TDF Calculator for Pc

1. is one of the tool to estimate the normal tissue tolerance dose for radiotherapy, but one of the problem is too complex and too many parameters to calculate.

2. - In practice of radiotherapy, it is very important to check the normal tissue tolerance dose.

3. and is one of the tool to estimate the normal tissue tolerance dose for radiotherapy.

4. - This App can also calculate TDF factors together in three different conditions stated by three items (fraction dose, number of fractions and frequency per week), and the summation of them automatically.

5. - Although we are usually using the BED defined by LQ-model for comparing the treatments recently, we thinks that the TDF factor is also useful tool, using it appropriately.

6. - TDF factors are given 100 as a full tolerance for each tissues, so you can find the numbers as difference among the each tissues effected by fractionation.

7. - This App can calculate 2 type of TDF which are published in 1973 and 1986 by Orton et al.

8. - TDF factors have some limitations such as unsuitable for irradiation with under 4 fractions, therefore you should check carefully the reference literatures before using this App.

9. - Setting either a total dose or a fraction dose, related fraction dose or total dose is calculated respectively, depending on the fractionation times.

10. Orton CG, Cohen L: A unified approach to dose-effect relationships in radiotherapy.

11. Orton CG, Ellis F: A simplification in the use of the NSD concept in practical radiotherapy.

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