SBRT2015

Tolerance of OARs

1 fx (RTOG 0915)

3 fx (RTOG 0618 / 1021)

5 fx (RTOG 0815)

8 fx Haasbeck et al. 2011)

Organ at risk

105% *

D max

44 Gy

D max

Trachea and large bronchus

20.2 Gy

D max

30 Gy

D max

18 Gy < 5cc **

---

D max 22 Gy 16 Gy < 15cc 15.4 Gy 11.9 Gy < 5cc 17.5 Gy 14 Gy < 3cc 30 Gy 22 Gy < 1cc 14 Gy 10 Gy < 0.35cc D max D max D max D max

D max

30 Gy

D max 105% * 32 Gy < 15cc

Heart

---

---

D max 25.2 Gy 17.7 G< 5cc 24 Gy 20.4 Gy < 3cc --- 30 Gy < 30cc 60 Gy < 3 cc D max

D max 105% * 27.5 Gy < 5cc **

D max

40 Gy

Esophagus

---

D max 32 Gy 30 Gy < 3cc --- 30 Gy < 30cc 60 Gy < 3 cc

D max

36 Gy

Brachial plexus

---

Chest wall

---

D max

18 Gy (RTOG 0236) D max

30 Gy 22.5 Gy <0.25cc

---

Spinal cord

Guckenberger Strahlentherapie 2013

 Extrapolation from experiences in conventionally fractionated RT  Lack of validation

/ Matthias Guckenberger - DEGRO 2015

29.08.2015

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