مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

APPLICATOR ATTENUATION EFFECT ON DOSE CALCULATIONS OF ESOPHAGEAL HIGH-DOSE RATE BRACHYTHERAPY USING EDR2 FILM

Pages

  19-24

Abstract

 Introduction Interaluminal BRACHYTHERAPY is one of the important methods of esophageal cancer treatment. The effect of applicator attenuation is not considered in dose calculation method released by AAPM-TG43. In this study, the effect of High-Dose Rate (HDR) BRACHYTHERAPY esophageal applicator on dose distribution was surveyed in HDR BRACHYTHERAPY.Materials and Methods A cylindrical PMMA phantom was built in order to be inserted by various sizes of esophageal applicators.EDR2 films were placed at 33 mm from Ir-192 source and irradiated with 1.5 Gy after planning using treatment planning system for all applicators.Results The results of FILM DOSIMETRY in reference point for 6, 8, 10, and 20 mm applicators were 1.54, 1.53, 1.48, and 1.50 Gy, respectively. The difference between practical and treatment planning system results was 0.023 Gy (<2.7%), on average.Conclusion Due to the similar practical results for different esophageal applicators, it can be concluded that attenuation properties of applicator wall doesn' t have a significant difference with water and therefore the Flexiplan treatment planning system accuracy is further confirmed.

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    APA: Copy

    HOSSEINI DAGHIGH, SEYED MOHSEN, MAHDAVI, SEIED RABI, AGHAMIRI, SEYED MAHMOOD, JABERI, RAMIN, BAGHANI, HAMIDREZA, EIDI, RAMEZAN, & BOROGHANI, ELHAM. (2012). APPLICATOR ATTENUATION EFFECT ON DOSE CALCULATIONS OF ESOPHAGEAL HIGH-DOSE RATE BRACHYTHERAPY USING EDR2 FILM. IRANIAN JOURNAL OF MEDICAL PHYSICS, 8(1), 19-24. SID. https://sid.ir/paper/682884/en

    Vancouver: Copy

    HOSSEINI DAGHIGH SEYED MOHSEN, MAHDAVI SEIED RABI, AGHAMIRI SEYED MAHMOOD, JABERI RAMIN, BAGHANI HAMIDREZA, EIDI RAMEZAN, BOROGHANI ELHAM. APPLICATOR ATTENUATION EFFECT ON DOSE CALCULATIONS OF ESOPHAGEAL HIGH-DOSE RATE BRACHYTHERAPY USING EDR2 FILM. IRANIAN JOURNAL OF MEDICAL PHYSICS[Internet]. 2012;8(1):19-24. Available from: https://sid.ir/paper/682884/en

    IEEE: Copy

    SEYED MOHSEN HOSSEINI DAGHIGH, SEIED RABI MAHDAVI, SEYED MAHMOOD AGHAMIRI, RAMIN JABERI, HAMIDREZA BAGHANI, RAMEZAN EIDI, and ELHAM BOROGHANI, “APPLICATOR ATTENUATION EFFECT ON DOSE CALCULATIONS OF ESOPHAGEAL HIGH-DOSE RATE BRACHYTHERAPY USING EDR2 FILM,” IRANIAN JOURNAL OF MEDICAL PHYSICS, vol. 8, no. 1, pp. 19–24, 2012, [Online]. Available: https://sid.ir/paper/682884/en

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