Intra-operative radiotherapy with the Xoft Axxent® in Brachytherapy

               Intra-operative radiotherapy with the Xoft Axxent® in Brachytherapy

Procedures for patients who received intra-operative radiotherapy with the Xoft Axxent® eBx® delivery system. (a) The eBX system consists of a balloon applicator, a 50-kV source, and a mobile, highly portable controller unit that can be easily transported to any treatment room or standard operating room. (b) The chest wall shield was placed temporarily into the cavity for the duration of radiation treatment to protect the underlying heart, ribs, and lungs from scattered radiation. (c) A balloon-like cavity evaluation device was then placed through a lateral stab wound incision or directly into the wound and filled to a desired volume of 30-75 cc, based on the radiation treatment plan. (d) Once the cavity volume was determined, an appropriate size of eBX balloon was opened up and inserted into the cavity. Multiple retention-type sutures were used to maintain the balloon-to-tissue apposition and to temporarily close the lumpectomy cavity around the balloon. (e) Balloon-to-tissue conformity was assessed by interloper

                                                                 

Treatment approach in Xoft Brachytherapy:

In Xoft Brachytherapy, there are primarily two treatment approaches available: the cylinder treatment approach and the 3-channel treatment approach. These approaches allow for precise and targeted radiation delivery to the tumor site. The choice between the two approaches depends on various factors, including the tumor characteristics, location, and individual patient considerations.

Cylinder Treatment Approach: This approach involves using a specialized cylinder that is customized to fit the specific dimensions and shape of the tumor. The cylinder is inserted into the tumor site, and the miniaturized X-ray source is then placed inside the cylinder to deliver radiation directly to the tumor.

3-Channel Treatment Approach: This approach utilizes three separate catheters or channels that are inserted into the tumor site. The catheters are carefully positioned, and the miniaturized X-ray source is inserted into each channel. This allows for increased treatment flexibility and radiation delivery to the tumor through multiple channels.

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