Current Concepts in Multi-Detector Row CT Evaluation of the Coronary Arteries: Principles, Techniques, and Anatomy

Harpreet K. Pannu, Thomas G. Flohr, Frank M. Corl, Elliot K. Fishman

Research output: Contribution to journalReview articlepeer-review

Abstract

Cardiac imaging is becoming a practical application of mechanical computed tomography (CT) with the availability of four, eight, and 16 detector row scanners. The role of imaging is progressing from simple determination of the presence of arterial calcifications on nonenhanced scans to demonstration of vascular stenoses on coronary CT angiograms. Optimization of the imaging technique and knowledge of coronary artery anatomy are both important for the development of CT of the heart. Technical factors such as a slow heart rate, a short scanning time, subcentimeter spatial resolution, high temporal resolution, and reconstruction of multiple image data sets at various intervals in the cardiac cycle result in optimal visualization of the coronary arteries. Axial, thin-slab maximum intensity projection, and volume-rendered images are used to display the normal anatomy and anomalies of the coronary arteries. The challenges of CT angiography of the coronary arteries have been partially met and will likely be overcome with continued evolution of the technology.

Original languageEnglish (US)
Pages (from-to)S111-S125
JournalRadiographics
Volume23
Issue numberSPEC. ISS
StatePublished - Oct 1 2003

Keywords

  • Computed tomography (CT), angiography, 54.12116
  • Computed tomography (CT), multi-detector row, 54.12116
  • Coronary vessels, CT, 54.12116
  • Coronary vessels, stenosis or obstruction, 54.76

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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