesis.

    Virus research·2010
    Same journal

    Correction to "On the shape of the radiation survival curve in tumor spheroids: The role of oxygen heterogeneity".

    Medical physics·2026
    Same journal

    Multi-view constrained semi-supervised vertebra detection for 3D ultrasound spine volume.

    Medical physics·2026
    Same journal

    Accuracy of quantitative <sup>177</sup>Lu SPECT/CT imaging: A systematic review.

    Medical physics·2026
    Same journal

    Physics-constrained dual-domain network for CBCT reconstruction from orthogonal X-rays in gynecologic radiotherapy.

    Medical physics·2026
    Same journal

    Decomposition-based harmonization for quantitative PET imaging across scanners and radiotracers.

    Medical physics·2026
    Same journal

    Development and evaluation of an in vivo dose-based monitoring system for electron FLASH radiation therapy.

    Medical physics·2026
    See all related articles

    A new mobile lung densitometer offers rapid, precise in vivo density measurements. This device enables dynamic lung monitoring in clinical settings, improving patient care.

    Area of Science:

    • Medical Imaging
    • Biophysics
    • Radiological Instrumentation

    Background:

    • Accurate in vivo lung density measurement is crucial for diagnosing and monitoring respiratory conditions.
    • Existing methods for lung densitometry may be limited in speed, portability, or accuracy.
    • Dynamic assessment of lung density can provide valuable physiological insights.

    Purpose of the Study:

    • To describe a novel mobile lung densitometer.
    • To evaluate the device's measurement speed, precision, and accuracy.
    • To assess the feasibility of dynamic in vivo lung densitometry.

    Main Methods:

    • Development of a mobile densitometer utilizing conventional X-ray tubes and NaI detectors.
    • Application of two-source, two-detector Compton scattered densitometry principles.

    Related Experiment Videos

  • Validation using an anthropomorphic phantom with replaceable lung inserts for in vivo accuracy assessment.

    • Main Results:

    • The device achieves 1-2 density measurements per second from a 45-cm3 volume with 5% precision.
    • In vivo accuracy was determined to be 2%-3% using an anthropomorphic phantom.
    • A small, predictable density-dependent error due to multiple scattered X-rays was identified and characterized.

    Conclusions:

    • The developed mobile lung densitometer provides rapid and precise in vivo density measurements.
    • The device demonstrates high accuracy, suitable for clinical applications.
    • This technology facilitates dynamic in vivo lung densitometry in clinical laboratories and intensive care units.