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

Quantitative analysis of a vascular tree model with the dynamic spatial reconstructor.

M Block, Y H Liu, L D Harris

    Journal of Computer Assisted Tomography
    |June 1, 1984
    PubMed
    Summary

    Computed tomography (CT) using the dynamic spatial reconstructor (DSR) accurately images pulmonary artery anatomy. This imaging technique can detect vessels as small as 2 mm and precisely quantify their structure, showing high correlation with direct measurements.

    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

    Initial results from a prototype whole-body photon-counting computed tomography system.

    Proceedings of SPIE--the International Society for Optical Engineering·2015
    Same author

    Quantitative 3D micro-CT imaging of human lung tissue.

    RoFo : Fortschritte auf dem Gebiete der Rontgenstrahlen und der Nuklearmedizin·2013
    Same author

    Phase-imaging ion-cyclotron-resonance measurements for short-lived nuclides.

    Physical review letters·2013
    Same author

    Direct mapping of nuclear shell effects in the heaviest elements.

    Science (New York, N.Y.)·2012
    Same author

    [Chronic heart failure with reduced ejection fraction: standard treatment and new therapeutic options].

    MMW Fortschritte der Medizin·2012
    Same author

    Loss of mucosal CD103+ DCs and IL-17+ and IL-22+ lymphocytes is associated with mucosal damage in SIV infection.

    Mucosal immunology·2012

    Area of Science:

    • Medical Imaging
    • Radiology
    • Anatomical Imaging

    Background:

    • Accurate three-dimensional imaging of vascular networks is crucial for diagnosis and treatment planning.
    • Computed tomography (CT) offers potential for detailed anatomical visualization, but its accuracy in complex vascular structures requires evaluation.

    Purpose of the Study:

    • To evaluate the accuracy of the dynamic spatial reconstructor (DSR), a volumetric CT scanner, in determining the three-dimensional anatomy of a pulmonary artery vessel network.
    • To assess the DSR's capability in quantifying vessel size, branching angles, and segment lengths.

    Main Methods:

    • A glass model of a pulmonary artery was scanned using the DSR, simulating physiological conditions with varying roentgen attenuation coefficients for contrast medium, chest wall, and lung parenchyma.

    Related Experiment Videos

  • Scans were performed to achieve maximum transaxial or axial resolution, varying the number of angles of view and slice thickness.
  • Retrospective gating was simulated to reconstruct images from scan apertures.

    • Main Results:

    • The DSR successfully detected "vessels" down to 2 mm in diameter and allowed for their structural quantification.
    • Quantitative analysis showed high correlation coefficients (greater than 0.99) between DSR estimates and direct measurements for cross-sectional area, branching angles, and segment length.
    • Regression analysis indicated no significant difference between DSR estimates and actual measurements (p greater than 0.05).

    Conclusions:

    • The dynamic spatial reconstructor (DSR) demonstrates high accuracy in reconstructing and quantifying the three-dimensional anatomy of pulmonary artery models.
    • The DSR's ability to accurately measure vessel dimensions and parameters suggests its potential utility in clinical applications for vascular imaging.