Cart (Loading....) | Create Account
Close category search window
 

Design study of future 3-D PET systems

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

3 Author(s)
Dahlbom, M. ; Dept. of Molecular & Med. Pharm., California Univ., Los Angeles, CA, USA ; Eriksson, L. ; Wienhard, K.

Current detector technology based on BGO block-detectors is capable of achieving an intrinsic resolution of 3-4 mm. In order to fully utilize this high resolution, 3-D acquisition techniques are necessary resulting in an improved sensitivity of 6-7, compared to 2D technology. However, dead time problems start to get severe at administered doses 3-5 times lower than previously met in 2-D. In this work, the trade-off between the sensitivity increase given in 3-D at different system geometries and the noise increase due to system count rate limitations and random coincidences is studied, Based on Monte Carlo simulations, the amount of true, scatter and random coincidences have been estimated within a wide range of geometries. With a simple dead time model for the data collection system we have investigated if an optimized geometry can be found for brain function studies. The optimization is, as expected, not unique but is strongly dependent on the administered amount of activity as well as the choice of the dead time parameters

Published in:

Nuclear Science Symposium and Medical Imaging Conference, 1994., 1994 IEEE Conference Record  (Volume:4 )

Date of Conference:

30 Oct-5 Nov 1994

Need Help?


IEEE Advancing Technology for Humanity About IEEE Xplore | Contact | Help | Terms of Use | Nondiscrimination Policy | Site Map | Privacy & Opting Out of Cookies

A not-for-profit organization, IEEE is the world's largest professional association for the advancement of technology.
© Copyright 2014 IEEE - All rights reserved. Use of this web site signifies your agreement to the terms and conditions.