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Design, Realization and Implementation of a Novel Phantom for Quality Control of Micro-SPECT/CT and Micro-PET/CT Systems
Laboratory of Biophysics and Medical Technology, Faculty of Medicine, Tunis El Manar University, Tunis, Tunisia
Department of English, Languages Institute of Gabes, Gabes University, Gabes, Tunisia
Department of Imagery and Information Processing, Telecom Bretagne, Brest, France
- 1 Laboratory of Biophysics and Medical Technology, Faculty of Medicine, Tunis El Manar University, Tunis, Tunisia
- 2 Department of English, Languages Institute of Gabes, Gabes University, Gabes, Tunisia
- 3 Department of Imagery and Information Processing, Telecom Bretagne, Brest, France
Journal of Biomedical Science and Engineering·Volume 08 (2015)·Pages 46–55·Published 16 January 2015·DOI10.4236/jbise.2015.81005
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Abstract
The proposed phantom is designed for the quality control of micro-SPECT/CT and micro-PET/CT systems. However, it is an assembly of six patterns stored in a cylindrical box enabling to control both micro-SPECT unit in terms of uniformity, spatial linearity and spatial resolution and micro-CT unit in terms of uniformity, spatial linearity, spatial resolution, diffusion rate, low contrast detectability, Hounsfield unit linearity and slice thickness. The construction material is Plexiglas. As for the implementation, it was made on a micro-SPECT/CT machine of the type “speCZT eXplore CT 120”. Compared to the NEMA NU 4-2008 image quality phantom, this phantom offers micro-CT quality control and is more efficient in control of spatial resolution for micro-SPECT and micro- PET systems.
KeywordsPhantomQuality ControlMicro-SPECT/CTMicro-PET/CT
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