Transmission Dose Estimation Algorithm for Irregularly Shaped Radiation Field / 대한방사선종양학회지
The Journal of the Korean Society for Therapeutic Radiology and Oncology
;
: 274-282, 2002.
Article
Dans Coréen
| WPRIM
| ID: wpr-81188
ABSTRACT
PURPOSE:
Measurement of transmission dose is useful for in vivo dosimetry. In this study, the algorithm for estimating the transmission dose for open radiation fields was modified for application to partially blocked radiation fields. MATERIALS ANDMETHODS:
The beam data was measured with a flat solid phantom with various blocked fields. A new correction algorithm for partially blocked radiation field was developed from the measured data. This algorithm was tested in some settings simulating clinical treatment with an irregular field shape.RESULTS:
The correction algorithm for the beam block could accurately reflect the effect of the beam block, with an error within +/-1.0%, with both square fields and irregularly shaped fields.CONCLUSION:
This algorithm can accurately estimate the transmission dose in most radiation treatment settings, including irregularly shaped field.
Texte intégral:
Disponible
Indice:
WPRIM (Pacifique occidental)
Type d'étude:
Étude pronostique
langue:
Coréen
Texte intégral:
The Journal of the Korean Society for Therapeutic Radiology and Oncology
Année:
2002
Type:
Article
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