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Updated: Aug 11, 2026

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
Published on: September 11, 2011
X-ray imaging physics for nuclear medicine technologists. Part 2: X-ray interactions and image formation
J Anthony Seibert1, John M Boone
1Department of Radiology, University of California Davis, Sacramento, California 95817, USA. jaseibert@ucdavis.edu
Abstract:
The purpose is to review in a 4-part series: (i) the basic principles of x-ray production, (ii) x-ray interactions and data capture/conversion, (iii) acquisition/creation of the CT image, and (iv) operational details of a modern multislice CT scanner integrated with a PET scanner. In part 1, the production and characteristics of x-rays were reviewed. In this article, the principles of x-ray interactions and image formation are discussed, in preparation for a general review of CT (part 3) and a more detailed investigation of PET/CT scanners in part 4.
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