DETERMINATION OF MERCURY ATTENUATION COEFFICIENT FOR MERCURY SHIELDING FOR RADIOTHERAPY PATIENTS

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TAHMASEBI BIRAGANI MOHAMAD JAVAD; SEIF FATEMEH; BAYATIANI MOHAMMAD REZA; CHEGENI NAHID; KHEZERLOO DAVOUD; ZABIHZADEH MANSUR; HOSSEINI MOHAMMAD

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Journal: Jundishapur Scientific Medical Journal Year:2013 | Volume:12 | Issue:3 (84) Page(s): 269-278

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Title

DETERMINATION OF MERCURY ATTENUATION COEFFICIENT FOR MERCURY SHIELDING FOR RADIOTHERAPY PATIENTS

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Keywords

LINEAR ATTENUATION COEFFICIENTQ2

THICKNESS OF ABSORBERQ2

RADIOTHERAPYQ3

Abstract

Background and Objective: The aim of RADIOTHERAPY is deliver enough doses to the tumor and protecting organs at risk that are around the tumor. In order to get appropriate dose distribution one can use radiation modifiers and compensators. So knowing attenuation coefficient of absorbers is necessary for treatment calculations.Materials and Methods: In this study mercury was introduced as suitable material for RADIOTHERAPY shielding. A new method is presented by physics of interaction of photon with matter and complex integration calculation to calculate attenuation coefficient for any material with different thickness and energies.Results: Radiation quality changes with THICKNESS OF ABSORBER and this variation were significant. However, changes in field sizes did not produce any significant variations.Conclusions: Variation of attenuation coefficient with THICKNESS OF ABSORBER cannot be ignored and it is necessary for accurate RADIOTHERAPY treatment. On the other hand using one number as an attenuation coefficient for RADIOTHERAPY compensators or modifiers is not accurate enough and variation of attenuation coefficient with THICKNESS OF ABSORBER must be considered in RADIOTHERAPY treatment planning systems.

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APA: Copy

TAHMASEBI BIRAGANI, MOHAMAD JAVAD, SEIF, FATEMEH, BAYATIANI, MOHAMMAD REZA, CHEGENI, NAHID, KHEZERLOO, DAVOUD, ZABIHZADEH, MANSUR, & HOSSEINI, MOHAMMAD. (2013). DETERMINATION OF MERCURY ATTENUATION COEFFICIENT FOR MERCURY SHIELDING FOR RADIOTHERAPY PATIENTS. JUNDISHAPUR SCIENTIFIC MEDICAL JOURNAL, 12(3 (84)), 269-278. SID. https://sid.ir/paper/12757/en

Vancouver: Copy

TAHMASEBI BIRAGANI MOHAMAD JAVAD, SEIF FATEMEH, BAYATIANI MOHAMMAD REZA, CHEGENI NAHID, KHEZERLOO DAVOUD, ZABIHZADEH MANSUR, HOSSEINI MOHAMMAD. DETERMINATION OF MERCURY ATTENUATION COEFFICIENT FOR MERCURY SHIELDING FOR RADIOTHERAPY PATIENTS. JUNDISHAPUR SCIENTIFIC MEDICAL JOURNAL[Internet]. 2013;12(3 (84)):269-278. Available from: https://sid.ir/paper/12757/en

IEEE: Copy

MOHAMAD JAVAD TAHMASEBI BIRAGANI, FATEMEH SEIF, MOHAMMAD REZA BAYATIANI, NAHID CHEGENI, DAVOUD KHEZERLOO, MANSUR ZABIHZADEH, and MOHAMMAD HOSSEINI, “DETERMINATION OF MERCURY ATTENUATION COEFFICIENT FOR MERCURY SHIELDING FOR RADIOTHERAPY PATIENTS,” JUNDISHAPUR SCIENTIFIC MEDICAL JOURNAL, vol. 12, no. 3 (84), pp. 269–278, 2013, [Online]. Available: https://sid.ir/paper/12757/en

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