CPB Ljubljana 2018 course book

Paris system: forecast dosimetry

Pattern

Treated length/active length

Treated thickness /spacing

Lateral margin/spacing

Safety margin/spacing

2 lines

0.7

0.5

0.37

--

≥ 3 lines

0.7

0.6

0.37

--

Squares

0.7

1.55-1.60

--

0.27

Triangles

0.7

1.3

--

0.20

Smallest distance between 2 parallel planes which are tangents to isodose invaginations (central plane)

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