Isfahan University of Medical Sciences Journal of Isfahan Medical School 1027-7595 34 380 2016 05 21 Evaluation and Comparison of Various Treatment Plannings for Ovarian Cancer Involving the Abdominal Area Evaluation and Comparison of Various Treatment Plannings for Ovarian Cancer Involving the Abdominal Area 430 435 14932 FA Tahereh Hadisi-Nia MSc Student, Department of Medical Physics and Engineering, School of Medicine AND Student Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran Keyvan Jabbari Associate Professor, Department of Medical Physics and Engineering, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran Alireza Amouheidari Radiation Oncologist, Department of Radiation-Oncology, Isfahan Milad Hospital, Isfahan, Iran 0000-0001-5329-9438 Maryam Maleki MSc Student, Department of Medical Physics and Engineering, School of Medicine AND Student Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran Journal Article 2016 01 06 Background: Radiation therapy is used to treat and control advanced ovarian cancer with spread to abdominal peritoneum. In this study, a comparison between various plans of radiation therapy within the abdomen and pelvis was performed in order to achieve an effective treatment response.Methods: Contouring and planning of 20 patients with CT-scan of the abdomen and pelvis were done by TiGRT software. In order to compare the different types of treatment planning for the selected site, some common criteria in radiotherapy and H-index were used.Findings: Among these methods, it was found that the two methods of anterior-posterior and lateral with 18 MV energy and same weight have same level of protection of organs at risk. While the tangent method do not produce a reasonable result. Moreover in anterior- posterior method can be shown that the changing in energy and beam weight give a various results from PTV covering and dose uniformity aspects.Conclusion: Among the various treatment planning were seen that AP/PA with AP = 6MV energy and weight 1, PA = 18 MV and weight 1.5, for covering whole abdomen give a better results. Background: Radiation therapy is used to treat and control advanced ovarian cancer with spread to abdominal peritoneum. In this study, a comparison between various plans of radiation therapy within the abdomen and pelvis was performed in order to achieve an effective treatment response.Methods: Contouring and planning of 20 patients with CT-scan of the abdomen and pelvis were done by TiGRT software. In order to compare the different types of treatment planning for the selected site, some common criteria in radiotherapy and H-index were used.Findings: Among these methods, it was found that the two methods of anterior-posterior and lateral with 18 MV energy and same weight have same level of protection of organs at risk. While the tangent method do not produce a reasonable result. Moreover in anterior- posterior method can be shown that the changing in energy and beam weight give a various results from PTV covering and dose uniformity aspects.Conclusion: Among the various treatment planning were seen that AP/PA with AP = 6MV energy and weight 1, PA = 18 MV and weight 1.5, for covering whole abdomen give a better results. https://jims.mui.ac.ir/article_14932_c08ae30017dd59ab94acc5eb90d0920b.pdf