Why Skin eBx?
The Xoft® Electronic Brachytherapy (eBx®) System® enables the clinician to administer surface brachytherapy without the use of a radioactive isotope or a megavoltage linear accelerator, making surface treatments more accessible at locations where no vault exists and eliminating treatment delays by expanding access to radiation therapy.
eBx simplifies the surface radiation process with improved targeting of the tumor site using a direct contact applicator and a flexible clamp. The lightweight surface applicator (less than 150g) can be precisely oriented to the desired location on the patient (target lesion). With the reduced shielding requirement of eBx, the physician can remain near the patient. Furthermore, faster dose fall-off of the low-energy miniaturized X-ray source minimizes exposure to healthy adjacent tissues.
Compared to electron beam therapy, the Xoft System surface brachytherapy system allows a more precise set-up with continuous monitoring, which might allow smaller margins with smaller treatment fields, potentially leading to fewer treatments of higher doses with similar cosmetic results. The delivered field with the Xoft System source has sharp fall-off edges (the 80–20 penumbral transition width is under 3 mm versus 10–12 mm of MeV electrons)1, which allows field sizes as small as 1 cm in diameter. The applicator has been designed to deliver homogenous dose over 90% of the target area. With the ability to plan the field accurately within 1 mm of the desired treatment site, a smaller area can be used to deliver the treatment dose. A target area between 1 cm and 5 cm in diameter over a range of treatments allows for optimal dose application. With the combination of ease of placement, precision of dose delivery and small applicator size, almost any externally accessible area on the body can be treated (for example buccal mucosa of the oral cavity)2.
Treating with eBx
eBx is administered under the direction of a supervising physician. In cooperation with the dermatologist, the radiation oncologist will determine the amount of radiation needed and the physicist will ensure that the radiation is delivered as prescribed. eBx can be delivered on an outpatient basis in a room with reduced shielding requirements. Treatment regimen and prescription depend on tumor size, type, depth, patient age, prior treatments and other criteria. During radiation therapy, the surface applicator is connected to the Xoft System Controller. A miniaturized X-ray source is placed in the applicator and energized to deliver radiation for a few minutes. At the completion of the treatment, the X-ray source is turned off.
Xoft SMART Skin eBx
The Xoft Streamlined Module for Advanced Radiation Therapy (SMART) platform is an adaptive, patient-centric solution to improve workflow efficiency, flexibility, safety and security of a skin electronic brachytherapy (eBx) program. Learn more about SMART Skin eBx.
The Xoft SMART platform offers clinical practices an automated and efficient method for managing operational aspects of a Xoft Skin eBx program. This comprehensive platform provides all members of the care team with a collaborative environment in which to manage patient workflow.
The easy-to-use, flexible design of the SMART platform may be customized into any clinical practice. This unique, end-to end subscription provides practices with the next generation of hardware and software designed to facilitate unprecedented clinical collaboration and unparalleled quality of care – all from the market leader in electronic brachytherapy.
To learn more about SMART skin eBx, contact us.
Xoft Skin eBx assists practices with the services necessary to successfully implement a skin eBx program, including:
Xoft is committed to providing our customers with industry leading customer service and support. Our professional services organization guides each practice through the program development process from beginning to end, including:
To learn more about SMART skin eBx, contact us.
Facts About Skin Indications
One in six Americans develops skin cancer at some point with over a million cases annually in the U.S.3,4 Most patients are diagnosed with non-melanoma skin cancer (NMSC) with basal cell carcinoma being the most common in 80% and squamous cell carcinoma representing 20%. The majority of lesions are located on sun-exposed areas like face, backs of hands and neck. According to the NCCN guidelines5 radiation therapy is a treatment option for primary NMSC treatment or secondary in case of positive margins post-surgical. Keloid scarring is another indication that is most suitable for surface brachytherapy. Surgical excision of keloid formation is usually only effective 20–50% of the time with surgery alone. With combined surgery and radiation therapy, the treatment is successful over 80% of the time.6
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