COMPUTED TOMOGRAPHY SEERAM PDF

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This Directed Reading article describes the physical principles and instrumentation of computed tomography CT and outlines several recent advances in CT technology.

First, the history of CT is presented with emphasis on the contributions of two pioneers who earned the Nobel Prize for the development of the first clinically useful CT scanner. Second, the essential physical principles-most notably radiation attenuation, Lambert-Beer's Law-and the calculation of CT numbers using attenuation data are described. The third major topic will focus on CT technology, including a description of the major system components, the evolution of CT data acquisition systems, image reconstruction fundamentals and common digital image postprocessing operations such as windowing and three-dimensional 3D techniques.

The limitations of conventional CT are first presented and provide a motivation for the development of volume CT scanners. Data acquisition, including detector technology and slip-ring technology, is reviewed, followed by a description of image reconstruction basics for multislice CT MSCT scanning.

The final section of this reading reviews the elements of MSCT applications, such as 3D imaging, virtual reality imaging and the basics of cardiac CT imaging. The article concludes with an introduction of the use of CT in other areas, such as radiation therapy and nuclear medicine.

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Similar articles The evolution and state-of-the-art principles of multislice computed tomography. Kohl G. Proc Am Thorac Soc. PMID: Review.

General principles of MDCT. Prokop M. Eur J Radiol. Principles of CT: multislice CT. Goldman LW. J Nucl Med Technol. Epub May PMID: Seeram E, Seeram D. Seeram E, et al. J Med Imaging Radiat Sci. Epub Mar Image quality and radiation dose comparison of prospectively triggered low-dose CCTA: slice dual-source high-pitch spiral versus slice single-source sequential acquisition. Ghadri JR, et al.

Int J Cardiovasc Imaging. Epub Jul Show more similar articles See all similar articles. Ghasemi Shayan R, et al. Radiol Res Pract. Effects of image distortion and Hounsfield unit variations on radiation treatment plans: An extended field-of-view reconstruction in a large bore CT scanner.

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ADAB UL MUFRAD PDF

Computed Tomography

This Directed Reading article describes the physical principles and instrumentation of computed tomography CT and outlines several recent advances in CT technology. First, the history of CT is presented with emphasis on the contributions of two pioneers who earned the Nobel Prize for the development of the first clinically useful CT scanner. Second, the essential physical principles-most notably radiation attenuation, Lambert-Beer's Law-and the calculation of CT numbers using attenuation data are described. The third major topic will focus on CT technology, including a description of the major system components, the evolution of CT data acquisition systems, image reconstruction fundamentals and common digital image postprocessing operations such as windowing and three-dimensional 3D techniques.

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Computed Tomography: Physical Principles, Clinical Applications, and Quality Control

Written to meet the varied requirements of radiography students and practitioners, this two-color text provides comprehensive coverage of the physical principles of CT and its clinical applications. Its clear, straightforward approach is designed to improve your understanding of sectional anatomic images as they relate to CT — and facilitate communication between CT technologists and other medical personnel. We are always looking for ways to improve customer experience on Elsevier. We would like to ask you for a moment of your time to fill in a short questionnaire, at the end of your visit.

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Computed Tomography: Physical Principles and Recent Technical Advances

Radiologic technologists play an important role in the care and management of patients undergoing advanced imaging procedures. This new edition provides the up-to-date information and thorough coverage you need to understand the physical principles of computed tomography CT and safely produce high-quality images. We are always looking for ways to improve customer experience on Elsevier. We would like to ask you for a moment of your time to fill in a short questionnaire, at the end of your visit. If you decide to participate, a new browser tab will open so you can complete the survey after you have completed your visit to this website. Thanks in advance for your time. Skip to content.

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