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

Hepatic perfusion abnormalities during CT angiography: detection and interpretation.

P C Freeny, W M Marks

    Radiology
    |June 1, 1986
    PubMed
    Summary

    Computed tomographic angiography (CTA) of the liver identified perfusion abnormalities in 17 of 50 patients, primarily associated with liver tumors. These findings aid in differentiating tumor from other hepatic perfusion issues.

    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 Atlanta Classification of acute pancreatitis revisited.

    The British journal of surgery·2007
    Same author

    Significance of hyperattenuating and contrast-enhancing hepatic nodules detected in the cirrhotic liver during arterial phase helical CT in pre-liver transplant patients: radiologic-histopathologic correlation of explanted livers.

    Abdominal imaging·2003
    Same author

    Pancreatic carcinoma: what is the best imaging test?

    Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]·2002
    Same author

    Pancreatic carcinoma: imaging update 2001.

    Digestive diseases (Basel, Switzerland)·2001
    Same author

    Safety and efficacy of mangafodipir trisodium (MnDPDP) injection for hepatic MRI in adults: results of the U.S. multicenter phase III clinical trials (safety).

    Journal of magnetic resonance imaging : JMRI·2000
    Same author

    Pancreaticoduodenal arcades and dorsal pancreatic artery: comparison of CT angiography with three-dimensional volume rendering, maximum intensity projection, and shaded-surface display.

    AJR. American journal of roentgenology·1999

    Area of Science:

    • Radiology
    • Hepatology
    • Medical Imaging

    Background:

    • Liver tumors frequently cause alterations in hepatic blood flow.
    • Computed tomographic angiography (CTA) is a key imaging modality for evaluating liver vasculature.
    • Understanding perfusion abnormalities is crucial for accurate liver lesion characterization.

    Purpose of the Study:

    • To characterize perfusion abnormalities detected by CTA in patients with liver tumors.
    • To identify the causes and patterns of hepatic perfusion abnormalities.
    • To assess the utility of CTA in differentiating perfusion abnormalities from primary or metastatic liver tumors.

    Main Methods:

    • Retrospective analysis of 50 patients undergoing liver CTA.
    • Identification and classification of perfusion abnormalities (lobar, segmental, subsegmental; hypo- vs. hyperperfusion).

    Related Experiment Videos

  • Correlation of perfusion abnormalities with tumor characteristics and other imaging findings.

    • Main Results:

    • Twenty-seven perfusion abnormalities were found in 17 patients, predominantly in those with liver tumors.
    • Common causes included replaced hepatic artery nonperfusion, tumor-induced hemodynamic changes, and cirrhosis.
    • Both hypoperfusion and hyperperfusion abnormalities were observed.

    Conclusions:

    • CTA effectively detects hepatic perfusion abnormalities, often linked to liver tumors.
    • Morphological analysis, delayed imaging, and comparison with other studies aid in differentiating perfusion abnormalities from tumors.
    • CTA provides valuable insights into the hemodynamic impact of liver tumors and other conditions.