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Table 2 Parameters used in XIO NTCP tool

From: Radiotherapy of large target volumes in Hodgkin's lymphoma: normal tissue sparing capability of forward IMRT versus conventional techniques

Organ

Size factor

(n)

Slope

(m)

TD5/5

(Gy)

TD50/5

(Gy)

End Point

Lung

0.87

0.18

 

24.5

Pneumonities

Heart

0.35

0.10

40

 

Pericardities

Spinal cord

0.05

0.175

47

 

Myelities/necrosis

Thyroid

0.22

0.26

45

 

Thyroidities

  1. Abbreviations: TD5/5 = tolerance dose leading to 5% complication rates at 5 years, TD50/5 = tolerance dose leading to 50% complication rates at 5 years.
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Radiation Oncology

ISSN: 1748-717X

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