Plaque radiotherapy
Plaque Radiotherapy
Plaque radiotherapy (pronunciation: /plak/ /ˌrādēōˈTHerəpē/), also known as brachytherapy, is a form of radiotherapy where a sealed radiation source is placed inside or next to the area requiring treatment.
Etymology
The term "plaque" is derived from the French word for "plate", referring to the flat, disk-like shape of the device used in this treatment. "Radiotherapy" is derived from the Greek words "radius" meaning "ray" and "therapeia" meaning "curing".
Procedure
In plaque radiotherapy, a small, thin plaque made of gold or other material is surgically implanted on the eye. The plaque has tiny radioactive seeds embedded in it. The radiation from these seeds destroys the tumor cells. The plaque is usually left in place for several days and then removed in another surgery.
Related Terms
- Brachytherapy: A type of radiotherapy where a sealed radiation source is placed inside or next to the area requiring treatment.
- Radiotherapy: The treatment of disease, especially cancer, using X-rays or similar forms of radiation.
- Tumor: An abnormal mass of tissue that results when cells divide more than they should or do not die when they should.
- Plaque: In the context of plaque radiotherapy, a small, thin device made of gold or other material that is surgically implanted on the eye.
See Also
External links
- Medical encyclopedia article on Plaque radiotherapy
- Wikipedia's article - Plaque radiotherapy
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