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Can I read Constrained Non-Rigid (NR) Registration for Use in Aligning Critical Organs in External Beam Radiotherapy (EBRT) for Prostate Cancer on EtoBox?
Constrained Non-Rigid (NR) Registration for Use in Aligning Critical Organs in External Beam Radiotherapy (EBRT) for Prostate Cancer by Greene, W.H.; Chelikani, S.; Papademetris, X.; Knisely, J.P.S.; Duncan, J.S. is a Medicine article available to read on EtoBox.
What is Constrained Non-Rigid (NR) Registration for Use in Aligning Critical Organs in External Beam Radiotherapy (EBRT) for Prostate Cancer about?
Purpose/Objective(s): Accurate knowledge of the prostate, rectum, and bladder is critical in prostate EBRT. In order to accurately align the critical organs, a free-form deformation (FFD) registration algorithm with NR organ constraints is presented to estimate the injective transformation between the planning day and treatment day spiral kV CT images. The ultimate objective is to use the estimated transformation to update the radiotherapy plan to take into account bone and soft tissue deformation. Materials/Methods: A hierarchical multi-resolution FFD model based on cubic b-splines was used to perform a NR registration constrained to the prostate, rectum, and bladder. The organ motion was determined offline and is described by an injective FFD. Six sets of patient data from two different patients were obtained for testing. Each patient had one planning day image and three treatment day images. Three different tests of the algorithm were run on the patient data. The first test (3C) held all three organs as constraints, the second test (2C) held two organs as constraints, and the third test (1C) held one organ as a constraint. The purpose of the three different tests was to determin
Who reads Constrained Non-Rigid (NR) Registration for Use in Aligning Critical Organs in External Beam Radiotherapy (EBRT) for Prostate Cancer?
It is typically read by researchers, students, and practitioners in Medicine.
- Author
- Greene, W.H.; Chelikani, S.; Papademetris, X.; Knisely, J.P.S.; Duncan, J.S.
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0360-3016)
- Published
- 2007
- Language
- EN
- Field
- Medicine (Health Sciences)
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