PBI: Brachytherapy Techniques
For 110 years, there has been a tradition of treating the entire breast for all breast cancers, regardless of stage or how early they were detected. Sir William Halstead proposed the original hypothesis that the entire organ needed to be treated and that the treatment field must include all possible extensions of the malignancy, including nodal regions. Mastectomy has since given way to lumpectomy. Whole breast radiotherapy may similarly not be necessary for all patients needing post-lumpectomy radiotherapy. Brachytherapy techniques were the first to demonstrate ‘proof of principle’ for accelerated, partial breast irradiation. This chapter provides an overview of accelerated, partial breast irradiation using interstitial brachytherapy, which usually delivers treatment BID over 5 days rather than the 6 to 6 ½ weeks needed for whole breast radiotherapy.
KeywordsBreast Tissue Target Volume Catheter Insertion Pectoralis Major Muscle Interstitial Brachytherapy
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