TY  - JOUR
TT  - Assessment of MCNPX Monte Carlo Code for Absorbed Dose Calculations in Mammogarphy Examination
AU  - Tekin, Huseyin Ozan
AU  - Mesbahi, Asghar
AU  - Singh, Viswanath P.
AU  - Kara, Umit
AU  - Manici, Tugba
AU  - Altunsoy, Elif Ebru
PY  - 2017
DA  - April
JF  - Afyon Kocatepe Üniversitesi Fen Ve Mühendislik Bilimleri Dergisi
PB  - Afyon Kocatepe University
WT  - DergiPark
SN  - 2149-3367
SP  - 48
EP  - 55
VL  - 17
IS  - 1
LA  - en
KW  - Mammography
KW  - Average Glandular Dose
KW  - Monte Carlo Method
N2  - Introduction: This study aimed to investigate capabities of MCNPX monte carlo code for calculationsof average absorbed dose in a breast phantom during mammography examination. Also, the effect oftube voltage and breast thickness on absorbed dose was determined by using Monte carlo method.Materials & Methods: In this study, the average absorbed dose values were investigated by usingMCNPX (version 2.4.0) Monte Carlo code. Validation of modeled simulation setup has been obtainedby calculating the HVL values of Al attenuator material for different tube voltage (26 to 32 kV ).Obtained HVL values were found to be comparable with experimental results and available MonteCarlo results. Thus, validated simulation setup has been used for investigation of average absorbeddose in a %50-%50 grandular-adipose breast phantom. Results: Our calculated results was consistentwith the previous studies and our MC model was validated. The results showed that changing tubevoltage from 26 to 32 kV leads to about 4 times increase in breast dose. While increasing breast thickness from 2 to 5 cm results in 1.6 times higer dose to breast. Conclusion: It can concluded that thebreast recieved dose depends strongly beam quality and breast thickness. Our modeling using MCNPXcan be used future dosimteric studies concering breast dose investigations in mamograpgyexaminations.
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UR  - https://dergipark.org.tr/en/pub/akufemubid/article/515920
L1  - https://dergipark.org.tr/en/download/article-file/631420
ER  -