CT bronchoscopy: Optimization of imaging parameters

Kenneth D. Hopper, Tunç A. Lyriboz, Rickhesvar P.M. Mahraj, Scott W. Wise, Claudia J. Kasales, Thomas R. TenHave, Ronald P. Wilson, Jill S. Weaver

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

The authors evaluated the relative importance of the following scanning parameters at computed tomographic bronchoscopy in an anesthetized adult sheep's thorax: section thickness (2, 4, 8 mm), pitch (1.0, 1.5, 2.0), milliampere setting (100, 175, 250 mA), and overlap of reconstructed sections (0%, 25%, 50%, 75%). Five blinded readers ranked the images twice in comparison with photographs of the mounted specimen. Differences in image quality were significant (P < .001) with section thickness of 2 mm and a pitch of 1.0. The milliampere setting had only a minor effect on image quality, and a 50% overlap of reconstructed sections was best.

Original languageEnglish (US)
Pages (from-to)872-877
Number of pages6
JournalRadiology
Volume209
Issue number3
DOIs
StatePublished - Dec 1998

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

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