Anal and Rectal Cancers - ASTRO

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Impact of PET on RT Planning • Evaluate interobserver variability in contouring rectal cancer cases • <strong>Rectal</strong> cancer volumes contoured by 4 radiation oncologists at Stanford – CT alone l – CT + PET
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Anal and Rectal Cancers: Anatomy, C
Page 3 and 4:
Learning Objectives Objectives •
Page 5 and 6:
Anatomy of the Rectum and Anus Meso
Page 7 and 8:
Nodal Drainage Patterns
Page 9 and 10: Nodal Anatomy External Iliac Nodes
Page 11: Nodal Anatomy
Page 15 and 16: 644 Anal SCC Patients 5-Year Rates
Page 17 and 18: • AP/PA - RTOG RT Technique - 30
Page 19 and 20: 180 patients 45 locoregional persis
Page 21 and 22: RTOG 0529: Dose Painted IMRT in Ana
Page 23 and 24: CTV A includes: • MMesorectallnod
Page 25 and 26: Ng M, Int J Radiat Oncol Biol Phys,
Page 27 and 28: Ng M, Int J Radiat Oncol Biol Phys,
Page 29 and 30: IMRT plan for Anal Cancer
Page 31 and 32: IMRT for Anal Cancer • 17 patient
Page 33 and 34: Multicenter Experience • 53 patie
Page 35 and 36: Potential Limitations of IMRT • H
Page 37 and 38: Simulation Set-up Set up CT Simulat
Page 39 and 40: Preoperative 5FU +5040cGy pelvic RT
Page 41 and 42: Dosimetric Benefit of IMRT for Rect
Page 43 and 44: Rectal Cancer - Target Definition
Page 45 and 46: IMRT v. CRT • 92 rectal cancer pt
Page 47 and 48: Indications for IMRT for Rectal Can
Page 49 and 50: Rectal Cancer - Radiation Technique
Page 51 and 52: IGRT and Motion Issues • Improvem
Page 53 and 54: Rectal MRI Mercury Study group, Bri
Page 55 and 56: MRI to Risk Stratify Rectal Cancer
Page 57 and 58: MRI as a Biomarker • Regression o
Page 59: PET for Treatment Planning
Page 63 and 64: Impact of PET on RT Planning • 20
Page 65 and 66: Rectal CBCT Study • On-board CBCT
Page 67 and 68: Degree of Rectal Deformation • IM
Page 69 and 70: Conclusions • IMRT reduces toxici
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Anal and Rectal Cancers - ASTRO

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