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Related Experiment Videos

Variable-mode helical CT: imaging protocols

M M Tomiak1, W D Foley, D R Jacobson

  • 1Department of Radiology, University of Chicago Hospitals, IL 60037, USA.

AJR. American Journal of Roentgenology
|June 1, 1995
PubMed
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Helical CT scanning offers fast, precise imaging for vascular and parenchymal enhancement. Protocols like variable-mode helical CT enable extensive anatomical coverage for disease detection.

Area of Science:

  • Radiology
  • Medical Imaging
  • Computed Tomography

Background:

  • Helical CT allows rapid data acquisition with accurate registration during peak vascular and parenchymal enhancement.
  • Standard helical CT covers the z-axis using single or multiple breath-hold acquisitions.

Purpose of the Study:

  • To present helical scanning protocols for enhanced disease detection.
  • To highlight the utility of variable-mode helical CT for extended anatomical coverage.

Main Methods:

  • Developed single-acquisition and variable-mode helical CT scanning protocols.
  • Utilized these protocols for imaging major blood vessels, perivascular tissues, and abdominal viscera.

Main Results:

  • Helical CT provides high-quality, registered 2D datasets during optimal enhancement phases.

Related Experiment Videos

  • Variable-mode helical CT facilitates broad z-axis coverage with a single contrast bolus injection.

    • Conclusions:

    • Helical CT scanning protocols are effective for detecting diseases in major vessels, perivascular spaces, and abdominal organs.
    • Variable-mode helical CT enhances diagnostic capabilities through extended anatomical visualization.