PURPOSE: Computed tomography ventilation imaging derived from four-dimensional cone beam CT (CTVI4DCBCT ) can complement existing 4DCT-based methods (CTVI4DCT ) to track lung function changes over a course of lung cancer ...
Yamamoto, T; Kabus, S; Bal, M; Keall, P; Benedict, S; Daly, M
BACKGROUND AND PURPOSE: Radiotherapy that selectively avoids irradiating highly-functional lung regions may reduce pulmonary toxicity. We report on the first clinical implementation and patient treatment of lung functional ...
Paganelli, C; Lee, D; Greer, PB; Baroni, G; Riboldi, M; Keall, P
The quantification of tumor motion in sites affected by respiratory motion is of primary importance to improve treatment accuracy. To account for motion, different studies analyzed the translational component only, without ...
BACKGROUND AND PURPOSE: Real time adaptive radiotherapy that enables smaller irradiated volumes may reduce pulmonary toxicity. We report on the first patient treatment of electromagnetic-guided real time adaptive radiotherapy ...
Yamamoto, T; Kabus, S; Lorenz, C; Mittra, E; Hong, JC; Chung, M; Eclov, N; To, J; Diehn, M; Loo, BW Jr; Keall, P
PURPOSE: 4-dimensional computed tomography (4D-CT)-based pulmonary ventilation imaging is an emerging functional imaging modality. The purpose of this study was to investigate the physiological significance of 4D-CT ...
Yang, J; Yamamoto, T; Pollock, S; Berger, J; Diehn, M; Graves, EE; Loo, BW Jr; Keall, P
BACKGROUND AND PURPOSE: The impact of audiovisual (AV) biofeedback on four dimensional (4D) positron emission tomography (PET) and 4D computed tomography (CT) image quality was investigated in a prospective clinical trial ...
Huang, CY; Tehrani, JN; Ng, JA; Booth, J; Keall, P
PURPOSE: Tumor positional uncertainty has been identified as a major issue that deteriorates the efficacy of radiation therapy. Tumor rotational movement, which is not well understood, can result in significant geometric ...
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