Refinement of Treatment Setup and Target Localization Accuracy Using Three-Dimensional Cone-Beam Computed Tomography for Stereotactic Body Radiotherapy

Article ID	Journal	Published Year	Pages	File Type
8236874	International Journal of Radiation OncologyBiologyPhysics	2009	7 Pages	PDF

Abstract

After localization based on superficial markings in patients undergoing SBRT, orthogonal kV imaging detects setup variations of approximately 3 to 4 mm in each direction. Cone-beam CT detects residual setup variations of approximately 2 to 3 mm.

Keywords

Extracranial radiosurgery Cone-beam CT Image-guided radiotherapy Stereotactic body radiotherapy Hypofractionation

Related Topics

Physical Sciences and Engineering Physics and Astronomy Radiation

Preview

Refinement of Treatment Setup and Target Localization Accuracy Using Three-Dimensional Cone-Beam Computed Tomography for Stereotactic Body Radiotherapy

Authors

Zhiheng Ph.D., John W. M.D., Sua Ph.D., Q. Jackie Ph.D., John P. M.D., Ph.D., Lawrence B. M.D., Fang-Fang Ph.D.,