سامانه مدیریت نشریات علمی دانشگاه علوم پزشکی مشهد

Islamian, Jalil Pirayesh, Bahreyni Toossi, Mohammad Taghi, Momennezhad, Mehdi, Naseri, Shahrokh, Ljungberg, Michael. (1391). Simulation of a Quality Control Jaszczak Phantom with SIMIND Monte Carlo and Adding the Phantom as an Accessory to the Program. , 9(2), 135-140. doi: 10.22038/ijmp.2012.319
Jalil Pirayesh Islamian; Mohammad Taghi Bahreyni Toossi; Mehdi Momennezhad; Shahrokh Naseri; Michael Ljungberg. "Simulation of a Quality Control Jaszczak Phantom with SIMIND Monte Carlo and Adding the Phantom as an Accessory to the Program". , 9, 2, 1391, 135-140. doi: 10.22038/ijmp.2012.319
Islamian, Jalil Pirayesh, Bahreyni Toossi, Mohammad Taghi, Momennezhad, Mehdi, Naseri, Shahrokh, Ljungberg, Michael. (1391). 'Simulation of a Quality Control Jaszczak Phantom with SIMIND Monte Carlo and Adding the Phantom as an Accessory to the Program', , 9(2), pp. 135-140. doi: 10.22038/ijmp.2012.319
Islamian, Jalil Pirayesh, Bahreyni Toossi, Mohammad Taghi, Momennezhad, Mehdi, Naseri, Shahrokh, Ljungberg, Michael. Simulation of a Quality Control Jaszczak Phantom with SIMIND Monte Carlo and Adding the Phantom as an Accessory to the Program. , 1391; 9(2): 135-140. doi: 10.22038/ijmp.2012.319

Simulation of a Quality Control Jaszczak Phantom with SIMIND Monte Carlo and Adding the Phantom as an Accessory to the Program

Iranian Journal of Medical Physics
مقاله 7، دوره 9، شماره 2، شهریور 2012، صفحه 135-140    اصل مقاله (208.63 K)
نوع مقاله: Original Paper
شناسه دیجیتال (DOI): 10.22038/ijmp.2012.319
نویسندگان
Jalil Pirayesh Islamian* 1؛ Mohammad Taghi Bahreyni Toossi2؛ Mehdi Momennezhad3؛ Shahrokh Naseri2؛ Michael Ljungberg4
1Department of Medical Physics, Tabriz University of Medical Sciences, Tabriz, Iran.
2Department of Medical Physics, Mashhad University of Medical Sciences, Mashhad, Iran.
3Department of Nuclear Medicine, Imam Reza Center of Medical Education and Treatment, Mashhad, Iran.
4Medical Radiation Physics Department, Clinical Sciences - Lund, Lund University, Lund, Sweden.
چکیده
Introduction
Quality control is an important phenomenon in nuclear medicine imaging. A Jaszczak SPECT Phantom provides consistent performance information for any SPECT or PET system. This article describes the simulation of a Jaszczak phantom and creating an executable phantom file for comparing assessment of SPECT cameras using SIMIND Monte Carlo simulation program which is well-established for SPECT.
Materials and Methods
The simulation was based on a Deluxe model of Jaszczak Phantom with defined geometry. Quality control tests were provided together with initial imaging example and suggested use for the assessment of parameters such as spatial resolution, limits of lesion detection, and contrast comparing with a Siemens E.Cam SPECT system.
Results
The phantom simulation was verified by matching tomographic spatial resolution, image contrast, and also uniformity compared with the experiment SPECT of the phantom from filtered backprojection reconstructed images of the spheres and rods. The calculated contrasts of the rods were 0.774, 0.627, 0.575, 0.372, 0.191, and 0.132 for an experiment with the rods diameters of 31.8, 25.4, 19.1, 15.9, 12.7, and 9.5 mm, respectively. The calculated contrasts of simulated rods were 0.661, 0.527, 0.487, 0.400, 0.23, and 0.2 for cold rods and also 0.92, 0.91, 0.88, 0.81, 0.76, and 0.56 for hot rods. Reconstructed spatial tomographic resolution of both experiment and simulated SPECTs of the phantom obtained about 9.5 mm. An executable phantom file and an input phantom file were created for the SIMIND Monte Carlo program.
Conclusion
This phantom may be used for simulated SPECT systems and would be ideal for verification of the simulated systems with real ones by comparing the results of quality control and image evaluation. It is also envisaged that this phantom could be used with a range of radionuclide doses in simulation situations such as cold, hot, and background uptakes for the assessment of detection characteristics when a new similar clinical SPECT procedure is being simulated.
کلیدواژه‌ها
Jaszczak Phantom؛ Quality Control؛ SIMIND Monte Carlo؛ SPECT
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