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- Title
Reduced dose uncertainty in MRI-based polymer gel dosimetry using parallel RF transmission with multiple RF sources.
- Authors
Kim, Sang-Young; Baek, Hyeon-Man; Lee, Jung-Hoon; Kim, Dae-Hyun; Jung, Jin-Young; Lee, Do-Wan; Min, Jung-Whan; Park, Ji-Yeon; Lee, Seu-Ran; Choe, Bo-Young
- Abstract
In this work, we present the feasibility of using a parallel RF transmit with multiple RF sources imaging method (MultiTransmit imaging) in polymer gel dosimetry. Image quality and B field homogeneity was statistically better in the MultiTransmit imaging method than in conventional single source RF transmission imaging method. In particular, the standard uncertainty of R was lower on the MultiTransmit images than on the conventional images. Furthermore, the MultiTransmit measurement showed improved dose resolution. Improved image quality and B homogeneity results in reduced dose uncertainty, thereby suggesting the feasibility of MultiTransmit MR imaging in gel dosimetry.
- Subjects
RADIATION doses; POLYMER colloids; RADIATION dosimetry; RADIO frequency; FEASIBILITY studies; IMAGE quality analysis
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2014, Vol 302, Issue 1, p533
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-014-3232-9