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Investigation of the possibility of improving spatial resolution in SPECT with the combination of LaBr3:Ce-based detector and 3D-OSEM reconstruction algorithms

Research output: Contribution to journalArticlepeer-review

Khalid S. Alzimami, Salem A. Sassi, Abdulrahman A. Alfuraih, Lefteris Livieratos, Nicholas M. Spyrou

Original languageEnglish
Pages (from-to)S289-S291
Number of pages3
JournalNuclear Instruments & Methods In Physics Research Section A, Accelerators, Spectrometers, Detectors And Associated Equipment
Volume633
Issue numberS1
DOIs
PublishedMay 2011

King's Authors

Abstract

This study investigates the potential of improving spatial resolution in SPECT imaging using a combination of LaBr3:Ce detectors and 3D-OSEM image reconstruction algorithms. Potential spatial resolution improvement was assessed intrinsically and extrinsically using GATE Monte Carlo simulation. Significantly improved MTF of LaBr3:Ce detectors suggests better resolution performance at all spatial frequencies. In comparison to conventional Nal(Tl) scintillators, a combination of the LaBr3:Ce crystal and 3D-OSEM incorporating resolution recovery could significantly improve the extrinsic spatial resolution of SPECT images. (C) 2010 Elsevier B.V. All rights reserved.

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