سامانه مدیریت نشریات علمی دانشگاه علوم پزشکی مشهد

Bahreini Toosi, Mohammad Taghi, Soleymanifard, Shokouhozaman, Farkhari, Ashraf, Homaei Shandiz, Fatemeh, Salari, Elahe. (1400). Comparison of Radiotherapy Techniques in Breast Cancer with Inclusion of Internal Mammary Nodes through Thermoluminescent Dosimetry in a RANDO Phantom. , 18(4), 270-277. doi: 10.22038/ijmp.2020.44901.1693
Mohammad Taghi Bahreini Toosi; Shokouhozaman Soleymanifard; Ashraf Farkhari; Fatemeh Homaei Shandiz; Elahe Salari. "Comparison of Radiotherapy Techniques in Breast Cancer with Inclusion of Internal Mammary Nodes through Thermoluminescent Dosimetry in a RANDO Phantom". , 18, 4, 1400, 270-277. doi: 10.22038/ijmp.2020.44901.1693
Bahreini Toosi, Mohammad Taghi, Soleymanifard, Shokouhozaman, Farkhari, Ashraf, Homaei Shandiz, Fatemeh, Salari, Elahe. (1400). 'Comparison of Radiotherapy Techniques in Breast Cancer with Inclusion of Internal Mammary Nodes through Thermoluminescent Dosimetry in a RANDO Phantom', , 18(4), pp. 270-277. doi: 10.22038/ijmp.2020.44901.1693
Bahreini Toosi, Mohammad Taghi, Soleymanifard, Shokouhozaman, Farkhari, Ashraf, Homaei Shandiz, Fatemeh, Salari, Elahe. Comparison of Radiotherapy Techniques in Breast Cancer with Inclusion of Internal Mammary Nodes through Thermoluminescent Dosimetry in a RANDO Phantom. , 1400; 18(4): 270-277. doi: 10.22038/ijmp.2020.44901.1693

Comparison of Radiotherapy Techniques in Breast Cancer with Inclusion of Internal Mammary Nodes through Thermoluminescent Dosimetry in a RANDO Phantom

Iranian Journal of Medical Physics
مقاله 6، دوره 18، شماره 4، مهر و آبان 2021، صفحه 270-277    اصل مقاله (1.43 M)
نوع مقاله: Original Paper
شناسه دیجیتال (DOI): 10.22038/ijmp.2020.44901.1693
نویسندگان
Mohammad Taghi Bahreini Toosi1؛ Shokouhozaman Soleymanifard2؛ Ashraf Farkhari* 1؛ Fatemeh Homaei Shandiz3؛ Elahe Salari4
1Medical Physics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
2Medical Physics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran University of Medical Sciences, Mashhad, Iran
3Cancer Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
4Department of Medical Physics, Reza Radiation Oncology Center, Mashhad, Iran
چکیده
Introduction: In various radiotherapy techniques for breast cancer, the inclusion of internal mammary nodes (IMNs) in the target volume is important for selecting the most appropriate technique. This study aimed to compare three radiotherapy techniques with the inclusion of IMNs regarding the dose homogeneity index (DHI) of regional lymph nodes and the chest wall, besides the dose received by the heart and the left lung.
Material and Methods: Three radiotherapy techniques were planned for CT imaging of the RANDO phantom, including the wide tangent (WT); oblique parasternal photon (OPP); and oblique parasternal electron (OPE) techniques. The doses reaching the contoured organs were compared between the three techniques, using the data gathered from the thermoluminescent dosimetry and treatment planning system.
Results: The OPE technique produced a lower absorbed dose for the left IMNs, compared to the other two techniques. In the OPP technique, the dose received by the left lung was higher than its tolerance, while the lung dose in the OPE technique was slightly lower than the WT technique. The absorbed dose by the heart was the lowest in the WT technique; also, the DHI value was better for this technique than the other two techniques.
Conclusion: The WT technique showed better results regarding the dose homogeneity distribution of IMNs and the chest wall, as well as protection of organs at risk.
کلیدواژه‌ها
Breast Cancer؛ Lymph Nodes؛ Radiotherapy؛ RANDO Phantom؛ Thermoluminescent Dosimetry
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