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Korean J Radiol. 2012 Jan-Feb;13(1):1-11. doi: 10.3348/kjr.2012.13.1.1. Epub 2011 Dec 23.

CT radiation dose optimization and estimation: an update for radiologists.

Author information

  • Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736, Korea. hwgoo@amc.seoul.kr

Abstract

In keeping with the increasing utilization of CT examinations, the greater concern about radiation hazards from examinations has been addressed. In this regard, CT radiation dose optimization has been given a great deal of attention by radiologists, referring physicians, technologists, and physicists. Dose-saving strategies are continuously evolving in terms of imaging techniques as well as dose management. Consequently, regular updates of this issue are necessary especially for radiologists who play a pivotal role in this activity. This review article will provide an update on how we can optimize CT dose in order to maximize the benefit-to-risk ratio of this clinically useful diagnostic imaging method.

KEYWORDS:

CT radiation dose; Low dose CT; MDCT; Radiation dose reduction

PMID:
22247630
[PubMed - indexed for MEDLINE]
PMCID:
PMC3253393
Free PMC Article
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