Types of radiation - Intravenous Radiation

Hi Tammy, The traditional modalities used for treatment in oncology are undergoing much change. Radiation is generally considered a local therapy, delivered via an external beam (similar to focusing a flashlight on the area for treatment) or by brachytherapy (similar to placing a patch loaded with a radioactive source direct on the site of interest). Improvements in biotechnology have allowed the creation of immunoconjugates. These are like mermaids (which are half women and half fish) in which one half is an antibody and the other half is a radioactive source. The antibody will match an epitope (you can think of this as a signature that is predominantly seen on the tumor surface) and by attaching itself there – the radioactive payload performs the delivery of treatment. Hence, these agents are delivered through the blood. There are at least 2 agents which are already in use- both of them in lymphoma. There are other agents which are being developed based on old concepts of photodynamic therapy. An agent is delivered through the blood in an inactive state. It become active only after exposure to certain wavelengths of light. The area with cancer will subsequently be exposed to the light so that the blood-borne agent performs its work. What kind of cancer does she have? If you can find some more details about the treatment, I may be able to give you more specifics. Stay positive.

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