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has been cited by the following article:

• TITLE: A GATE Simulation Study of the Siemens Biograph DUO PET/CT System

  AUTHORS: Dimitrios Nikolopoulos, Sofia Kottou, Nikolaos Chatzisavvas, Xenophon Argyriou, Emannouel Vlamakis, Panayiotis Yannakopoulos, Anna Louizi

  KEYWORDS: Monte-Carlo; GATE; PET; Siemens Biograph DUO PET/CT

  JOURNAL NAME: Open Journal of Radiology, Vol.3 No.2, June 17, 2013

  ABSTRACT: This is a GATE-simulation study of the Siemens Biograph DUO PET/CT system. It reports effects of changes in the thickness of the employed Lutetium Oxyorthosilicate(LSO) detectors. The PET/CT, a human body phantom and a cylindrical F-18 FDG source were simulated. Validation measurements were conducted. The results indicate that LSO thickness increase degrades spatial resolution, improves relative energy resolution from 9.0% to 11.3% and increases signal-to-noise-ratio from 0.81 to 1.17. Thicker LSO crystals present greater axial sensitivity so as the detection efficiency of PET would be significantly enhanced.