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Advances in the Use of Computed Tomography
Marilyn J. Siegel, MD;
Ronald G. Evens, MD
JAMA. 1999;281:1252-1254.
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INTRODUCTION
The utility of computed tomography (CT) in clinical practice continues to grow, related in large part to advancements in technology. In 1997, more than 27 million CT scaning procedures were performed in the United States, with the number of studies increasing at a rate of 10% per year.1 With the introduction of helical technology (eg, a continuous spiral motion of the gantry—the frame that houses the rotating x-ray tube), the list of accepted indications for CT imaging has substantially increased, particularly in the evaluation of acute thoracic and abdominal conditions. Helical technology is relatively easy to perform and is widely available in primary and tertiary care settings. We report selected advances in CT imaging that are proving clinically useful in a general medical practice.
Helical CT of the Thorax
Pulmonary embolism (PE) remains a major clinical diagnostic problem (Figure 1). The annual incidence of PE . . . [Full Text of this Article]
Helical CT of the Abdomen
Applications of 3-Dimensional CT Imaging
Innovations in Helical CT
Advantages of Helical CT
Author Affiliation: Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, Mo.
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Electron Beam Computed Tomography to Detect Coronary Artery Disease
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