Radiotherapy Planning for Esophageal Cancers

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Radiotherapy Planning for Esophageal Cancers

• Parag Sanghvi, MD, MSPH
• 9/12/07
• Esophageal 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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IMRT A 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