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Effect of varying number of OSEM subsets on PET lesion detectability.

Authors
  • Morey, A Michael
  • Kadrmas, Dan J
Type
Published Article
Journal
Journal of Nuclear Medicine Technology
Publisher
Society of Nuclear Medicine
Publication Date
Dec 01, 2013
Volume
41
Issue
4
Pages
268–273
Identifiers
DOI: 10.2967/jnmt.113.131904
PMID: 24221921
Source
Medline
Keywords
License
Unknown

Abstract

PET lesion-detection performance is degraded when OSEM is used with a large number of subsets. This loss of image quality can be controlled using a moderate number of subsets (e.g., 12-14 or fewer), retaining a large degree of acceleration while maintaining high image quality. The use of more aggressive subsetting can result in image quality degradations that offset the benefits of using TOF or longer scan times.

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