EVALUATING ACCURACY OF TREATMENT PLANNING SYSTEM ALGORITHMS USING MONTE CARLO SIMULATION IN HETEROGENEOUSITY OF LUNG

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HASANI MOHSEN; MOHAMMADI KHEIROLLAH; GHASEMI SORAYA; NABAVI MANSOOREH

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Journal: Jundishapur Scientific Medical Journal Year:2016 | Volume:15 | Issue:2 Page(s): 241-251

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Title

EVALUATING ACCURACY OF TREATMENT PLANNING SYSTEM ALGORITHMS USING MONTE CARLO SIMULATION IN HETEROGENEOUSITY OF LUNG

Author(s)

HASANI MOHSEN | MOHAMMADI KHEIROLLAH | GHASEMI SORAYA | NABAVI MANSOOREH | Issue Writer Certificate

Keywords

MONTE CARLOQ2

CT2MCNPQ1

TPSQ1

DOSE CALCULATING ALGORITHMQ1

Abstract

Background and Objectives: The difference of calculated dose by treatment planning system (TPS) and real dose distribution in patient body is related to calculating algorithms of TPS, and this difference is more evident in heterogeneous tissues like lung. In this study dose distribution was calculated by two algorithms of Isogray TPS and compared to dose distribution calculated by MONTE CARLO simulation in water and lung.Subjects and Methods: In this study, the percentage depth dose (PDD) curves resulting from different algorithms of Isogray TPS were compared by data from simulation in homogeneous water tissue. The difference between dose distribution calculated by Isogray TPS algorithm and CT2MCNP program were obtained and accuracy of mentioned algorithm were evaluated in lung.Results: The difference between simulation results and results of TPS algorithms including collapsed cone, Fast Fourier Transform (FFT) convolution and superposition in heterogeneous lung tissue was calculated 5%, 6% and 7%, respectively. In the maximum dose, The obtained difference was 7 % with the same algorithms. no significant differences in the water between simulation results and results of TPS algorithms were observed. and the difference was obtained less than 1%.Conclusion: In clinical treatment, there was significant difference in dose calculation by TPS algorithm in heterogeneous lung tissue. But this difference was negligible in homogeneous tissues.

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APA: Copy

HASANI, MOHSEN, MOHAMMADI, KHEIROLLAH, GHASEMI, SORAYA, & NABAVI, MANSOOREH. (2016). EVALUATING ACCURACY OF TREATMENT PLANNING SYSTEM ALGORITHMS USING MONTE CARLO SIMULATION IN HETEROGENEOUSITY OF LUNG. JUNDISHAPUR SCIENTIFIC MEDICAL JOURNAL, 15(2), 241-251. SID. https://sid.ir/paper/12469/en

Vancouver: Copy

HASANI MOHSEN, MOHAMMADI KHEIROLLAH, GHASEMI SORAYA, NABAVI MANSOOREH. EVALUATING ACCURACY OF TREATMENT PLANNING SYSTEM ALGORITHMS USING MONTE CARLO SIMULATION IN HETEROGENEOUSITY OF LUNG. JUNDISHAPUR SCIENTIFIC MEDICAL JOURNAL[Internet]. 2016;15(2):241-251. Available from: https://sid.ir/paper/12469/en

IEEE: Copy

MOHSEN HASANI, KHEIROLLAH MOHAMMADI, SORAYA GHASEMI, and MANSOOREH NABAVI, “EVALUATING ACCURACY OF TREATMENT PLANNING SYSTEM ALGORITHMS USING MONTE CARLO SIMULATION IN HETEROGENEOUSITY OF LUNG,” JUNDISHAPUR SCIENTIFIC MEDICAL JOURNAL, vol. 15, no. 2, pp. 241–251, 2016, [Online]. Available: https://sid.ir/paper/12469/en

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