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Multidetector Row Computed Tomography -'Principles and Clinical Applications'-

Article information

J Korean Med Assoc. 2003;46(12):1107-1116
Publication date (electronic) : 2003 December 31
doi : https://doi.org/10.5124/jkma.2003.46.12.1107
Kyu Ok Choe, M.D.
Department of Diagnostic Radiology and Research Institute of Radiologic Science, Yonsei University College of Medicine, Severance Hospital, Korea. kochoe@yumc.yonsei.ac.kr

Abstract

The computed tomography (CT) technology has recently leaped with the advent of the multi-detector row technique since the introduction of spiral CT. The most important advantages of multi-detector spiral CT (MD-CT) are its rapid scan speed and the increased z-axis spatial resolution. MD-CT permits selection of high resolution for isometric imaging in any imaging planes, long coverage of study volume, or decreased scan time for clinical purposes and needs. The most widely applied clinical indication of MD-CT is CT angiography. MD-CT makes a dynamic study or multi-phase study easier and more reliable. Combination of isometric imaging in any anatomic planes, CT angiography, multi-phase dynamic study, 2- or 3-dimensional image reconstruction has made radiologic diagnoses more accurate and has provided more useful information for preoperative surgical design and educational purposes. The combined increase of temporal resolution (200 msec) opens the era of cardiac imaging. With its inherent contrast resolution, coronary CT angiogram can reveal atherosclerotic changes of the arterial wall as well as the degree of luminal narrowing. MD-CT has provided new opportunities for medical imaging and will expand rapidly with further clinical applications.

Keywords: CT

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Copyright © 2003 Korean Medical Association

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