Brag
Brachytherapy
Brachytherapy (pronounced: brak-ee-THER-uh-pee), also known as internal radiation therapy, is a form of radiotherapy where a sealed radiation source is placed inside or next to the area requiring treatment.
Etymology
The term "brachytherapy" comes from the Greek words "brachy" meaning "short distance," and "therapy" meaning "treatment."
Definition
Brachytherapy is a type of radiation therapy used in the treatment of cancer. This procedure allows doctors to deliver higher doses of radiation to more-specific areas of the body, compared with the conventional form of radiation therapy (external beam radiation) that projects radiation from a machine outside of your body.
Procedure
During brachytherapy, radioactive material (seeds) are placed directly into or near the tumor. The seeds may be left in place permanently or only temporarily, depending upon your cancer type.
Types of Brachytherapy
There are two main types of brachytherapy:
- High-dose-rate (HDR) brachytherapy: In HDR brachytherapy, a high-intensity radiation source is delivered to the tumor in a series of treatments.
- Low-dose-rate (LDR) brachytherapy: In LDR brachytherapy, a lower intensity radiation source is left in the body for a longer period of time.
Related Terms
External links
- Medical encyclopedia article on Brag
- Wikipedia's article - Brag
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