ISODOSE 2D DETERMINING IN WATER PHANTOM REGULAR AND IRREGULAR FILEDS IN RADIATION THERAPY FOR CACULATION MODULATED DOSE

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TAHMASEBI BIRAGANI MOHAMAD JAVAD; CHEGENI NAHID; ZABIHZADEH MANSUR; ARVANDI SHOLE; RAZMJOO GHALAEE SASAN; SEIF FATEMEH

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Journal: Jentashapir Journal of Cellular and Molecular Biology Year:2013 | Volume:4 | Issue:3 Page(s): 203-215

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Title

ISODOSE 2D DETERMINING IN WATER PHANTOM REGULAR AND IRREGULAR FILEDS IN RADIATION THERAPY FOR CACULATION MODULATED DOSE

Author(s)

Keywords

DOSE DISTRIBUTIONQ3

EQUIVALENT FIELDQ3

ASYMMETRIC FIELDQ3

IRREGULAR FIELDQ3

TREATMENT PLANNINGQ3

Abstract

Background: The DOSE DISTRIBUTION plays an importance role in the commercial TREATMENT PLANNING algorithm; therefore, a patient-independent model is needed to calculate the modulated profile.Methods: A general formula has been proposed to calculate the profiles for any field shape in the wedged and non-wedged, blocked and non-blocked fields under symmetry and asymmetry photon beam conditions. Percentage depth doses (PDDs) are measured for a large number of square fields for both energies, and 45o wedge. Accessing the accuracy of the model for profile prediction, several measurements were carried out for some special treatment fields.Results: Comparison between measurements and calculation showed that using the g-index in the range of 3% error in the low dose gradient region and a 3mm isodose shift in the penumbra region.Conclusion: This analytical approach provides a general fast and accurate algorithm to calculate DOSE DISTRIBUTION for any treatment field in conventional radiotherapy.

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APA: Copy

TAHMASEBI BIRAGANI, MOHAMAD JAVAD, CHEGENI, NAHID, ZABIHZADEH, MANSUR, ARVANDI, SHOLE, RAZMJOO GHALAEE, SASAN, & SEIF, FATEMEH. (2013). ISODOSE 2D DETERMINING IN WATER PHANTOM REGULAR AND IRREGULAR FILEDS IN RADIATION THERAPY FOR CACULATION MODULATED DOSE. JENTASHAPIR JOURNAL OF CELLULAR AND MOLECULAR BIOLOGY (JENTASHAPIR JOURNAL OF HEALTH RESEARCH), 4(3), 203-215. SID. https://sid.ir/paper/205714/en

Vancouver: Copy

TAHMASEBI BIRAGANI MOHAMAD JAVAD, CHEGENI NAHID, ZABIHZADEH MANSUR, ARVANDI SHOLE, RAZMJOO GHALAEE SASAN, SEIF FATEMEH. ISODOSE 2D DETERMINING IN WATER PHANTOM REGULAR AND IRREGULAR FILEDS IN RADIATION THERAPY FOR CACULATION MODULATED DOSE. JENTASHAPIR JOURNAL OF CELLULAR AND MOLECULAR BIOLOGY (JENTASHAPIR JOURNAL OF HEALTH RESEARCH)[Internet]. 2013;4(3):203-215. Available from: https://sid.ir/paper/205714/en

IEEE: Copy

MOHAMAD JAVAD TAHMASEBI BIRAGANI, NAHID CHEGENI, MANSUR ZABIHZADEH, SHOLE ARVANDI, SASAN RAZMJOO GHALAEE, and FATEMEH SEIF, “ISODOSE 2D DETERMINING IN WATER PHANTOM REGULAR AND IRREGULAR FILEDS IN RADIATION THERAPY FOR CACULATION MODULATED DOSE,” JENTASHAPIR JOURNAL OF CELLULAR AND MOLECULAR BIOLOGY (JENTASHAPIR JOURNAL OF HEALTH RESEARCH), vol. 4, no. 3, pp. 203–215, 2013, [Online]. Available: https://sid.ir/paper/205714/en

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