Conference proceeding
Deformable anatomical templates for brachytherapy treatment planning in radiotherapy of cervical cancer
Proceedings of SPIE, Vol.3168(1), pp.147-154
10/20/1997
DOI: 10.1117/12.292779
Abstract
This paper describes a new method to register serial, volumetric x-ray computed tomography (CT) data sets for tracking soft-tissue deformation caused by insertion of intracavity brachytherapy applicators to treat cervical cancer. 3D CT scans collected from the same patient with and without a brachytherapy applicator are registered to aid in computation of the radiation dose to tumor and normal tissue. The 3D CT image volume of pelvic anatomy with the applicator. Initial registration is accomplished by rigid alignment of the pelvic bones and non-rigid alignment of gray scale CT data and hand segmentations of the vagina, cervix, bladder, and rectum. A viscous fluid transformation model is used for non-rigid registration to allow for local, non-linear registration of the vagina, cervix, bladder, and rectum without disturbing the rigid registration of the bony pelvis and adjacent structures. Results are presented in which two 3D CT data sets of the same patient - imaged with and without a brachytherapy applicator - are registered.
Details
- Title: Subtitle
- Deformable anatomical templates for brachytherapy treatment planning in radiotherapy of cervical cancer
- Creators
- Gary E Christensen - University of IowaJeffrey F Williamson - University of WashingtonK. S. C Chao - University of WashingtonMichael I Miller - University of WashingtonF. B So - University of WashingtonMichael W Vannier - University of Iowa
- Resource Type
- Conference proceeding
- Publication Details
- Proceedings of SPIE, Vol.3168(1), pp.147-154
- Publisher
- SPIE
- DOI
- 10.1117/12.292779
- ISSN
- 0277-786X
- Language
- English
- Date published
- 10/20/1997
- Academic Unit
- Electrical and Computer Engineering; Radiation Oncology; Radiation Research Laboratory; The Iowa Institute for Biomedical Imaging; Advanced Pulmonary Physiomic Imaging Laboratory; Holden Comprehensive Cancer Center
- Record Identifier
- 9984197331902771
Metrics
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