NDLI: Design simulations of a LSO crystal block detector module for dual PET/SPECT systems

Content Provider	IEEE Xplore Digital Library
Author	Aguiar, Pablo Lois, Cristina Gomez, Faustino Iglesias, Alfredo
Copyright Year	2008
Description	Author affiliation: Grupo de Investigación en Radiofísica, Facultade de Física, Universidade de Santiago de Compostela, Spain (Aguiar, Pablo; Lois, Cristina; Gomez, Faustino; Iglesias, Alfredo)
Abstract	Monte Carlo simulations were carried out in order to guide the choice of crystal block material and thickness for a small FOV PET/SPECT camera. A continuous crystal block of 50mm x 50mm was simulated considering several thickness (8 mm, 16 mm and 32 mm) and two scintillation crystal types(LSO:Ce and NaI:Tl). Detection module parameters like spatial resolution at centre and border of FOV, efficiency and energy resolution were evaluated. Despite there is a common opinion that LSO is a less valuable material for SPECT detection, our findings demonstrate that LSO crystal blocks have interesting design features for the development of an hybrid SPECT and PET system. Our results show that by adequate corrections of non-linearity of a thick crystal block response, a high detection efficiency can be preserved (nearly 80% for PET and 99.9% for SPECT) without compromising high spatial resolution (about 1.9 mm for PET and 1.45 mm for SPECT).
Starting Page	3829
Ending Page	3831
File Size	870686
Page Count	3
File Format	PDF
ISBN	9781424427147
ISSN	10957863
DOI	10.1109/NSSMIC.2008.4774116
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-19
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Positron emission tomography Spatial resolution Crystalline materials Image reconstruction High-resolution imaging Animals Cameras Solid scintillation detectors Image resolution Humans Monte Carlo simulation PET detectors instrumentation
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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