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2.Broadening the therapeutic band width - Cambridge 2016 v1.1 - handout + lecture.pdf
1

Slide Number 1
1

Broadening the therapeutic band width Neil Burnet
2

Slide Number 3
3

Introduction
4

RT is potent and cost-effective
5

Introduction
6

Quality of RT affects outcome
7

Quality of RT affects outcome
8

Quality of RT affects outcome
9

Quality of RT affects outcome
10

Slide Number 11
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Slide Number 12
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Broadening RT band width
13

Broadening RT band width
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Slide Number 15
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Increase the therapeutic ratio
16

Increase the therapeutic ratio
17

Increase the therapeutic ratio
18

Increase the therapeutic ratio
19

Increase the therapeutic ratio
20

Increase the therapeutic ratio
21

Normal tissue toxicities
22

Pelvic Ewing’s sarcoma
23

Normal tissue response
24

Normal tissue response
25

Normal tissue response
26

Normal tissue response
27

Normal tissue response
28

Normal tissue response
29

Slide Number 30
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Image guidance
31

Broadening the band width
32

Broadening the band width
33

Broadening the band width
34

Broadening the band width
35

Broadening the band width
36

Broadening the band width
37

Treatment volumes compared
38

Use the best equipment you can!
39

Ca prostate
40

Ca nasopharynx
41

Ca breast
42

Slide Number 43
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IMRT for chordoma
44

IMRT for chordoma
45

Bandwidth
46

Conclusions
47

Slide Number 48
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3.DoseAlgorithms
49

Slide Number 1
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Slide Number 2
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Acknowledgements
51

Computer-Aided Treatment Planning
52

Dose Calculation Problem
53

Complexity of dose calculation
54

Expectations
55

Dose Calculation Methods
56

Evolution of Photon Beam Dose Algorithms
57

X-Rays: Energy Deposition in a Nutshell
58

Dose Spread Kernel
59

Method: Convolution/Superposition
60

Convolution - Point Kernel
61

Pencil Kernel Integration
62

Pencil beam kernel
63

Pencil beam kernel
64

Breast Tangent Example
65

Total Energy Released per MAss (TERMA)
66

Physics considerations
67

Influence of Head Scatter
68

CT Data to Tissue Properties
69

Images Support Dose Calculations
70

Density Scaling Approximation
71

Calculated Data
72

Electronic Disequilibrium
73

Summary model based & MC approaches
74

Advanced Kernel Methods
75

RPC/RTOG phantom for SBRT
76

A Simple Algorithm Check
77

A Simple Algorithm Check: MU’s
78

Energy Absorbed by an Inhomogeneity
79

Energy Absorbed by an Inhomogeneity
80

Clinical impact of dose calculation
81

Summary – Evolution, not Revolution
82

4.ICRU planning and prescribing - Cambridge 2016 - v1.1 handout + lecture
83

Slide Number 1
83

ICRU guidance on planning and prescribing Neil Burnet
84

Summary
85

The history of radiotherapy
86

ICRU guidance
87

ICRU guidance
88

Prescribing
89

Prescribing
90

Prescribing
91

Prescribing
92

Prescribing
93

Prescribing
94

Prescribing
95

Prescribing
96

Prescribing
97

Prescribing
98

Prescribing
99

Prescribing
100

Prescribing
101

Prescribing
102

Prescribing
103

Lung doses
104

Prescribing
105

Prescribing
106

ICRU guidance
107

Slide Number 26
108

Target volumes
109

Target volumes
110

Summary
111

Target volumes - PTV
112

Target volumes - PTV
113

Slide Number 32
114

Other volumes - TD
115

Other volumes - RVR
116

Target volumes – OARs
117

Target volumes – OARs
118

Target volumes – OARs
119

Target volumes – OARs
120

Target volumes – OARs
121

Target volumes – OARs + PRVs
122

Target volumes – OARs + PRVs
123

Target volumes – OARs + PRVs
124

Target volumes – PRV
125

Target volumes – PRV or optimising structure?
126

Hypothalamus DVHs
127

Hypothalamus DVHs
128

Hypothalamus DVHs
129

Planning dose limits
130

Planning limits
131

Planning constraints
132

Planning constraints
133

Planning constraints
134

Prioritising
135

Slide Number 54
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Objectives and Priorities
137

GBM - IMRT plan DVHs
138

Constraints and Priorities
139

Target volumes – overlaps
140

Target volumes – overlaps
141

Target volumes – overlaps
142

Target volumes – overlaps
143

Target volumes – overlaps
144

Target volumes – overlaps
145

Target volumes – overlaps
146

Take home messages
147

Slide Number 66
148

Slide Number 67
149

ICRU guidance
150

Homogeneity Index
151

Conformity Index
152

Equivalent Uniform Dose - EUD
153

Equivalent Uniform Dose - EUD
154

Equivalent Uniform Dose - EUD
155

TCP, NTCP, PUC
156

Slide Number 75
157

 Tissue architecture
158

Target volumes – PRV
159

Target volumes – PRV
160

Target volumes – PRV
161

5.nonIMRT
162

Slide Number 1
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Slide Number 2
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Slide Number 3
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Slide Number 4
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Slide Number 5
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Slide Number 6
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Slide Number 7
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Slide Number 8
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Slide Number 9
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Slide Number 10
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Slide Number 11
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Slide Number 12
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Slide Number 13
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Slide Number 14
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Slide Number 15
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Slide Number 16
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Slide Number 17
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Slide Number 18
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Slide Number 19
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Slide Number 20
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Slide Number 21
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Slide Number 22
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Slide Number 23
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Slide Number 24
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Slide Number 25
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Slide Number 26
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Slide Number 27
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Slide Number 28
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Slide Number 29
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Slide Number 30
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Slide Number 31
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Slide Number 32
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Slide Number 33
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Slide Number 34
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Slide Number 35
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Slide Number 36
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Slide Number 37
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Slide Number 38
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Slide Number 39
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Slide Number 40
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Slide Number 41
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Slide Number 42
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Slide Number 43
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Slide Number 44
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Slide Number 45
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Slide Number 46
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Slide Number 47
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Slide Number 48
209

6.Lung relation between 3D dose distributions and clinical toxicities new update on site
210

Slide Number 1
210

Relationships between 3D dose distributions and clinical toxicities - Chest
211

SBRT: success story
212

SBRT: improving outcomes stage I LC
213

„Standards“ for dose/prescription to PTV?
214

SBRT: wide use, high heterogeneity
215

SBRT: „magic BED10“ of 100 Gy?
216

Slide Number 8
217

Elekta group: Doses vs. outcome
218

SPACE - A randomized study of SBRT vs conventional fractionated radiotherapy in medically inoperable stage I NSCLCJ. Nyman et al. world lung 2015
219

Central tumors: outcome from expert treatment
220

Central tumors
221

Toxicity!
222

Pat. S.D. *1943, SCC
223

Another fatal necrosis after central SBRT…
224

Slide Number 16
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Slide Number 17
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Slide Number 18
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Slide Number 19
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Slide Number 20
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Slide Number 21
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Slide Number 22
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Slide Number 23
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Slide Number 24
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Slide Number 25
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Slide Number 26
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Slide Number 27
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Course post SBRT
237

Slide Number 29
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Esophageal toxicity
239

Slide Number 31
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Slide Number 32
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Slide Number 33
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Slide Number 34
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Slide Number 35
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Slide Number 36
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Slide Number 37
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There is more than dose and fractionation…
247

9.Planning Aspects Breast Cancer_DvdBongard
248

Slide Number 1
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Slide Number 2
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Planning aspects in breast RT
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Slide Number 4
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Slide Number 5
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Slide Number 6
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Breast-conserving surgery +/- whole breast RT
254

RT after mastectomy and axillary lymph node dissection
255

Slide Number 9
256

Regional lymph node irradiation – delineation on planning CT
257

Slide Number 11
258

Therapeutic window: principle of radiotherapy
259

Radiotherapy-induced toxicityLocal radiotherapy (Breast/Chest wall)
260

Radiotherapy-induced toxicityRegional radiotherapy
261

Acute toxicity skin - Radiation dermatitis
262

Late skin / breast toxicity
263

Lung - Radiation pneumonitis (subacute toxicity)
264

Left-side breast cancer and RTThe heart
265

Radiation-induced heart disease
266

Radiation-induced heart diseaseRegional radiotherapy
267

Cardiac toxicity and mortality due to RT
268

Arm oedema -After axillary surgery and/or regional radiotherapy
269

Regional radiotherapy instead of axillary surgery
270

Brachial plexus Regional radiotherapy boost
271

Radiation-induced secondary cancer after breast radiotherapy
272

Planning aspects in breast RT
273

Hypofractionation – breast Radiotherapy
274

Hypofractionation – whole breast irradiation
275

Canadian study
276

Toxicity – hypofractionated and conventional scheme
277

Hypofractionation – Clinical practice
278

Hypofractionation – FAST (FORWARD)
279

Planning aspects in breast RT
280

Partial breast RT - Rationale
281

Accelerated partial breast RT - Advantages
282

Accelerated Partial breast RT (APBI) - guidelines
283

APBI – low-risk patients
284

APBI - Methods
285

APBI - Methods
286

APBI - External Beam RT
287

Whole vs. Partial breast irradiation – phase III studies
288

Whole vs. Partial breast irradiation – phase III studies
289

Extreme breast hypofractionation – preoperative single-dose PBI
290

Preoperative single dose Radiotherapysupine position – UMC Utrecht
291

MRI – complete response
292

Planning aspects in breast RT
293

Optimal cardiac sparing – Breath-hold technique
294

Breath hold techniques
295

UMC Utrecht – voluntary deep inspiration breath hold techniquelocal +/- regional lymph nodes
296

Breath hold analysis
297

Breath hold technique
298

Compliance Breath hold technique
299

Planning aspects in breast RT
300

Forward IMRT / 3DCRT
301

More advanced planning techniquesin breast cancer patients
302

Comparison of 3D-CRT, IMRT, VMAT in locoregional RT (including internal mammary nodes)
303

3D-CRT compared with VMAT
304

Multibeam-IMRT compared with VMAT
305

Comparison of 3D-CRT, IMRT, VMAT locoregional RT including IMN
306

Other indications VMAT - Funnel chest Heartl 2014
307

What about second cancer risk?
308

Recommendations VMAT and m-IMRT
309

Take home messages – innovations in RT breast cancer
310

Thank you for your attention!
311

Planning aspects in breast RT
312

Boost on tumor bed: decreased local recurrence
313

Boost on tumor bed – breast fibrosis
314

Breast fibrosis – Increased risk of
315

Simultaneously integrated boost (SIB)instead of sequential boost
316

Sequential boost vs. SIB
317

Simultaneously integrated boost (SIB)
318

Preoperative external beam Radiotherapyprone position
319

sp
320

Slide Number 74
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Slide Number 75
322

Treatment and Toxicity - Conclusions
323

9a.Breast case_2016
324

Slide Number 1
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Case 1: Breast
325

Introduction case 1: Breast and regional lymph nodes (i.e. axillary, supraclavicular and internal mammary nodes)
326

Mrs H, 54 years old
327

Titles in Arial
328

Titles in Arial
329

Titles in Arial
330

Titles in Arial
331

BI-RADS: Breast Imaging-reporting and data system
332

BI-RADS classification
333

Mrs H, 54 years old
334

Mrs H, 54 years old
335

MRI - BI-RADS classification
336

Slide Number 14
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Mrs H, 54 years old
338

Slide Number 16
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Slide Number 17
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Mrs H, 54 years old
341

Slide Number 19
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Slide Number 20
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Mrs H, 54 years old
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Mrs H - Treatment
345

Mrs H - Treatment
346

Locoregional RT – Organs at risk
347

Breast planning – session objectives
348

11.Practical aspects of IMRT planning
349

Slide Number 1
349

Optimalisation 3DCRT
350

Optimalisatie IMRT
351

Slide Number 4
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Slide Number 5
353

Optimization
354

20 tips and tricks for happy IMRT planning
355

20 tips and tricks for happy IMRT planning
356

20 tips and tricks for happy IMRT planning
357

20 tips and tricks for happy IMRT planning
358

20 tips and tricks for happy IMRT planning
359

20 tips and tricks for happy IMRT planning
360

20 tips and tricks for happy IMRT planning
361

20 tips and tricks for happy IMRT planning
362

20 tips and tricks for happy IMRT planning
363

20 tips and tricks for happy IMRT planning
364

Slide Number 17
365

what happens to the dose in the posterior part of PTVwhen the patient is shifted 1 cm dorsally?
366

Slide Number 19
367

20 tips and tricks for happy IMRT planning
368

20 tips and tricks for happy IMRT planning
369

20 tips and tricks for happy IMRT planning
370

20 tips and tricks for happy IMRT planning
371

20 tips and tricks for happy IMRT planning
372

20 tips and tricks for happy IMRT planning
373

20 tips and tricks for happy IMRT planning
374

20 tips and tricks for happy IMRT planning
375

20 tips and tricks for happy IMRT planning
376

20 tips and tricks for happy IMRT planning
377

20 tips and tricks for happy IMRT planning
378

20 tips and tricks for happy IMRT planning
379

20 tips and tricks for happy IMRT planning
380

20 tips and tricks for happy IMRT planning
381

20 tips and tricks for happy IMRT planning
382

20 tips and tricks for happy IMRT planning
383

20 tips and tricks for happy IMRT planning
384

Slide Number 37
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Conclusions
386

12.practical aspects IMRT
387

Slide Number 1
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Slide Number 2
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Slide Number 3
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Slide Number 4
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Slide Number 5
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Slide Number 6
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Slide Number 7
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Slide Number 8
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Slide Number 9
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Slide Number 10
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Slide Number 11
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Slide Number 12
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Slide Number 13
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Slide Number 14
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Slide Number 15
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Slide Number 16
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Slide Number 17
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Slide Number 18
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Slide Number 19
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Slide Number 20
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Slide Number 21
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Slide Number 22
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Slide Number 23
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Slide Number 24
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Slide Number 25
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Slide Number 26
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Slide Number 27
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Slide Number 28
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Slide Number 29
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Slide Number 30
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Slide Number 31
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Slide Number 32
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Slide Number 33
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Slide Number 34
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Slide Number 35
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Slide Number 36
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Slide Number 37
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13.Physical and biological optimisation
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Physical and biological optimisation
424

Slide Number 2
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Slide Number 3
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Slide Number 4
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Slide Number 5
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Slide Number 6
429

Optimization in the biology domain
430

Slide Number 8
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Slide Number 9
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Slide Number 10
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Equivalent uniform dose
434

Equivalent uniform dose
435

Equivalent uniform dose
436

Equivalent uniform dose
437

Equivalent uniform dose
438

Equivalent uniform dose
439

Slide Number 17
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Slide Number 18
441

Can we go beyond EUD?
442

Can we go beyond EUD?
443

Slide Number 21
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Slide Number 22
445

Conclusions
446

14.Particle therapy planning
447

Slide Number 1
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Slide Number 2
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Slide Number 3
449

Differences between proton and photon planning
450

Unfair comparison
451

Slide Number 6
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Slide Number 7
453

Radiation Production
454

Fundamental Difference in Penetration
455

Energy lost = Dose deposition
456

Passive vs. active particle beam delivery
457

Skull base chordoma
458

Sacrum chordoma
459

Prostate
460

Slide Number 15
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Slide Number 16
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Slide Number 17
463

Dealing with uncertainties in TP
464

Clinical example for dose distortion
465

Treatment plan robustness
466

Robust beam arrangement
467

Robust beam arrangement
468

Beam specific margins
469

Robust optimisation
470

Robustness considerations e.g. Prostate
471

Penumbra
472

Penumbra
473

Slide Number 29
474

CT artefacts due to metallic implants
475

RBE protons
476

SBO (SFUD) and MBO (IMPT)
477

SBO vs MBO example prostate case
478

Optimization strategy
479

Field matching
480

Particle planning basics
481

Potential of ART
482

CIBT wrt PT: Some important differences for TP
483

CIBT wrt PT: Some important differences for TP
484

C vs p: Skull base
485

C vs p: Sacrum
486

Some practical aspect in ion beam planning
487

Some practical aspect in ion beam planning
488

Conclusion
489

15Prostate case_Estro course ATP_2016_DvdBongard
490

Slide Number 1
490

Introduction Case 2: Prostate
491

Mr R, 80 years old
492

Prostate biopsy
493

Mr R, 80 years old
494

Gleason score
495

Mr R, 80 years old
496

Mr R, 80 years old
497

FLAME trialFocal Lesion Ablative Microboost in prostatE cancer
498

FLAME trialFocal Lesion Ablative Microboost in prostatE cancer
499

Prostate - RT planning and position verification
500

RT planning
501

Planning-CT – fiducial gold marker
502

Planning-CT and -MRI
503

Planning-CT and –MRIChanges in rectal and bladder filling
504

Functional MRI – prostate tumor (GTV2: 95 Gy)
505

MRI – special case
506

Prostate RT – Organs at risk + FLAME constraints
507

Prostate planning – session objectives
508

16.Case2planning aspects Prostate ESTRO
509

Slide Number 1
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Slide Number 2
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Slide Number 3
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Slide Number 4
512

some suggestions
513

16a.Prostate case discussion v1.0_2016_TP_PDF
514

Slide Number 1
514

Prostate case discussion
515

Clinical details
516

Switch to Oncentra revue
517

Individual planning session
518

Which is the ‘best’ plan?
519

17.Basic principles of rotational IMRT planning
520

Basic principles of rotational IMRT planning
520

In my institute
521

Rotational IMRT not really new
522

Slide Number 4
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Slide Number 5
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Slide Number 6
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Slide Number 7
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Slide Number 8
527

So….
528

So how does is work in practise?
529

Slide Number 11
530

Slide Number 12
531

Slide Number 13
532

Static IMRT vs VMAT - Conceptual issues
533

IMRT vs. VMAT - Conceptual differences
534

Static IMRT
535

VMAT
536

IMRT vs. VMAT - Conceptual differences
537

Slide Number 19
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Slide Number 20
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Slide Number 21
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Slide Number 22
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Slide Number 23
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Slide Number 24
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Slide Number 25
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Slide Number 26
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Alternatively:
546

Slide Number 28
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So …..
548

RapidArc single arc versus double arc
549

Slide Number 31
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Slide Number 32
551

rotational cone beam IMRT vs static IMRT
552

Slide Number 34
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Slide Number 35
554

Conclusions
555

18.ESTROATP_VanHerk_margins_final
556

Slide Number 1
556

Geometric uncertainties and how to deal with them
557

Problems in radiotherapy:
558

How can we solve this problem ?
559

Image Guided Radiotherapy
560

IGRT Technologies
561

IGRT is brilliant !
562

Nomenclature
563

EPID dosimetry QA to catch gross errors: used for all curative patients at NKI
564

Gross errors detected in NKI
565

What happens in the other 99.6% ?
566

Motion counts? Prostate trial data (1996)
567

The major uncertainties not solved by IGRT
568

Delineation variation: CT versus CT + PET
569

Are prostate markers perfect ?
570

Intra-fraction motion: CBCT during VMAT
571

Intra-fraction motion: CBCT during VMAT
572

Slide Number 18
573

Analysis of uncertaintiesKeep the measurement sign!
574

Demonstration – errors in RT
575

Slide Number 21
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Slide Number 22
577

Slide Number 23
578

Slide Number 24
579

Slide Number 25
580

2.5S + 0.7s is a simplification
581

Practical examples
582

Prostate: 2.5 S + 0.7 s
583

Prostate: 2.5 S + 0.7 sNow add IGRT
584

Lung planning target volume concepts
585

Image selection approaches to derive representative 3D data
586

Very clear lung tumor: classic RT
587

Very clear lung tumor: IGRT hypo
588

Planned dose distribution: hypofractionated lung treatment 3x18 Gy
589

Realized dose distribution with daily IGRT on tumor (no gating)
590

Clinical results with mid-V
591

But what about the CTV ?
592

Slide Number 38
593

Conclusions
594

Slide Number 40
595

19.Molecular imaging RT UN
596

Slide Number 1
596

Molecular imaging in radiotherapy
597

Medical imaging in radiation oncology
598

Types of medical imaging
599

Q1: In your center, do you use functional imaging for radiotherapy planning?
600

Q2: How do you / would you use functional imaging for radiotherapy planning?
601

Imaging literature, example PET
602

Imaging literature, example PET
603

FDG-PET/CT in diagnosis of solid tumors
604

SPN: probability of malignancy
605

Medical imaging in radiation oncology
606

Slide Number 12
607

Imaging for GTV delineation
608

Molecular imaging for GTV delineation
609

Reduction of IOV by new imaging methods
610

Slide Number 16
611

Slide Number 17
612

Slide Number 18
613

Slide Number 19
614

Slide Number 20
615

Slide Number 21
616

Slide Number 22
617

CTV: nodal spread
618

Diagnostic accuracy of FDG-PET/CT in N-staging of NSCLC
619

Slide Number 25
620

Slide Number 26
621

Slide Number 27
622

PET-Plan Study: diagnostic expert-panel
623

PET-Plan Panel:overall observer agreement by phase
624

Slide Number 30
625

Are you sure about your finding?
626

Imaging for RT-planning: soon before treatment!
627

Medical imaging in radiation oncology
628

Cone-Beam CT
629

Imaging for adaptive radiotherapy
630

Slide Number 36
631

... dose painting
632

PET in RT planning: beyond GTV
633

Slide Number 39
634

Slide Number 40
635

Prediction of local recurrence
636

Prediction of NT-reactions?
637

Response prediction during RT?
638

„cooking recipe“ for the translation of new imaging modalities in radiation oncology
639

Medical imaging in radiation oncology
640

Morphological assessment of response
641

“Functional” response assessment
642

643

20.MRI in treatment planning_PDF
644

Slide Number 1
644

MRI in treatment planning
645

Introduction:MRI – why, where, when?
646

Introduction:MRI – why, where, when?
647

Introduction:MRI – why, where, when?
648

Introduction:MRI – why, where, when?
649

Functional imaging modalities in MRI
650

DWI images
651

DWI images – ADC maps
652

DWI images – ADC maps
653

DWI images – ADC maps
654

DWI images – ADC maps
655

DWI images – ADC maps
656

DWI images – ADC maps
657

Diffusion tensor imaging - DTI
658

Diffusion tensor imaging - DTI
659

Diffusion tensor imaging - DTI
660

Spectroscopic Magnetic Resonance
661

Perfusion weighted images - PWI
662

Perfusion weighted images - PWI
663

Perfusion weighted images - PWI
664

Perfusion weighted images - PWI
665

Perfusion weighted images - PWI
666

New MRI imaging modalities and radiotherapy planning
667

New MRI imaging modalities and radiotherapy planning
668

1. MRI for targeting: prostate
669

1. MRI for targeting: prostate
670

1. MRI for targeting: prostate
671

1. MRI for targeting: prostate
672

1. MRI for targeting: cervix
673

1. MRI for targeting: cervix
674

1. MRI for targeting: cervix
675

1. MRI for targeting: brain
676

1. MRI for targeting: brain
677

1. MRI for targeting: brain
678

1. MRI for targeting: brain
679

1. MRI for targeting: brain
680

1. MRI for targeting: brain
681

New MRI imaging modalities and radiotherapy planning
682

2. Direct planning on MRI images
683

2. Direct planning on MRI images
684

2. Direct planning on MRI images
685

2. Direct planning on MRI images
686

2. Direct planning on MRI images
687

2. Direct planning on MRI images
688

2. Direct planning on MRI images
689

2. Direct planning on MRI images
690

2. Direct planning on MRI images
691

2. Direct planning on MRI images
692

2. Direct planning on MRI images
693

2. Direct planning on MRI images
694

2. Direct planning on MRI images
695

New MRI imaging modalities and radiotherapy planning
696

MR-Linac
697

MR-60Co
698

MRI – 60Co: imaging features
699

MRI – 60Co: imaging features
700

MRI – 60Co: imaging features
701

Slide Number 59
702

Slide Number 60
703

Slide Number 61
704

New MRI imaging modalities and radiotherapy planning: conclusions
705

New MRI imaging modalities and radiotherapy planning: conclusions
706

Slide Number 64
707

22.Advanced planning strategies for lung tumours (physical aspects)_pdf
708

Advanced planning strategies for lung tumours physical aspects
708

Why use IMRT in lung
709

Why use IMRT in lung
710

Why not use IMRT in lung
711

Why not use IMRT in lung
712

Why not use IMRT in lung
713

Why not use IMRT in lung
714

Slide Number 8
715

Slide Number 9
716

So forget about IMRT for lung if you don’t have these fancy tools?
717

Key findings:
718

Slide Number 12
719

Slide Number 13
720

Slide Number 14
721

Why? 1
722

Why? 2
723

So …….
724

IGRT (not addressed in this course) is key here
725

Slide Number 19
726

Baseline shifts
727

4D CBCT + GTV Contour
728

Apply Correction
729

Conclusions
730

22.advanced planning strategies lung_pdf
731

Slide Number 1
731

Relationships between 3D dose distributions and clinical toxicities - Chest
732

Normal tissues in the chest
733

IOV in NT contouring: impact on dose calculation and plan optimisation
734

Dose limits for normal tissues in the chest
735

Esophagus: acute reactions
736

Acute esophagitis: dose/volume effects
737

Esophagus: late reactions
738

Esophagus: planning constraints
739

Esophagus: anatomy
740

Esophagus: contouring
741

Esophagus: geographic miss
742

Find the esophagus
743

Find the esophagus
744

Find the esophagus
745

Find the esophagus
746

Lung (RILD)
747

RILD: influence factors
748

RILD: corelation between MLD and probability of symptomatic pneumonitis
749

Slide Number 20
750

Slide Number 21
751

Lung: planning constraints I
752

Lung: what about low doses?
753

Lung: what about low doses?
754

Lung: planning constraints II
755

Lung: contouring
756

Spinal cord
757

Spinal cord: planning constraints
758

Spinal cord: contouring
759

Heart
760

Heart
761

Heart: planning constraints
762

Heart: Delineation
763

Heart: contouring
764

Slide Number 35
765

Bone
766

Slide Number 37
767

Brachial plexus
768

Brachial plexus: toxicity
769

Brachial plexus: planning constraints
770

Contouring the brachial plexus
771

Contouring the brachial plexus
772

Thanks to:
773

23.Lisbon APS lung case UN
774

Slide Number 1
774

Case 3 (lung)
775

Slide Number 3
776

Slide Number 4
777

Slide Number 5
778

Slide Number 6
779

Slide Number 7
780

24.Case2planning aspects T3 LungESTRO
781

Slide Number 1
781

Slide Number 2
782

Slide Number 3
783

Slide Number 4
784

Slide Number 5
785

Slide Number 6
786

Slide Number 7
787

Slide Number 8
788

Slide Number 9
789

24a.Lung case discussion Cambrige_pdf
790

Slide Number 1
790

Lung case discussion
791

Slide Number 3
792

Slide Number 4
793

Slide Number 5
794

Which is the ‘best’ plan?
795

Slide Number 7
796

Which is the ‘best’ plan?
797

Switch to Oncentra revue
798

Individual planning session
799

25.ESTROATP_VanHerk_Sharpe_ConceptsAdaptive_final
800

Slide Number 1
800

Adaptive radiotherapy
801

What is ART?
802

ART Concepts
803

Adaptive Concept
804

Slide Number 6
805

Slide Number 7
806

Slide Number 8
807

Slide Number 9
808

When to correct ?
809

Adaptive Radiation Therapy
810

The Evolving Role of IGRT
811

Initial PTV
812

Confidence-Limited PTV (cl-PTV)
813

Volume Difference: PTV vs cl-PTV
814

Initial PTV & cl-PTV Do NOT Overlap
815

Reality check: setup error pattern
816

Adaptive radiotherapy
817

Adaptive radiotherapy (naïve summary after 5 fractions)
818

Naïve running estimates
819

Slide Number 21
820

Methods: average prostate
821

Slide Number 23
822

Results
823

Slide Number 25
824

Differential Variability
825

Benefits of Daily IG-IMRT
826

Tumour Regression
827

Summary
828

26.Library planning
829

Library planning
829

Slide Number 2
830

plan of the day
831

issues with library planning delivery
832

potential tumour sites for online adaptive strategies
833

potential tumour sites for online adaptive strategies
834

potential tumour sites for online adaptive strategies
835

Slide Number 8
836

Slide Number 9
837

Slide Number 10
838

Slide Number 11
839

Slide Number 12
840

potential tumour sites for online adaptive strategies
841

Slide Number 14
842

Slide Number 15
843

Slide Number 16
844

Slide Number 17
845

Bladder IGA
846

Slide Number 19
847

2 CT scans
848

automated planning
849

automated planning
850

Slide Number 23
851

dose wall maps of voided and full bladder plans
852

Slide Number 25
853

Slide Number 26
854

Slide Number 27
855

Conclusions
856

27.ESTROATP_VanHerk_probplan_final
857

Probabilistic planning
857

Slide Number 2
858

Variability in Repeated 4D CBCT
859

Slide Number 4
860

Uncertainty management: Probabilistic IMRT planning without margin
861

Random errors & breathing
862

Statistical Model of Breathing Motion
863

Variability in Motion Day-to-Day Revisted
864

Variability in Motion Day-to-Day Revisited
865

Variability in Motion Day-to-Day Revisited
866

Clinical Lung Case
867

Slide Number 12
868

Slide Number 13
869

How DVH cost functions are calculated
870

Slide Number 15
871

Inclusion of uncertainties in plan optimization
872

Robust vs probabilistic optimization
873

Confidence level of objective functions
874

Materials and Methods
875

Objectives for treatment plans
876

Effect of probabilistic planning
877

Results
878

Slide Number 23
879

Probabilistic dose painting `by numbers'
880

Conclusions
881

28.Dose painted planning
882

Dose painted planning
882

The vision is clear
883

Slide Number 3
884

Slide Number 4
885

Slide Number 5
886

Slide Number 6
887

Hypoxia Dose Painting Trail in Tübingen, Germany
888

the FLAME trial: Focal Lesion Ablative Microboost
889

Commercial planning systems do not support dose painting
890

How?
891

How?
892

Slide Number 12
893

How?
894

Slide Number 14
895

How?
896

How?
897

How?
898

thresholding might be tricky
899

How?
900

Treatment plan evaluation
901

Slide Number 21
902

Slide Number 22
903

Slide Number 23
904

29.ESTROATP_VanHerk_defimagereg_fina
905

Rigid and deformable registration
905

Image registration
906

Degrees of Freedom
907

Demo rigid registration
908

Deformation vector fields
909

Deformable registration example
910

Slide Number 7
911

Prostate MRI w/wo Endo Rectal Coil
912

Slide Number 9
913

QA methods
914

4D Phantoms
915

Registration of anatomically realistic phantom in pelvis
916

Natural Fiducials
917

Results: Lung 4D CT (22)% Bifurcation Points
918

Lung deformable registration easy ?
919

Slide Number 16
920

Slide Number 17
921

Analysis of variance Observer places O1, Observer places O2Computer places O3
922

Results: head and neck CT-CBCT
923

Can you see all anatomical changes ?
924

Easy deformable registration of the bladder?
925

The bladder is a balloon in a box with stuff – it expands isotropic constrained by the organs around it
926

Landmark validation of contour-based bladder registration
927

Registration of shrinking tumor ?
928

Overconfidence in commercial systems
929

Conclusions
930

Thank you for your attention!
931

30.Introduction Case 4 Bilateral oropharaynx_pdf
932

Slide Number 1
932

Introduction to Case 5: Bilateral Oropharynx
933

Staging
934

HPV status (needed for prognosis)
935

PTV prescription: SIB treatment
936

Slide Number 6
937

Slide Number 7
938

Slide Number 8
939

Slide Number 9
940

Recommendations for IMRT use
941

OARs constraints
942

OARs constraints
943

OARs constraints
944

Parameters for clinical outcome: Salivary glands
945

Mean dose to both parotids 25 Gy
946

Mean dose to both parotids 35 Gy
947

OARs constraints
948

OARs constraints
949

Parameters for clinical outcome: Salivary gland
950

OARs constraints/objectives
951

Replanning H&N IMRT patients
952

Replanning H&N IMRT patients
953

Replanning H&N IMRT patients
954

Replanning H&N IMRT patients
955

Slide Number 25
956

Slide Number 26
957

Patient monitoring: challenges for replanning
958

Patient monitoring: challenges for replanning
959

Slide Number 29
960

30a.Planning aspects Head and Neck ESTRO
961

Slide Number 1
961

Slide Number 2
962

Clinical example
963

Conventional IGRT Workflow
964

IGART Workflow/Closed loop principle
965

How to finally evaluate?
966

ART for head and neck cancer
967

Results - adaptation vs non-adaptation
968

Slide Number 9
969

Control Scan after 10 fractions
970

CT1 + originial ROIs
971

CT2 + new ROIs
972

Deformations
973

Initial plan on CT1&2
974

Deformed dose on CT2
975

Original plan CT1&2
976

Old and new ROIs on CT2
977

Slide Number 18
978

Slide Number 19
979

31.Conclusion_Planning aspects Head and Neck ESTRO
980

Slide Number 1
980

PTV prescription: SIB treatment
981

OARs constraints/objectives
982

Slide Number 4
983

Bias dose
984

Different scenarios
985

32.Pareto front
986

Slide Number 1
986

Slide Number 2
987

Slide Number 3
988

What is the pareto principle
989

Slide Number 5
990

Slide Number 6
991

Slide Number 7
992

Sweeping the dose : dose shaping
993

Slide Number 9
994

Slide Number 10
995

Slide Number 11
996

Slide Number 12
997

Slide Number 13
998

Slide Number 14
999

Mnemonic for Pareto front
1000

The „manual“ way to get there
1001

Slide Number 17
1002

Slide Number 18
1003

Slide Number 19
1004

Slide Number 20
1005

Slide Number 21
1006

Slide Number 22
1007

Slide Number 23
1008

Slide Number 24
1009

Slide Number 25
1010

Slide Number 26
1011

Slide Number 27
1012

Slide Number 28
1013

Slide Number 29
1014

Slide Number 30
1015

Slide Number 31
1016

Slide Number 32
1017

Slide Number 33
1018

Slide Number 34
1019

Slide Number 35
1020

Slide Number 36
1021

Slide Number 37
1022

Slide Number 38
1023

Slide Number 39
1024

Slide Number 40
1025

33.Physicist's perspective
1026

Physicist’s perspective
1026

Emerging topics
1027

Automatic normal tissue segmentation
1028

Slide Number 4
1029

Slide Number 5
1030

Slide Number 6
1031

Slide Number 7
1032

Slide Number 8
1033

Summary
1034

the planning time to complete a (complex) H&N case is typically
1035

Slide Number 11
1036

Slide Number 12
1037

Slide Number 13
1038

Slide Number 14
1039

Slide Number 15
1040

Slide Number 16
1041

Slide Number 17
1042

Slide Number 18
1043

Slide Number 19
1044

Complications
1045

Clinical Favourability
1046

Wish-list: Formalised DM
1047

Slide Number 23
1048

Slide Number 24
1049

Slide Number 25
1050

Slide Number 26
1051

Slide Number 27
1052

Slide Number 28
1053

Slide Number 29
1054

Slide Number 30
1055

Slide Number 31
1056

Slide Number 32
1057

Slide Number 33
1058

Slide Number 34
1059

Slide Number 35
1060

Slide Number 36
1061

Slide Number 37
1062

Slide Number 38
1063

the times they are a changin’
1064

34.Doctor's perspective - Cambridge 2016 - v1.1 handout
1065

Slide Number 1
1065

The doctor’s perspective
1066

Summary
1067

Use the best tools for the job !
1068

Treatment volumes compared
1069

Slide Number 6
1070

Slide Number 7
1071

Small dose differences matter
1072

Marginal gains
1073

Dialogue – a key component of happy planning
1074

Dialogue – a key component of happy planning
1075

Dialogue – a key component of happy planning
1076

Multi-criteria optimisation (MCO)
1077

Multi-criteria optimisation (MCO)
1078

IMRT – Optimisation
1079

Slide Number 16
1080

Multi-criteria optimisation (MCO)
1081

Multi-criteria optimisation (MCO)
1082

Normal tissue response data
1083

Normal tissue response data
1084

Normal tissue response data
1085

Normal tissue response data
1086

Dose accumulation
1087

Dose accumulation
1088

Dose accumulation
1089

DSM for highest accumulated dose compared with planned
1090

DSM for lowest accumulated dose compared with planned
1091

Dose accumulation
1092

Dose accumulation
1093

VoxTox - results
1094

Dose accumulation
1095

Individual variation in normal tissue sensitivity
1096

Individual variation in normal tissue sensitivity
1097

Individual variation in normal tissue sensitivity
1098

Individual variation in normal tissue sensitivity
1099

Individual variation in normal tissue sensitivity
1100

Individual variation in normal tissue sensitivity
1101

Individual variation in normal tissue sensitivity
1102

Synergy from physics and biology
1103

Convolving individual radiosensitivity & individual dose accumulation
1104

Convolving individual radiosensitivity & individual dose accumulation
1105

Doctor’s perspective
1106

Doctor’s perspective
1107

Doctor’s perspective
1108

Slide Number 50
1109