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Mammosite Therapy


 

MammoSite Targeted Radiation Therapy works from the inside, which means that a higher daily dose can be used for shorter periods of time.

Advantages of MammoSite Radiation Therapy

 Treatment with MammoSite Targeted Radiation Therapy for breast cancer can help you get back to your normal life sooner days vs. weeks

 MammoSite radiation therapy places the radiation source inside the lumpectomy cavity (the space left when a tumor is removed). This delivers radiation to the area where cancer is most likely to recur

 Clinical trials for the MammoSite Radiation Therapy show that this type of cancer treatment to be well accepted, with a fewer side effects for a shorter time period

 The Mammosite Radiation Therapy is given on an outpatient basis. No hospital stay is required

 5-year Initial Clinical Trial Results (N=43):

 No local recurrences

 83.3% of the patients had good/excellent cosmetic results

 100% of patients in the initial clinical trial would recommend MammoSite to a friend or family member.

 100% of patients in the initial clinical trial would use MammoSite again if they had to do it over.

How it works

After the breast cancer tumor is removed (lumpectomy), a small, soft MammoSite balloon attached to a thin tube (catheter) is inserted inside the lumpectomy cavity through a small incision in the breast.

 The balloon is “inflated” with saline solution so that it fits securely into the cavity. It stays inflated during the treatment

 A small part of the catheter remains outside the breast; this is protected with a cushioned gauze pad to prevent movement of the catheter

Mammosite Radiation Treatment is carefully calculated by one of our radiation oncologists who will take images of the MammoSite balloon catheter in the breast and determine the amount of radiation needed.

 During therapy, the portion of the catheter that remains outside your breast is connected to a computer-controlled High Dose Rate (HDR) machine that inserts a radiation “seed” to deliver the therapy

 Once therapy is complete, the seed is removed, the catheter is unplugged, and you will be free to return to your normal daily activities

 No radiation remains inside your breast in between treatments

After treatment, your MammoSite balloon catheter will be removed, usually on the last day of treatment. The balloon is gently removed through the same incision made to place it inside the lumpectomy cavity.

What to Expect

Clinical studies of MammoSite Radiation Therapy for breast cancer have shown it to be well accepted, with mild side effects that in general last for a short period of time. Side effects that occurred most often included redness, bruising and breast pain. These side effects did not occur in all patients. These are all common side effects of breast surgery and/or radiation therapy and usually go away after a short time. Occasionally, there is also drainage that occurs from the catheter insertion site, which is normal; this should also dissipate after a short time.

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