FORTRAN CODE FOR GLANDULAR DOSE CALCULATION IN MAMMOGRAPHY USING SOBOL-WU PARAMETERS

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MOULAVI A.A.

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Journal: TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ) Year:2007 | Volume:65 | Issue:3 Page(s): 13-16

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Title

FORTRAN CODE FOR GLANDULAR DOSE CALCULATION IN MAMMOGRAPHY USING SOBOL-WU PARAMETERS

Author(s)

MOULAVI A.A. | Issue Writer Certificate

Keywords

FORTRAN CODEQ3

GLANDULAR DOSEQ3

MAMMOGRAPHYQ3

SOBOL-WU PARAMETERSQ3

Abstract

Background: Accurate computation of the radiation dose to the breast is essential to MAMMOGRAPHY. Various the thicknesses of breast, the composition of the breast tissue and other variables affect the optimal breast dose. Furthermore, the glandular fraction, which refers to the composition of the breasts, as partitioned between radiation-sensitive glandular tissue and the adipose tissue, also has an effect on this calculation. Fatty or fibrous breasts would have a lower value for the glandular fraction than dense breasts.Breast tissue composed of half glandular and half adipose tissue would have a glandular fraction in between that of fatty and dense breasts. Therefore, the use of a computational code for average GLANDULAR DOSE calculation in MAMMOGRAPHY is a more effective means of estimating the dose of radiation, and is accurate and fast.Methods: In the present work, the Sobol-Wu beam quality parameters are used to write a FORTRAN CODE for GLANDULAR DOSE calculation in molybdenum anode-molybdenum filter (Mo-Mo), molybdenum anode-rhodium filter (Mo-Rh) and rhodium anode-rhodium filter (Rh-Rh) target-filter combinations in mammograms. The input parameters of code are: tube voltage in kV, half-value layer (HVL) of the incident x-ray spectrum in mm, breast thickness in cm (d), and glandular tissue fraction (g).Results: The average GLANDULAR DOSE (AGD) variation against the voltage of the mammogram X-ray tube for d = 4 cm, HVL = 0.34 mm Al and g=0.5 for the three filter target combinations, as well as its variation against the glandular fraction of breast tissue for kV=25, HVL=0.34, and d=4 cm has been calculated. The results related to the average glandular absorbed dose variation against HVL for kV = 28, d=4 cm and g= 0.6 are also presented. The results of this code are in good agreement with those previously reported in the literature.Conclusion: The code developed in this study calculates the GLANDULAR DOSE quickly, and it is complete and accurate. Furthermore, it is user friendly and useful for dose optimizing in MAMMOGRAPHY imaging.

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APA: Copy

MOULAVI, A.A.. (2007). FORTRAN CODE FOR GLANDULAR DOSE CALCULATION IN MAMMOGRAPHY USING SOBOL-WU PARAMETERS. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), 65(3), 13-16. SID. https://sid.ir/paper/38598/en

Vancouver: Copy

MOULAVI A.A.. FORTRAN CODE FOR GLANDULAR DOSE CALCULATION IN MAMMOGRAPHY USING SOBOL-WU PARAMETERS. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)[Internet]. 2007;65(3):13-16. Available from: https://sid.ir/paper/38598/en

IEEE: Copy

A.A. MOULAVI, “FORTRAN CODE FOR GLANDULAR DOSE CALCULATION IN MAMMOGRAPHY USING SOBOL-WU PARAMETERS,” TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), vol. 65, no. 3, pp. 13–16, 2007, [Online]. Available: https://sid.ir/paper/38598/en

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