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Radiation Dosimetry: Isodose Curves and Plans - Reading Dose Distributions
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Avg score: 71% • Most missed: “Flattening filter in linac affects:”

Isodose curves connect points receiving equal dose in a radiation field. They help visualize dose distribution within patient anatomy.

Worked example:
An 80% isodose line around tumor indicates tumor region receiving 80% of prescribed dose.
 

Radiation Dosimetry: Isodose Curves and Plans - Reading Dose Distributions
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8 Questions

1. Isodose planning helps avoid:
2. Closely spaced isodose lines indicate:
3. A hot spot outside tumor is:
4. Flattening filter in linac affects:
5. An 80% isodose line for 50 Gy prescription equals:
6. An isodose line represents:
7. Central axis depth dose is used to:
8. Beam weighting affects:

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