000007555 001__ 7555 000007555 005__ 20240124114246.0 000007555 0247_ $$2DOI$$a10.6083/qb98mf99w 000007555 037__ $$aETD 000007555 245__ $$aPreliminary investigation into electron beam lensing utilizing beveled cerrobend geometries 000007555 260__ $$bOregon Health and Science University 000007555 269__ $$a2019 000007555 336__ $$aThesis 000007555 502__ $$bM.S. 000007555 520__ $$aThe purpose of this study is to investigate the feasibility of beveling the edges of small Cerrobend electron beam cutouts to provide clinically preferable dose distributions for small-size superficial lesions. This technique may be further developed in the future to create a device applicable for clinical use. 000007555 650__ $$aNeoplasms$$022758 000007555 650__ $$aRadiotherapy$$025116 000007555 6531_ $$aradiologic physics 000007555 691__ $$aSchool of Medicine$$041369 000007555 7001_ $$aLudewig, Harrison D. 000007555 8564_ $$970c87b02-2224-4654-8d4a-13f01fd65efe$$s3040438$$uhttps://digitalcollections.ohsu.edu/record/7555/files/ludewig.harrison.2019.pdf 000007555 905__ $$a/rest/prod/qb/98/mf/99/qb98mf99w 000007555 909CO $$ooai:digitalcollections.ohsu.edu:7555$$pstudent-work 000007555 980__ $$aTheses and Dissertations