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Erschienen in: Strahlentherapie und Onkologie 9/2021

22.07.2021 | Review Article

Incidental axillary dose delivery to axillary lymph node levels I–III by different techniques of whole-breast irradiation: a systematic literature review

verfasst von: Martin Schmitt, Yvan Pin, MD, MSc, Carole Pflumio, MD, MSc, Carole Mathelin, MD, PhD, Xavier Pivot, MD, PhD, Prof. Georges Noel, MD, PhD

Erschienen in: Strahlentherapie und Onkologie | Ausgabe 9/2021

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Abstract

Background and objective

In breast cancer treatment, radiotherapy is an essential component for locoregional management. Axillary recurrence in patients with invasive breast carcinoma remains an issue. The question of whether breast irradiation may unintentionally include levels I, II, and III, and may decrease the risk of axillary recurrence, remains a topic of discussion.

Patients and methods

A literature search was performed in PubMed and the Cochrane Library to identify articles that have published data regarding dose–volume analysis of axillary levels in breast irradiation. The following MESH terms were used: “breast cancer/lymph nodes” AND “radiotherapy dosage.”

Results

Thirteen articles were identified. The irradiation technique, initial dose prescribed to the breast, delineated volumes, and dose received at axillary levels were heterogeneous. The average dose delivered to axilla levels I, II, and III with three-dimensional conformal radiotherapy using standard fields (ST) ranged between 22 and 43.5 Gy, 3 and 35.6 Gy, and 1.0 and 20.5 Gy, respectively. The average doses delivered to axilla levels I, II, and III with three-dimensional conformal radiotherapy using “high tangential” fields (HT) ranged between 38 and 49.7 Gy, 11 and 47.1 Gy, and 5 and 44.7 Gy, respectively. Finally, the average doses delivered to axilla levels I, II, and III using intensity-modulated radiation therapy (IMRT) were between 14.5 and 42.6 Gy, 3.4 and 35 Gy, and 1.2 and 25.5 Gy, respectively.

Conclusion

Our literature review suggests that the incidental dose delivered to the axilla during whole-breast irradiation is heterogenous and dependent on the irradiation technique used. However, whether this observation can be translated into a therapeutic effect is still a matter of debate.
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Metadaten
Titel
Incidental axillary dose delivery to axillary lymph node levels I–III by different techniques of whole-breast irradiation: a systematic literature review
verfasst von
Martin Schmitt
Yvan Pin, MD, MSc
Carole Pflumio, MD, MSc
Carole Mathelin, MD, PhD
Xavier Pivot, MD, PhD
Prof. Georges Noel, MD, PhD
Publikationsdatum
22.07.2021
Verlag
Springer Berlin Heidelberg
Erschienen in
Strahlentherapie und Onkologie / Ausgabe 9/2021
Print ISSN: 0179-7158
Elektronische ISSN: 1439-099X
DOI
https://doi.org/10.1007/s00066-021-01808-y

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