Standardization of whole breast radiotherapy is required for safe omission of axillary lymph node dissection in breast cancer patients

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KONG M.; Shin D.O.

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Journal Paper

Paper Information

Journal: International Journal of Radiation Research Year:2017 | Volume:15 | Issue:3 Page(s): 267-273

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Information Journal Paper

Title

Standardization of whole breast radiotherapy is required for safe omission of axillary lymph node dissection in breast cancer patients

Author(s)

KONG M. | Shin D.O. | Issue Writer Certificate

Keywords

Breast

carcinoma

lymph nodes

radiotherapy

Abstract

Background: The purpose of this study was to assess the dose distribu on and coverage of level I-II axillary lymph nodes during whole Breast tangen al field radiotherapy (RT) a er Breast-conserving surgery in pa ents with Breast cancer. Materials and Methods: The level I-II axillary lymph node volumes were retrospec vely contoured by a single radia on oncologist based on computed tomography simula on data from 44 pa ents who underwent Breast-conserving surgery without axillary dissec on and who received postopera ve whole Breast RT between January and December 2014. The dose distribu ons of the whole Breast tangen al RT fields were reassessed in rela on to the axillary level I and II lymph node volumes. Results: : The average doses delivered to level I and I axillary lymph nodes were 49. 4% (range, 14. 2– 94. 6) and 30. 8% (range, 2. 6– 71. 5) of the prescribed radia on dose, respec vely. The volumes receiving at least 95% of the prescribed radia on dose were 12. 7% (range, 0– 67. 4%) for level I and 1. 4% (range, 0– 7. 7%) for level II nodes. Compared to thin pa ents, the average doses delivered to axillary lymph node levels I and II were significantly higher in overweight pa ents. Conclusion: The radia on dose coverage of axillary lymph nodes by whole Breast tangen al RT varies greatly among pa ents. To safely omit axillary lymph node dissec on from the treatment of clinically axillary lymph node nega ve T1-2 Breast cancer pa ents with 1– 2 posi ve sen nel lymph nodes, standardiza on and individualiza on of whole Breast RT are necessary.

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APA: Copy

KONG, M., & Shin, D.O.. (2017). Standardization of whole breast radiotherapy is required for safe omission of axillary lymph node dissection in breast cancer patients. INTERNATIONAL JOURNAL OF RADIATION RESEARCH, 15(3), 267-273. SID. https://sid.ir/paper/286875/en

Vancouver: Copy

KONG M., Shin D.O.. Standardization of whole breast radiotherapy is required for safe omission of axillary lymph node dissection in breast cancer patients. INTERNATIONAL JOURNAL OF RADIATION RESEARCH[Internet]. 2017;15(3):267-273. Available from: https://sid.ir/paper/286875/en

IEEE: Copy

M. KONG, and D.O. Shin, “Standardization of whole breast radiotherapy is required for safe omission of axillary lymph node dissection in breast cancer patients,” INTERNATIONAL JOURNAL OF RADIATION RESEARCH, vol. 15, no. 3, pp. 267–273, 2017, [Online]. Available: https://sid.ir/paper/286875/en

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