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1.Introduction Toronto 2016 KT_RP_full resolution.pdf
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WELCOMEESTRO-CARO Teaching CourseImage-guided cervix radiotherapy – with a special focus on adaptive brachytherapyToronto 4.-6. April 2016
1

Image-guided cervix radiotherapy – with a special focus on adaptive brachytherapy
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Faculty
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Slide Number 4
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Slide Number 5
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Advanced image guided EBRT
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Contents of the course
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RetroEMBRACE
8

EMBRACE study
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Slide Number 10
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Who are you?
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How is external beam pelvic radiotherapy typically delivered?
12

How do you perform image guidance for EBRT?
13

How is cervical cancer brachytherapy typically prescribed at your institution?
14

How often do you use a combined intracavitary-interstitial applicator for cervix cancer brachytherapy?
15

What imaging do you perform after applicator insertion?
16

Support by industry
17

Organisation
18

2.Anatomic consideration in cervical cancer, T. May 2016
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Anatomical considerations, clinical examination, and staging
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Disclosure
20

Objectives
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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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Surgical treatment options
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Hysterectomy
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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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Retroperitoneal Lymphadenectomy
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Pelvic Lymphadenectomy
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Minimally Invasive Surgery vs. Laparotomy
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Introduction to MIS
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Laparoscopy vs. Robotic
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Canadian Gyn Oncology Experience
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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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Advances in the surgical management of cervical cancer
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Radical Robotic Trachelectomy
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Radical Trachelectomy
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Trachelectomy
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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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Radical Trachelectomy Outcomes
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Radical Trachelectomy Obstetrical Outcomes
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Embryonal Rhabdomyosarcoma
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Ovarian Transposition
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Slide Number 40
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Slide Number 41
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Fusion of Technology
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Sentinel Lymph Node Biopsy
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SLNB - Multiple Advantages
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Techniques for SLN Biopsy
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Slide Number 46
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Slide Number 47
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Slide Number 48
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Pushing the envelope of MIS
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Slide Number 50
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3.MRI OF CA CX
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Slide Number 1
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Slide Number 2
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INDICATION
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MRI PROTOCOL
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MRI PROTOCOL
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MRI PROTOCOL
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Slide Number 7
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HI RES OBLIQUE T2
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DWI
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Normal Anatomy
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Slide Number 11
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Slide Number 12
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Pelvic Lymph Nodes: Anatomy
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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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Histology
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Cervical Cancer : MRI
88

FIGO Staging: Clinical
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KEY ISSUES FOR TREATMENT
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MRI Impact
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TUMOUR SIZE
92

Internal Os
93

IB-Cervix Stroma
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MRI Impact
95

IIB- Parametrial Invasion?“To Be or Not To Be”
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IIB-Parametrial Spread
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IIIA -LOWER 1/3 VAGINA
98

IIIB-Ureter
99

IIIB- Pelvic side wall
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IVA-Bladder Invasion
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LYMPHADENOPATHY
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LYMPHADENOPATHY
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LYMPHADENOPATHY
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DWI- PELVIC NODES
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PET-MRI
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POST TREATMENT MRI
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Post Treatment Evaluation
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Slide Number 41
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FISTULA
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RECURRENT DISEASE
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SUMMARY
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Slide Number 45
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ADENOMA MALIGNUM
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Slide Number 47
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STRUCTURES THAT CAN MIMIC A LYMPH NODE ON IMAGING
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MRI Protocol: Pearls
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4.Radiologic pathology at BT_Cervical cancer_PPetric_Toronto 2016_clean
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Slide Number 1
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Gold standard: T2W MRI
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Interpretation of imaging findings at BTWhat is the High Risk CTV on this slice? (your best guess)
120

Interpretation of imaging findings at BT
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Interpretation of imaging findings at BT
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Slide Number 6
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Slide Number 7
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STEPS of Assessment of MRI at BT
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1. Rule out FLOP
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Entrer le texte de la question
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1. Rule out FLOP
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1. Rule out FLOP
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1. Rule out FLOP
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Systematic Assessment of MRI at BT
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Systematic Assessment of MRI at BT
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Set the STAGE for contouring
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Set the STAGE for contouring
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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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Set the STAGE before contouring
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Slide Number 26
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Set the STAGE before contouring
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Slide Number 28
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Set the STAGE before contouring
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Entrer le texte de la question
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Slide Number 31
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Slide Number 32
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Entrer le texte de la question
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Slide Number 34
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Slide Number 35
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Set the STAGE before contouring
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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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Applicator material, Field strength and Image sequence
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Choice of imaging modality for IGABT
161

Slide Number 45
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5.Combined Intracvitary -Interstitial Techniques Cervical cancer_clean
163

Slide Number 1
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Slide Number 2
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What brachytherapy technique would you do for this tumor topography after external radiation and chemotherapy?
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What brachytherapy technique would you do for this tumor topography after external radiation and chemotherapy?
166

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
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Slide Number 49
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Slide Number 50
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Slide Number 51
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Slide Number 52
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Slide Number 53
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Slide Number 54
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Adaptive BT applicators
217

Slide Number 56
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What brachytherapy technique would you do for this tumor topography after external radiation and chemotherapy?
219

What brachytherapy technique would you do for this tumor topography after external radiation and chemotherapy?
220

Slide Number 59
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6.Clinical diagrams_Umesh_clean
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Slide Number 1
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Clinical drawings aid in
223

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 11
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Slide Number 13
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Slide Number 15
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Slide Number 21
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Slide Number 23
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Slide Number 25
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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 35
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Slide Number 36
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Slide Number 37
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SUMMARY
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Slide Number 39
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7.Applicators_IC_BT_Cervix_PPetric_TORONTO_2016_clean
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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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Limitations of modern IC applicatorsHow far from point A can we “push” the prescription isodose?
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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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Overcoming limitations of IC applicatorsHow would you boost this area?
268

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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8.Gyn GEC ESTRO recommendations_with TP RP_clean
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Slide Number 1
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gynaecologic brachytherapyevolution
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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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MRI: Initial tumour extension (3D RT)pattern of response (4D RT) for adaptive MRI based planning
295

Slide Number 10
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HR-CTV includes:
297

IR-CTV includes:
298

Slide Number 13
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The language challenge I Risk orientated (“High Risk”)adaptive Target concept
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Slide Number 15
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Overview of the adaptive target concept cervix cancer stage IB, IIB, IIIB: HR+IR CTV-T
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Risk orientated adaptive Target Concept Terms: GTVres, residual pathologic tissue, CTVHR, CTVIR, GTVinit,
303

The challengeof MRI availability
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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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Overview of the adaptive target concept cervix cancer stage IB, IIB, IIIB: HR+IR CTV-T
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Slide Number 23
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Slide Number 24
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Cervix cancer stage IB1 initial GTV, HR CTV, IR CTV, LR CTV
311

1. Limited disease (tumour size 2cm)
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1. Limited disease (tumour size 2cm)
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1. Limited disease (tumour size 2cm)
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1. Limited disease (tumour size 2cm)
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1. Limited disease (tumour size 2cm)
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Slide Number 31
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Slide Number 32
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Stage IB1
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Slide Number 34
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Stage IB1
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Slide Number 36
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Cervix cancer stage IB1 initial and residual GTV, HR CTV, IR CTV, LR CTV
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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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HR-CTV includes:
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IR-CTV includes:
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Slide Number 48
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Cervix cancer stage IB2 initial and residual GTV, HR CTV, IR CTV, LR CTV
335

Slide Number 50
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Slide Number 51
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Slide Number 52
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Slide Number 53
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Slide Number 54
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Slide Number 55
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Slide Number 56
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Slide Number 57
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Slide Number 58
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HR-CTV includes:
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IR-CTV includes:
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Slide Number 61
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Slide Number 62
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Slide Number 63
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Slide Number 64
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Slide Number 65
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Slide Number 66
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Slide Number 67
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Slide Number 68
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Slide Number 69
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Slide Number 70
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Slide Number 71
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Slide Number 72
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Cervix cancer stage IIB,
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Slide Number 74
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Slide Number 75
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Slide Number 76
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Slide Number 77
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Slide Number 78
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Slide Number 79
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Slide Number 80
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Slide Number 81
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Slide Number 82
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Slide Number 83
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Slide Number 84
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Slide Number 85
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Slide Number 86
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Slide Number 87
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Slide Number 88
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Slide Number 89
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Slide Number 90
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Overview of the adaptive target concept cervix cancer stage IB, IIB, IIIB: HR+IR CTV-T
377

Slide Number 92
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Slide Number 93
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Slide Number 94
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Slide Number 95
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Slide Number 96
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Slide Number 97
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Slide Number 98
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Slide Number 99
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Slide Number 100
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Slide Number 101
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Slide Number 102
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Overview of the adaptive target concept cervix cancer stage IB, IIB, IIIB: HR+IR CTV-T
389

Risk orientated adaptive Target Concept Terms: GTVres, residual pathologic tissue, CTVHR, CTVIR, GTVinit,
390

HR-CTV includes:
391

IR-CTV includes:
392

ICRU 88 Prescribing, Recording, and ReportingBrachytherapy (BT) for Cancer of the Cervix
393

Slide Number 108
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Slide Number 109
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Slide Number 110
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9.Berger_Applicator_Reconstruction_Toronto 2016 TurningPoint_clean
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Slide Number 1
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Presentation overview
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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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Defining the source pathin relation to the patients anatomy
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Localization techniques in “2D” and 3D
405

Sectional Imaging CT / MRI
406

Presentation overview
407

Direct Visualizing the Source Path
408

Slide Number 15
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Direct-reconstruction on sectional images
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Slide Number 17
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Orientation of applicator/image plane
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Direct reconstruction - challenge
413

Slide Number 20
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3D (SPACE) T2 weighted MR imaging
415

Slide Number 23
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Where to start the reconstruction of the ring
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Slide Number 25
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Quality Check of the reconstruction process
419

Presentation overview
420

In-Direct Visualizing the Source Path
421

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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Predefined applicator geometry - library
429

Presentation overview
430

Commissioning of Applicators
431

Applicator material!
432

Indexer Length and Off-set
433

Off-set will effect the insertion depth
434

Visibility !!!
435

Auto-radiography to verify the reconstruction of the source path in the TPS (or pre-defined Applicator Library)
436

Verify the source path using Auto-radiography
437

Slide Number 48
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Quality Control in applicator reconstruction
439

Presentation overview
440

Slide Number 51
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Slide Number 52
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Slide Number 53
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Slide Number 54
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Slide Number 55
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10.TATA_2_Large tumour, Good Response_AD_final
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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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11.VIE002 Large GoodMS
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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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12.CTV-ITV & OAR at EBRT IS_PP_2015 met TP questionsRP_clean
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Slide Number 1
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Slide Number 2
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The CTV of the primary tumor always includes ?
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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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Future LR-CTV-Tinitial and CTV-E
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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
495

The initial LR CTV-T of the primary tumor always includes ?
496

EMBRACE II: CTV-T: initial GTV, HR CTV, LR CTV: Stage IB1
497

EMBRACE II: CTV-T: initial GTV, HR CTV, LR CTV: Stage IB2
498

EMBRACE II: CTV-T: initial GTV, HR CTV, LR CTV: stage IIB
499

EMBRACE II: CTV-T: initial GTV, HR CTV, LR CTV: stage IIIB
500

EMBRACE II: CTV-T: initial GTV, HR CTV, LR CTV: stage IVA
501

Slide Number 25
502

The margin needed to include 99% of detectable lymph nodes is?
503

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
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Slide Number 49
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Slide Number 50
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Slide Number 51
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Slide Number 52
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Slide Number 53
530

The margin needed to include 99% of detectable lymph nodes is?
531

Slide Number 55
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Slide Number 56
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Slide Number 57
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Slide Number 58
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Slide Number 59
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Slide Number 60
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Slide Number 61
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Slide Number 62
539

13. KT_image guidance and PTV_Toronto_final_clean
540

Image guidance, organ motion and ITV/PTV ESTRO Teaching CourseImage-Guided Cervix Radiotherapy – with a special focus on adaptive brachytherapyToronto 2016
540

ITV and PTV
541

Margins in cervix cancer
542

PTV elective target volume
543

IGRT methods
544

Skin marks versus daily bony registration
545

Which PTV margin do you apply for CTV-E?
546

Do you think it is worthwhile to implement daily IGRT and decrease margin from 10mm to 5mm?
547

Why does the margin matter?
548

Let’s take a look at the orange and the peel…
549

Is it important?
550

Is it risky to reduce margins?What is the dosimetric impact of margin reduction?
551

Very first results on dose accumulation for elective target: 1 patient
552

Where are the nodal failures?EMBRACE analysis
553

Thinking Gray and grey...
554

Current (EMBRACE I) and future (EMBRACE II) practice: EBRT volume
555

Simultaneously integrated lymph node boost (SIB)
556

Which PTV margin do you think is necessary for the pathological CTV-N?
557

Margins for pathological lymph node boosting
558

Margins for pathological lymph node boosting
559

Target and organ doses
560

Coverage probability planning recommended in EMBRACE II
561

Which total margin (ITV+PTV) is appropriate for the mobile primary tumour related CTV (GTV+cervix+uterus)?
562

Motion and dose – primary target
563

Which total dose (EBRT+BT) do you think this patient received to the non-involved uterus?
564

Which total dose (EBRT+BT) do you think this patient received to the non-involved uterus?
565

Which total dose is appropriate for controlling the non-involved uterus (EBRT+BT)?
566

Accumulated doses
567

Thinking Gray and grey...
568

Which of these motion patterns are of most concern?
569

ITV-T LR recommended in EMBRACE IIExample: Full rectum
570

ITV-T LR recommended in EMBRACE IIExample: Empty rectum + variable bladder
571

Bladder filling strategy in your department?
572

Slide Number 34
573

Adaptive EBRT to further shrink margins/improve safety?
574

What has most impact on bowel dose?
575

Take home message: nodal CTV
576

Take home message: primary CTV
577

14.EBRT_medical aspects_Umesh_clean
578

Slide Number 1
578

Outline
579

Slide Number 3
580

Dosimetric meta-analysis
581

Dosimetric meta-analysisSummary
582

Conformal to IMRT: GYN Cancers
583

Slide Number 7
584

What percentage of cervical cancer patients with intact uterus undergo IMRT/VMAT treatment at your centre?
585

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
595

IMPLEMENTATION OF IGRT IN AN IMRT ENVIRONMENT : PRE-REQUISTE TO SUCCESS
596

Slide Number 20
597

Slide Number 21
598

Slide Number 22
599

RTOG 0418 A phase II study of post op IMRT in gynecological cancer
600

Slide Number 24
601

Slide Number 25
602

OAR Contouring & Dose Constraints
603

Slide Number 27
604

Slide Number 28
605

BOWEL (acute toxicity): dose-volume effect
606

Slide Number 31
607

608

Slide Number 33
609

Slide Number 34
610

Prophylactic PA-IMRT
611

Duodenal toxicity in Extended field RT
612

Dose volume relationship for Gross nodes
613

Slide Number 38
614

PET- CT Based IMRT
615

Slide Number 40
616

Slide Number 41
617

Slide Number 42
618

Slide Number 43
619

Slide Number 44
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Slide Number 45
621

Slide Number 46
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Slide Number 47
623

INTERTECC Trial: Multi-centric International Study
624

Slide Number 49
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Slide Number 50
626

INTERTECC Preliminary Data: Jan 2015
627

Slide Number 52
628

Slide Number 53
629

Slide Number 54
630

Slide Number 55
631

SUMMARY
632

15.GEC ESTRO II ICRU 89 RP2015v3_KTRP with TP_clean
633

Slide Number 1
633

Recommendations, DVH parameters
634

Slide Number 3
635

ICRU/GEC ESTRO recommendations for gyneacological brachytherapy
636

Learning Objectives (I)
637

Learning Objectives (II)
638

Three levels of reporting
639

Level 1 - Minimum standard for reporting
640

Level 1 – minimum standard for reporting
641

Slide Number 11
642

Slide Number 13
643

Level 1 – minimum standard for reporting
644

Point-A based brachytherapy
645

Slide Number 16
646

Overall Treatment Time (BT, EBRT, total)
647

When comparing total dose to point A and total dose to 90% of the HR CTV (D90)
648

DVH Parameters and Reference Points,
649

3D-based Dose Volume Parameters for OAR
650

Slide Number 21
651

Slide Number 22
652

D2cm3 for rectum is endpoint for
653

DVH Parameters for organs at risk (ICRU 89)
654

Bladder
655

Rectum
656

Sigmoid
657

ICRU point dose and D2cc doses
658

D2cc and D0.1cc
659

D2cm3 and D0.1cm3 for OAR
660

Level 2 - Advanced standard for reportingAll that is reported in level 1 plus (ICRU 89):
661

Overview of the adaptive target concept in cervix cancer stage IB, IIB, IIIB
662

Slide Number 33
663

Slide Number 34
664

Level 2 - Advanced standard for reportingAll that is reported in level 1 plus (ICRU 89):
665

DVH-parameters CTV-THR (ICRU 89)
666

Dose and Volume Parameters (Vienna data 1998-2008)
667

DVH parameters targets:GTV, CTV-HR, CTV-IR
668

Dose in D90 and HR CTV for point A prescriptionHigh Target Doses in small tumoursLow Target Doses in large tumours
669

Consequences of prescribing to Point-A
670

Level 2 - Advanced standard for reportingAll that is reported in level 1 plus (ICRU 89): :
671

DVH Parameters and Reference Points,
672

Vaginal dose assessment and reporting
673

Vaginal reference points
674

Slide Number 45
675

DVH Parameters and Reference Points, Vaginal point: variations in application
676

D2cm3 and D0.1cm3 for OAR are recommended
677

General principles for reporting of physical and equieffective EBRT and BT dose (ICRU/GEC ESTRO report 88)
678

Pelvic EBRT (elective) + BT
679

Calculation of EQD2 in spreadsheet
680

When adding doses from EBRT and BT You assume for the HR CTV for BT that
681

When adding doses from EBRT and BT You assume for the 2 cm3 for OAR that
682

Limitations of adding doses according to „ICRU point-3D model“ both for CTV and OAR
683

How could this happen?
684

Be aware of IMRT hot spots in the BT region!
685

DVHs for different contributions of EBRT and BTand specific morbidityendpoints
686

From Planning aims to Prescription
687

Need for common terminology according to ICRU reports on proton treatment and IMRT
688

Planning aim and prescription dose
689

Planning aim and prescription dose
690

Example (Appendix case 5, ICRU 89)
691

Example – disease at BT (Appendix case 5, ICRU 89)
692

Example (Appendix case 5, ICRU 89)
693

Example (Appendix case 5, ICRU 89)Applicators and EQD210 isodose surface volumes
694

Example (dose points) (Appendix case 5, ICRU 89)
695

Example (DVH parameters) (Appendix case 5, ICRU 89)
696

16.KT_clinical evidence for dose effects Toronto_final_clean
697

Clinical evidence for dose-effects for disease and morbidity/QoL outcome: Dose prescription, dose constraints and planning aims in brachytherapyESTRO Teaching CourseImage-Guided Cervix Radiotherapy – with a special focus on adaptive brachytherapyToronto 2016
697

DOSE EFFECT RELATIONSHIP POINT A
698

Slide Number 3
699

Clinical Evidence in IGABT Cervix Cancer
700

RetroEMBRACE
701

EMBRACE study
702

703

Heterogeneity of dose prescription: Bladder D2cc
704

Recurrences according to dose and volume
705

Actuarial local controlHR CTV dose and volume
706

Dose, volume, and time effect
707

Dose volume response for GTV
708

Dose effect GTV, CTVHR and CTVIR
709

Combined constraints for GTV and CTVHR
710

Practice in EMBRACE I
711

EMBRACE practice
712

EMBRACE II dose prescription
713

Beach boy approach – Barcelona 2013
714

Bladder D2cm3
715

Rectum D2cm3
716

Slide Number 21
717

Vaginal stenosis ICRU recto-vaginal point (630 pts)
718

Slide Number 23
719

Slide Number 24
720

Sigmoid D2cm3, preliminary data
721

Bowel D2cm3, preliminary data
722

Slide Number 27
723

Slide Number 28
724

Planning aim and prescription dose
725

Planning aim and prescription dose
726

Conclusion (I)
727

What is the proposed planning aim for CTVHR – indicate all correct answers
728

Which treatment plan would you prefer?
729

Which treatment plan would you prefer?
730

17.KT_physics aspects intracav interst Toronto 2016_final_clean
731

Physics aspects of treatment planning intracavitary +/- interstitial techniques in cervix cancerESTRO Teaching CourseImage-Guided Cervix Radiotherapy – with a special focus on adaptive brachytherapyToronto 2016
731

Limitation of standard loading pattern with dose prescription to point A
732

With dose optimisation in a small tumour...
733

Tools for dose optimisation
734

Slide Number 5
735

Graphical dose optimisation – “drag and drop”
736

Inverse dose optimisation
737

Slide Number 8
738

Example 1: good response stage IB2 Standard plan
739

Example 1Manual dose optimisation
740

Example 1, DVH
741

Example 1, summary
742

Example 2, Stage IIBStandard plan
743

Example 2Manual dose optimisation
744

Example 2, DVH
745

Example 2, summary
746

Example 3, Stage IIIBStandard dose plan
747

Example 3Manually optimised plan
748

Loading of needles: dwell times and isodoses
749

Example 3, DVH
750

Example 3, summary
751

Example 3, inverse planning
752

When to use graphical dose optimisation (dose shaper)?
753

When to use graphical dose optimisation (dose shaper)?
754

Typical scenarios of dose optimisation
755

Conclusion – optimisation techniques
756

PTV margins
757

Example contouring uncertainty
758

Vaginal dose de-escalation
759

Volume is important!
760

Volume is important!
761

Point A dose and HR CTV volumeEMBRACE - Intracavitary applications
762

Importance of needles
763

Take home message – dose optimisation
764

I prefer to do optimisation
765

With dose optimisation in a small tumour...
766

18.RadioBiologyModels to combine EBRT and BT DB(Questions)Toronto_2016_clean
767

Slide Number 1
767

Which dose rates are you mainly using at your department for GYN ?
768

Are you correcting for the radio-biological effect ?
769

Which of the following radiobiological effect(s) is(are) taken into account in the EQD2 calculationwhen using the LQ-model?
770

Slide Number 5
771

Slide Number 6
772

Slide Number 7
773

Slide Number 9
774

Slide Number 10
775

Slide Number 11
776

Slide Number 12
777

Slide Number 13
778

Slide Number 14
779

Slide Number 15
780

Slide Number 16
781

Slide Number 17
782

Slide Number 19
783

Slide Number 20
784

Slide Number 21
785

Slide Number 22
786

Slide Number 23
787

Slide Number 24
788

A single fraction HDR dose of 7Gy to the tumour corresponds to a EQD2 of
789

Slide Number 26
790

Slide Number 27
791

Which of the following radiobiological effect(s) is(are) taken into account in the EQD2 calculationwhen using the LQ-model?
792

Slide Number 33
793

Slide Number 34
794

Slide Number 35
795

19.KT_inter and intra fraction uncertainties Toronto 2016_final_clean
796

Inter- and intra-fraction uncertainties and imaging strategies (MRI/CT) in brachytherapy ESTRO Teaching CourseImage-Guided Cervix Radiotherapy – with a special focus on adaptive brachytherapyToronto 2016
796

Largest dose uncertainty for target?
797

Largest dose uncertainty OARs?
798

Uncertainties in the high gradient BT dose distribution
799

The 6 steps of IGABT
800

Contouring uncertaintiesHR-CTV on MRI
801

Impact of contouring uncertainties on dose
802

Applicator reconstruction uncertaintiesMRI based intracavitary/interstitial brachytherapy
803

Reconstruction uncertainties
804

Fusion uncertainties
805

Definition of inter-intra fraction/application uncertainties
806

Slide Number 12
807

”Worst case assumption”Calculation of DVH for several fractions
808

Different location of hotspots
809

Influence of organ deformation
810

Bladder dose accumulation with deformable registration (biomechanical)
811

DVH addition
812

Largest dose uncertainty for target?
813

Largest dose uncertainty OARs?
814

Total uncertainties
815

Impact of uncertainties on total dose
816

Examples total dose and uncertainty
817

Dosimetric uncertainties and dose-response relationships
818

Effect of uncertainties on observed dose response relationships
819

Slide Number 25
820

Slide Number 26
821

Image modality?
822

Pre-BT MRI + CT
823

Slide Number 29
824

Slide Number 30
825

Pre-BT MRI + CT
826

1st application: MRI
827

2nd application: CT
828

2nd application: CT
829

MR imaging and treatment planning for every fraction?
830

What is possible in your department?
831

20.CARO ESTRO course April 5 2016 (1)
832

Slide Number 1
832

Outline
833

Why Brachytherapy?
834

Brachytherapy utilization rate in 18 SEER registries
835

Survival by brachytherapy use
836

The Impact of New TechnologicalAdvancements
837

Slide Number 7
838

Canadian Practice Survey
839

Slide Number 9
840

What imaging do you perform after applicator insertion for applicator position verification and/or treatment planning?
841

Dose prescription
842

Brachytherapy Dose-Fractionation
843

How often do you use interstitial needles?
844

Is MR simulation available?
845

What is the current status of MR-guided brachytherapy (full 3D planning) at your centre?
846

What are/were the barriers to implementing MR-guided brachytherapy?
847

Slide Number 17
848

Key Quality-of-Care Indicators
849

Endorsed Brachytherapy KQIs
850

Aspirational Brachytherapy KQIs
851

Slide Number 21
852

PM Brachytherapy Technique
853

Increase in uterine volume & HRCTV during PDR brachytherapy
854

PM Brachytherapy Technique
855

PM HDR Brachytherapy Process
856

Slide Number 26
857

Slide Number 27
858

PM Brachytherapy Technique
859

Stage IVA Cervical SCC
860

Stage IVA Cervical SCC
861

Stage IVA Cervical SCC
862

Slide Number 32
863

PM Brachytherapy Technique
864

Vaginal recurrence of cervical adenocarcinoma after trachelectomy
865

Slide Number 35
866

Slide Number 36
867

Slide Number 37
868

Slide Number 38
869

Slide Number 39
870

Planning Aims
871

Inter-Observer Variability Among Experts
872

Slide Number 42
873

Slide Number 43
874

Slide Number 44
875

Slide Number 45
876

MR-Guided Radiotherapy Suite
877

MR-Guided Brachytherapy Suite
878

MR-Guided Brachytherapy Suite
879

Summary
880

Acknowledgements
881

21.Vie003_JR(caseSummary)
882

Slide Number 1
882

Slide Number 2
883

Slide Number 3
884

Slide Number 4
885

Slide Number 5
886

Slide Number 6
887

Slide Number 7
888

Slide Number 8
889

Slide Number 9
890

Slide Number 10
891

Slide Number 11
892

Slide Number 12
893

Slide Number 13
894

Slide Number 14
895

Slide Number 15
896

Slide Number 16
897

22.Practical-DoseReporting
898

Slide Number 1
898

Slide Number 2
899

Slide Number 3
900

Slide Number 4
901

Slide Number 5
902

Bladder Bicru / D2cm3 ratio
903

Slide Number 7
904

„ICRU 89“ Reference Points
905

Slide Number 9
906

Slide Number 10
907

Slide Number 11
908

Slide Number 12
909

Slide Number 13
910

Slide Number 14
911

Slide Number 15
912

Slide Number 16
913

24.Morbidity and QoL Rect, Bowel, Bladder, Vagina RP 2016
914

Morbidity and QoL after IGABT in Cervix CancerRectum, Sigmoid, Bladder, Vagina
914

Learning Objectives I
915

Patients with baseline and follow up informationbladder, bowel, rectum
916

Late Morbidity: Bladder
917

Slide Number 5
918

Slide Number 6
919

Bladder frequency
920

Bladder frequency
921

PROM bladder frequency
922

Bladder Incontinence
923

Bladder incontinence
924

PROM bladder incontinence
925

Bladder cystitis
926

Bladder cystitis
927

Bladder bleeding
928

Analysis of single- or groups of symptoms?
929

Late Morbidity: GI, Rectum, Bowel
930

Overview (CTCAE)
931

Slide Number 19
932

Prevalence for bleeding, proctitis, fistula, stenosis (rectum)
933

Actuarial estimate of bleeding, proctitis, fistula, stenosis
934

Prevalence and actuarial cumulative incidence: rectal morbidity
935

Late Morbidity: GI, Rectum, Bowel
936

Slide Number 24
937

Prevalence rates for all gradings of diarrhea, CTCAE
938

Slide Number 26
939

Slide Number 27
940

Prevalence rates for all gradings of diarrhea, EORTC
941

Prevalence rates for all gradings of difficulty controlling bowel, EORTC
942

Prevalence rates for all gradings of incontinence, CTCAE
943

Slide Number 31
944

Slide Number 32
945

Late Morbidity: Vagina
946

Vaginal stenosis
947

Vaginal length reduction
948

Telangiectasia
949

Slide Number 37
950

Adhesions
951

Vaginal occlusion
952

Patterns of manifestation: Prevalence rates and Actuarial estimates
953

Patterns of manifestation: Prevalence rates and Actuarial estimates
954

Vaginal morbidity after definitive radiochemotherapy + IGABT in LACC
955

Crude incidence, rates for single vaginal endpoints
956

Summary & Conclusion
957

Late Morbidity: others
958

Slide Number 46
959

Slide Number 47
960

summaryduring and early after treatment
961

long-term Quality of life
962

long-term patient reported symptoms
963

long-term patient reported symptoms
964

long-term impact on sexuality
965

summary
966

Learning Objectives II
967

Slide Number 55
968

Slide Number 56
969

Inter-rater reliability of CTCAE morbidity assessment
970

Slide Number 58
971

Slide Number 59
972

EORTC / FACT QoL
973

Agreement physician assessed vs. Patient reported symptoms
974

Slide Number 62
975

Possible explanations
976

Summary & Conclusion
977

25.Disease Control_after IGABT RPv3 ESTRO TC Toronto
978

Slide Number 1
978

Slide Number 2
979

Slide Number 3
980

Slide Number 4
981

Slide Number 5
982

Clinical Evidence in IGABT Cervix Cancer
983

Image guided adpative brachytherapy (IGBT) cervix cancerLocal Control and Cancer Specific Survival (1998-2003)TREATMENT PERIOD (-/+ IGABT) AND TUMOUR SIZE
984

Slide Number 8
985

CONTINUOUS COMPLETE REMISSION 3 YEARS*VIENNA 1993-2003: 335 patients
986

CONCLUSIONS (Vienna experience 1998-2008)
987

Better local control = improved survival
988

Overall treatment time (OTT)
989

morbidity 3y ≥G3: 10% 3%
990

Multicenter studies with IGABT in cervix ca.
991

From 2D – 3DX Ray vs CT/MRI (STIC trial)
992

993

Slide Number 17
994

Slide Number 18
995

Local control – advanced treatment adaptationincluding interstitial brachytherapy (RetroEMBRACE)
996

Slide Number 20
997

Slide Number 21
998

Slide Number 22
999

Systemic (distant) recurrence analysis (EMBRACE data, 133 events in 753 patients)
1000

Slide Number 24
1001

Slide Number 25
1002

Provisional comparison DVH parameters & local controlbased on multi-centre experience
1003

Interpretation of RetroEMBRACE results (IGABT compared to large population based cohorts 2D BT)
1004

Slide Number 28
1005

Interpretation of RetroEMBRACE results (IGABT compared to large population based cohorts 2D BT)
1006

Paradoxon!
1007

Slide Number 31
1008

LOCAL CONTROL - CLINICAL DATA/AIMSDOSE at POINT A vs. as D90 IN IMAGE GUIDED ADAPTIVE BT
1009

Slide Number 33
1010

Acknowledgements Gyn GEC ESTRO networkEMBRACE study and research group, ICRU report committee
1011

26.KT_Embrace and GYN network RP KT Toronto_final
1012

GEC-ESTRO gyn network and EMBRACE I and II
1012

Gyn GEC ESTRO NETWORK R&D, Educ. since 5/2005, coordinator Medical Uni.Vienna and Aarhus Uni.Hosp.
1013

RetroEMBRACE
1014

EMBRACE study
1015

Slide Number 5
1016

EMBRACE II design
1017

EMBRACE II interventions
1018

EMBRACE II dose prescription
1019

EMBRACE II interventions
1020

Vaginal dose de-escalation
1021

EMBRACE II interventions
1022

IMRT + daily IGRT
1023

EMBRACE II interventions
1024

Target concept related to primary tumour
1025

Workflow target contouring
1026

Internal target volume
1027

EMBRACE II interventions
1028

EBRT dose prescription
1029

EMBRACE II interventions
1030

Target concept related to elective lymph nodes
1031

Target concept related to elective lymph nodes
1032

EMBRACE II interventions
1033

Administration of chemotherapy in EMBRACE I
1034

EMBRACE II interventions
1035

Control of OTT: 3 examples of schedules
1036

Accreditation and dummy run for new centers
1037

Accreditation and dummy run for new centers
1038

Roadmap EMBRACE II
1039

Information about EMBRACE, retro-EMBRACE and 3D Gyn GEC ESTRO network
1040

27.Tips_and_tricks_RP-DB-UM_Toronto
1041

Slide Number 1
1041

Slide Number 2
1042

Slide Number 3
1043

Slide Number 4
1044

Slide Number 5
1045

Slide Number 6
1046

Slide Number 7
1047

DOWN THE DECADES CANCER CERVIX : TATA MEMORIAL HOSPITAL 1941-2010
1048

Slide Number 9
1049

Slide Number 10
1050

Slide Number 11
1051

Slide Number 12
1052

Slide Number 13
1053

Slide Number 14
1054

Slide Number 15
1055

Slide Number 16
1056

Slide Number 17
1057

Slide Number 18
1058

Slide Number 19
1059

Slide Number 20
1060

Slide Number 21
1061

Slide Number 22
1062

Dosimetric Comparison (1# BT)
1063

Slide Number 24
1064

Slide Number 25
1065

Slide Number 26
1066

Slide Number 27
1067

Slide Number 28
1068

Slide Number 29
1069

Slide Number 30
1070

Slide Number 31
1071

Slide Number 32
1072

Slide Number 33
1073

Slide Number 34
1074

Train Your Contouring and passyour knowledge to your friends ;)
1075

Slide Number 36
1076

28.Wiebe EdmontonEstro-CaroCOP_EW
1077

MR-based Brachytherapy for Cervical Cancer
1077

Cross Cancer Institute
1078

MR-BT at CCI
1079

Current workflow for MR-BT
1080

The Team (2007 – present)
1081

Radiotherapy for Cervix Ca
1082

Slide Number 7
1083

Bulky Tumour, Partial Response
1084

Implementation of MR-BT
1085

What helped
1086

What helped
1087

Current Topics of Interest
1088

Future opportunities?
1089

Slide Number 14
1090

Milestones
1091

29.Velker London Experience MR Guided Cervix Brachytherapy
1092

MR Guided Cervix Brachytherapy:London Experience
1092

London….Ontario
1093

London Ontario Brachytherapy Program
1094

Dose and fractionation
1095

Brachytherapy Work flow (Implant #1)
1096

Brachytherapy Work flow (Implant #2)
1097

MR utilization
1098

MR guided planning
1099

“Hybrid” Interstitial
1100

Slide Number 10
1101

Challenges
1102

Current refinements in progress
1103

Thank you
1104

MR Guided Cervix Brachytherapy:London Experience
1105

30.Contouring Study Proposal_EL APRIL 6
1106

Canadian Interstitial Brachytherapy Contouring Study:Vaginal Tumours
1106

SunnybrookGYN Interstitial Brachytherapy
1107

Interstitial Brachytherapy
1108

3D Imaging
1109

Contouring Variability
1110

Contouring Study
1111

Methods
1112

Collaboration
1113

Definitions
1114

Contouring Variability
1115

Slide Number 11
1116

Slide Number 12
1117

Methods
1118

Slide Number 14
1119