Erschienen in:
04.08.2023 | ASO Author Reflections
ASO Author Reflections: A More Effective Radiotherapy Modality for Early Breast Cancer: Intraoperative Radiotherapy as a Tumour Bed Boost Combined with Whole Breast Irradiation
verfasst von:
Jiafa He, MM, Shengying Chen, MM, Rui Xu, MD
Erschienen in:
Annals of Surgical Oncology
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Ausgabe 13/2023
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Excerpt
In recent years, an increasing number of breast cancer centres have introduced intraoperative radiotherapy (IORT) into breast-conserving treatments. Because intraoperative radiotherapy has the advantages of shortening the treatment course, precisely locating the target area, and improving the radiobiological effect on the tumour, thus compensating for the shortcomings of conventional radiotherapy. However, there are limitations to IORT: for example, small area of irradiation, small total dose, short duration, and insufficient evidence. Although the ELIOT study and TARGIT-A study achieved equivocal and noninferiority results, respectively, the long-term, follow-up results continue to show that the local recurrence rate of single IORT is significantly higher than that of conventional radiotherapy.
1‐4 Therefore, the effectiveness of IORT alone remains controversial. …