4. External Beam Radiation Therapy (EBRT)

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7 Terms

1
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What does the acronym EBRT stand for?

External Beam Radiation Therapy

2
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What machine is typically used in external beam radiation therapy (EBRT) to eliminate cancer cells?

Linear accelerator (LINAC)

3
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What is the typical duration of a single daily EBRT treatment?

15 minutes

4
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What are the advantages of External Beam Radiation Therapy (EBRT)?

  1. Localized treatment, not systemic, 2. Quick daily treatments (15 minutes), 3. Can be used with surgery and/or chemo, 4. Less invasive than surgery and usually fewer side effects than chemo


5
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What are the disadvantages of External Beam Radiation Therapy (EBRT)?

  1. Treatment can last for 6 to 7 weeks, 2. Side effects can be localized or systemic, 3. Not appropriate for all cancers


6
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What physical side effect did early radiation treatment units frequently cause on patients?

Skin damage similar to burn victims

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Why do modern radiation therapy units have far greater skin sparing compared to early units?

Greater treatment depth dose associated with higher energy