Phantom for moving organ dosimetry with gel

The displacements caused by the cardiac and respiratory motions cause smearing of the dose distribution that defeats the purpose of high precision radiotherapy. A phontom that holds a gel cylinder and radiochromic film, was designed and developed to simulate the respiratory motion in the superior an...

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Bibliographic Details
Published in:Journal of physics. Conference series 2009-05, Vol.164 (1), p.012057
Main Authors: Ravindran, Paul, Mahata, Anurupa, Babu, Ebenezer Suman
Format: Article
Language:English
Subjects:
Dosimeters
Galling
Movement
Physics
Radiation therapy
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Summary:The displacements caused by the cardiac and respiratory motions cause smearing of the dose distribution that defeats the purpose of high precision radiotherapy. A phontom that holds a gel cylinder and radiochromic film, was designed and developed to simulate the respiratory motion in the superior and inferior directions. The effect of lung movement on dose distribution was studied by exposing gel as well as a radiochromic film using the phantom. The results obtained with Gel was comparable to those obtained with the radiochromic films.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/164/1/012057