Patient Specific Quality Assurance for IMRT and VMAT
Patient Specific Quality Assurance for IMRT and VMAT
Patient Specific Quality Assurance for IMRT and VMAT
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
<strong>Patient</strong> <strong>Specific</strong> <strong>Quality</strong> <strong>Assurance</strong> <strong>for</strong> <strong>IMRT</strong> <strong>and</strong> <strong>VMAT</strong><br />
Page: 1
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Outline<br />
Page: 2
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Background<br />
Page: 3
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Complex Treatment Modalities<br />
Page: 4
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
<strong>IMRT</strong><br />
Page: 5
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
<strong>VMAT</strong><br />
Page: 6
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
<strong>VMAT</strong>/<strong>IMRT</strong> Prostate<br />
Page: 7
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Precision Treatment Delivery<br />
Page: 8
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Imaging Devices<br />
Page: 9
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Immobilization/Support Devices<br />
Page: 10
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Immobilization/Support Devices<br />
Page: 11
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
<strong>VMAT</strong><br />
Page: 12
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Effect of Immobilization/Support Devices<br />
Page: 13
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Skin Reaction<br />
Page: 14
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Grade-4 Skin Necrosis<br />
Page: 15
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Treatment Plan Comparison<br />
Page: 16
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Outline<br />
Page: 17
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
<strong>Patient</strong> <strong>Specific</strong> QA<br />
Page: 18
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Pre-Treatment QA<br />
Page: 19
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Planar Dose: Gamma Index<br />
Page: 20
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Pre-Treatment QA Procedure: Diode Array<br />
Page: 21
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Diode Array: MapCHECK Device<br />
Page: 22
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
MapCHECK/MapPHAN Phantom on Couch <strong>for</strong> <strong>IMRT</strong><br />
Page: 23
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
MapCHECK in Phantom on Couch <strong>for</strong> <strong>IMRT</strong> QA<br />
Page: 24
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
MapCHECK in Solid Phantom<br />
Page: 25
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
MapCHECK in MapPHAN on Couch <strong>for</strong> <strong>VMAT</strong> QA<br />
Page: 26
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
MapCHECK <strong>for</strong> <strong>VMAT</strong> QA<br />
Page: 27
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
MapCHECK in IMF IMF Approach<br />
Page: 28
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
MapCHECK in IMF At Different Gantry Angles<br />
Page: 29
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
MapCHECK in IMF<br />
Page: 30
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
MapCHECK in IMF <strong>for</strong> <strong>VMAT</strong> QA<br />
Page: 31
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Criteria (3%/3mm) – 100%?<br />
Page: 32
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Criteria (2%/2mm) – 98.9%<br />
Page: 33
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Limitations of MapCHECK Device<br />
Page: 34
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Limitation of MapCHECK: Coarse Spatial Resolution MapCHECK vs. TPS <strong>for</strong> <strong>IMRT</strong> QA<br />
Page: 35
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Pre-Treatment QA Procedure: EBT2 Film<br />
Page: 36
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Film Dosimetry<br />
Page: 37
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Core Technology of Radiochromic Film<br />
Page: 38
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Radiochromic Film Radiographic Film<br />
Page: 39
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
EBT2 <strong>and</strong> EBT Films<br />
Page: 40
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Energy Independence of EBT2 Film Comparing 6X, 15X, 6E, 20E<br />
Page: 41
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Dose Response of EBT & EBT2 Film<br />
Page: 42
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Common Setup <strong>for</strong> <strong>IMRT</strong> QA<br />
Page: 43
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Dosimeter in Phantom on Couch<br />
Page: 44
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
EBT2 Film Dosimetry<br />
Page: 45
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Tips <strong>for</strong> Scanning EBT2/EBT Film <strong>for</strong> <strong>IMRT</strong> <strong>and</strong> <strong>VMAT</strong> QA<br />
Page: 46
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Epson 10000XL Flatbed Scanner<br />
Page: 47
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
EBT2 Film Image w/48 Bit Color Mode<br />
Page: 48
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Absorption Spectra of EBT2 Film<br />
Page: 49
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Absorption Spectra of EBT2 Components<br />
Page: 50
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Data Analysis Method<br />
Page: 51
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Dose Images of <strong>IMRT</strong> Plan<br />
Page: 52
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Isodose Curves Overlay<br />
Page: 53
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
EBT2 Film <strong>for</strong> <strong>IMRT</strong>/SBRT QA<br />
Page: 54
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
<strong>IMRT</strong> QA (Single Field)<br />
Page: 55
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
SBRT Lung Treatment<br />
Page: 56
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Slide 57<br />
Page: 57
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
EBT2 Film in Phantom on Couch <strong>for</strong> <strong>VMAT</strong> QA<br />
Page: 58
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
EBT2 Film <strong>for</strong> <strong>VMAT</strong> QA<br />
Page: 59
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Prostate <strong>VMAT</strong> QA, EBT2 Film<br />
Page: 60
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Nasopharynx <strong>VMAT</strong> QA, EBT Film<br />
Page: 61
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Radiochromic EBT/EBT2 Film<br />
Page: 62
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
On-Treatment, In vivo Monitoring<br />
Page: 63
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
TLD (Thermoluminescent Dosimeter)<br />
Page: 64
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
OSLD (Optically Stimulated Luminescent Dosimeter)<br />
Page: 65
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Diode<br />
Page: 66
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
MOSFET<br />
Page: 67
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
EBT/EBT2 Film<br />
Page: 68
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Post-Treatment Analysis<br />
Page: 69
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Post-Treatment Analysis: DynaLog File<br />
Page: 70
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Post-Treatment Analysis: DLog File<br />
Page: 71
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
3D In-vivo EPID Dosimetry <strong>for</strong> <strong>IMRT</strong> QA<br />
Page: 72
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
3D In-vivo EPID Dosimetry <strong>for</strong> <strong>IMRT</strong> QA<br />
Page: 73
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Skin Dose Measurement<br />
Page: 74
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Studies on Bolus Effect<br />
Page: 75
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
EBT Film Images: Bolus Effect<br />
Page: 76
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Color Wash Dose Display<br />
Page: 77
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Fractional Surface Dose Bolus Effect of IGRT Carbon Fiber Couch Top<br />
Page: 78
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Outline<br />
Page: 79
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Adequacy of Gamma Index?<br />
Page: 80
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Future: CT Volume Reconstruction<br />
Page: 81
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Future: Dose Reconstruction<br />
Page: 82
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Future: Account <strong>for</strong> <strong>Patient</strong> Support in TPS<br />
Page: 83
Chiu-Tsao_afomp_0627-28_2011.ppt<br />
Thank You.<br />
Page: 84
Change language