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Yelin Suh and Paul Keall Stanford University - GSI

Yelin Suh and Paul Keall Stanford University - GSI

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4D treatment planning that accounts for 3D target motion<br />

by applying real-time dynamic MLC motion-tracking algorithm<br />

<strong>Suh</strong> et al. “4D IMRT treatment planning using a dynamic MLC<br />

motion-tracking algorithm,” Phys Med Biol 54: 3821-35, 2009<br />

* Accounting for 1D motion along the major axis was<br />

previously published.<br />

<strong>Suh</strong> et al. “A deliverable 4D IMRT planning method<br />

for dynamic MLC tumor tracking delivery,”<br />

Int J Radiat Oncol Biol Phys 71: 1526-36, 2008<br />

Robust to the variations of fractional time spent in phases within 4D CT<br />

Not optimal, but deliverable with currently available technology<br />

Clear path to clinical implementation by using the same algorithm<br />

between planning <strong>and</strong> delivery for determining MLC leaf sequences

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