Volume 2, Number 2 (6-2014)                   IJRSM 2014, 2(2): 13-20 | Back to browse issues page


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Shamsaei Zafarghandi M, gholami F, alibeigi E. Study the shielding for PET/CT imaging installations of Shariati hospital of Tehran with Monte Carlo code. IJRSM. 2014; 2 (2) :13-20
URL: http://rsm.kashanu.ac.ir/article-1-74-en.html

Associate Professor Amirkabir University of Technology
Abstract:   (5899 Views)
Nowadays medical imaging systems like PET/CT are widely used in cancer diagnosis. Due to serious and irreversible harms of ionization radiations, protection of all those who are exposed is the main concern of health issues. The main basis of the calculation of the shielding design in the medical imaging systems is that the absorbed dose should not exceed the allowed limit. Using the Monte Carlo N-Particle Transport Code (MCNP), a potential suite for a positron emission tomography/Computed Tomography (PET/CT) facility was designed. The design considers three different areas as required in a PET/CT facility: scanning room, waiting area, and injection room. MCNP-X calculation code is used to ensure that the controlled and uncontrolled areas (with allowed dose of 0.1 mSv/week and 0.02mSv/week, respectively) does not exceed the limits. Since this center accepts four patients every day with mean total activity of 77 mCi, the dose rates are calculated from 2.6E-06 mSv/Week to 9.35E-3 mSv/week. The simulation results revealed that even if this center increase its service to eight patients per day, the dose rates will be from 4.88E-06 mSv/week to 2.81E-02 mSv/week, which is still below the allowed dose rate
     
Type of Study: Applicable | Subject: Special

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