Document Detail


[Variation in the quality of CT images of the upper abdomen when CT automatic exposure control is employed].
MedLine Citation:
PMID:  20379058     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The aim of this study was to analyze the reason for variation of image quality in the upper abdomen CT with the use of CT-AEC. The CT investigated was 3D modulation in the 16MDCT and LSCT phantom was used to simulate the patient. When there was a phase difference, an image noise increase of around 15% at the maximum was accepted. It is concluded that the major reason for variation in image quality is respiratory motion and the importance of respiration control must be recognized.
Authors:
Isao Aizawa; Yoshihisa Muramatsu; Keiichi Nomura; Fuminori Shimizu
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Publication Detail:
Type:  English Abstract; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Nihon Hoshasen Gijutsu Gakkai zasshi     Volume:  66     ISSN:  0369-4305     ISO Abbreviation:  Nihon Hoshasen Gijutsu Gakkai Zasshi     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-04-09     Completed Date:  2010-05-04     Revised Date:  2011-07-28    
Medline Journal Info:
Nlm Unique ID:  7505722     Medline TA:  Nihon Hoshasen Gijutsu Gakkai Zasshi     Country:  Japan    
Other Details:
Languages:  jpn     Pagination:  185-92     Citation Subset:  IM    
Affiliation:
Department of Radiology, National Nagano Hospital.
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MeSH Terms
Descriptor/Qualifier:
Aged
Female
Humans
Male
Middle Aged
Phantoms, Imaging
Radiography, Abdominal / methods*
Respiratory Physiological Phenomena
Tomography, X-Ray Computed / instrumentation*,  methods

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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