Radiotherapy Planning for Esophageal Cancers
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Transcript of Radiotherapy Planning for Esophageal Cancers
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Radiotherapy Planning for
Esophageal CancersParag Sanghvi, MD, MSPH
9/12/07Esophageal Cancer Tumor Board
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MLC & Varian Trilogy
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Target
Organ-at-risk
Courtesy of M. Fuss
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3D-CRT
Courtesy of M. Fuss
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IMRTA highly simplified
graphic
Courtesy of M. Fuss
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IMRT
These pencil beams “see” only the target
No organ-at-risk radiation exposure
High reward no/low penalty Courtesy of M. Fuss
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IMRT
These pencil beams “see” more target than
organ-at-risk
Reward and penalty
Courtesy of M. Fuss
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IMRT
This pencil beams “sees” less target than
organ-at-risk
Low reward/high penalty Courtesy of M. Fuss
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IMRT
Courtesy of M. Fuss
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IMRT
Courtesy of M. Fuss
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3D-CRT IMRT
Improved tumor conformal dose planning and superior normal tissue sparing
Courtesy of M. Fuss
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IMRT in Esophageal Cancer
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3 D vs. IMRT
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IMRT
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IMRT
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IMRT
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IMRT