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Lung SBRT Options

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Page 1
Q1 w
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Which immobilization system would you purchase today for your Lung SBRT program?

  • Answered: 126
  • Skipped: 16
Created with Highcharts 10.3.30%10%20%30%40%50%60%70%80%90%100%10…
CDR LB-SBRTCIVCO ProLokElekta BodyFix
Qfix
Stradivarius
None
Answer Choices –
Responses –
–
CDR LB-SBRT
4.76%
6
–
CIVCO ProLok
44.44%
56
–
Elekta BodyFix
20.63%
26
–
Qfix Stradivarius
13.49%
17
–
None
16.67%
21
TOTAL126
Comments(22)
Page 2
Q2 w
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Which breath control system would you purchase for your Lung SBRT program?

  • Answered: 133
  • Skipped: 9
Created with Highcharts 10.3.30%10%20%30%40%50%60%70%80%90%100%10…
Abdominal
Compression
Plate
Abdominal
Compression
Belt
Active
Breathing
Control
None with
Gating
None without
Gating
Other (please
specify)
Answer Choices –
Responses –
–
Abdominal Compression Plate
30.08%
40
–
Abdominal Compression Belt
18.05%
24
–
Active Breathing Control
4.51%
6
–
None with Gating
14.29%
19
–
None without Gating
15.79%
21
–
Responses
Other (please specify)
17.29%
23
TOTAL133
Page 3
Q3 w
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Which treatment technique would you use for Lung SBRT?

  • Answered: 127
  • Skipped: 15
Created with Highcharts 10.3.30%10%20%30%40%50%60%70%80%90%100%10…
3DCRTIMRTVMAT/RapidArcTomotherapy
Other (please
specify)
Answer Choices –
Responses –
–
3DCRT
14.96%
19
–
IMRT
8.66%
11
–
VMAT/RapidArc
55.12%
70
–
Tomotherapy
1.57%
2
–
Responses
Other (please specify)
19.69%
25
TOTAL127
Page 4
Q4 w

Please add any comments for a facility which is only now starting a Lung SBRT program.

  • Answered: 49
  • Skipped: 93
We always use 6X FFF mode on Varian TrueBeam STX
1/4/2016 05:28 PM
The most critical part is to know what minimum field size you can plan with such that the delivered dose is correct.
1/4/2016 01:32 PM
Get knowledgable about target doses, fractionation, normal tissue dose constraints, and QA.
12/31/2015 02:48 PM
I'm not opposed to using IMRT/VMAT for lung SBRT because the MLC leaves don't have to move very quickly when delivering high dose per fraction, however, interplay effects are always something to look out for. I don't recommend doing IMRT/VMAT for small PTVs < 15-20 cc or targets that give issues with IMRT QA measurement verification. I've found FFF beams to quite useful and help improve dosimetric criteria (I try to use 10 MV FFF for beams that travel > 20 cm of tissue and 6 MV FFF elsewhere). It makes the most sense to me to use FFF beams in 3DCRT planning instead of IMRT/VMAT but I suppose it can be done. I've dealt with this at a couple of places now so I would recommend that whoever is going to plan these cases should attend some type of SBRT training course. I always try to improve my plans and eventually evaluate plan quality by using RTOG criteria (RTOG 0813, 0915, 0631, etc.)
12/30/2015 11:44 PM
Setup and positioning is essential! Make sure you know what is going on and that all staff understand what's happening.
12/30/2015 10:20 PM
Currently use 3DCRT but hope to move to conformal arcs soon (not VMAT!!). I don't believe in using moving leaves on a small moving target.
12/30/2015 10:14 PM
do some actual research instead of making surveys all day
12/30/2015 07:42 PM
Gated CT simulation for target delineation, but patients treated in free breathing
12/30/2015 06:55 PM
recommend a full training from UT southwestern or Univ of colorado
12/30/2015 05:57 PM
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