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Four-dimensional intensity-modulated radiation therapy planning for dynamic tracking using a direct aperture deformation (DAD) method
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10.1118/1.3319498
/content/aapm/journal/medphys/37/5/10.1118/1.3319498
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/37/5/10.1118/1.3319498

Figures

Image of FIG. 1.
FIG. 1.

The simulated tumor motion at ten phases (p0–p9) based on a 4D lung patient data.

Image of FIG. 2.
FIG. 2.

Comparison of the (a) and conformity index (b) values for target between the three schemes for the lung case.

Image of FIG. 3.
FIG. 3.

Dose distributions of individual phase (phase 3 for lung case) plan showed the target (red colorwash) dose coverage and conformity between the SHIFT (A1, A2), DAD (B1, B2), and IPO (C1, C2) schemes for the lung case.

Image of FIG. 4.
FIG. 4.

The DVHs of the nine individual plans for the SHIFT (thin solid), DAD (dashed), and IPO schemes (medium solid) for the lung case.

Image of FIG. 5.
FIG. 5.

Comparison of the (a) and conformity index (b) values for target between the three schemes for the pancreas case.

Image of FIG. 6.
FIG. 6.

Dose distributions of individual phase (phase 3 for pancreas case) plan showed the target (red colorwash) dose coverage and conformity between the SHIFT (A1, A2), DAD (B1, B2), and IPO (C1, C2) schemes for the pancreas case.

Image of FIG. 7.
FIG. 7.

The DVHs of the nine individual plans for the SHIFT (thin solid), DAD (dashed), and IPO schemes (medium solid) for the pancreas case.

Image of FIG. 8.
FIG. 8.

The DVHs of the 4D accumulated plans for the SHIFT (thin solid), DAD (dashed), and IPO schemes (medium solid) for the simulated lung case.

Tables

Generic image for table
TABLE I.

The target dosimetric comparison and the values between the three schemes for the lung case.

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TABLE II.

The OARs dosimetric/volumetric comparison and the values between the three schemes for the lung case.

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TABLE III.

The target dosimetric comparison and the values between the three schemes for the pancreas case.

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TABLE IV.

The OARs dosimetric/volumetric comparison and the values between the three schemes for the pancreas case.

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TABLE V.

The target and OAR dosimetric comparison and the values between the three schemes for simulated lung case.

Generic image for table
TABLE VI.

The percentage overlap between the target volumes obtained by shifting the target from the reference phase to the other phases in the SHIFT scheme and that contoured by the physician for the respective phases.

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/content/aapm/journal/medphys/37/5/10.1118/1.3319498
2010-04-09
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Four-dimensional intensity-modulated radiation therapy planning for dynamic tracking using a direct aperture deformation (DAD) method
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/37/5/10.1118/1.3319498
10.1118/1.3319498
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