introduction: breast conserving radiotherapy is one of the most common procedures performed in any radiation oncology department. a tangential parallel-opposed pair is usually used for this purpose. this technique is performed using 2d or 3d treatment planning systems. the aim of this study was to compare 2d treatment planning with 3d treatment planning in tangential irradiation in breast conse...

Radiation therapy, an increasingly available and effective cancer treatment solution, involves sophisticated machinery as well as careful planning. Interactive 3D simulations combined with accurate 3D patient specific data can improve the planning process saving time and resources in generating the optimal treatment plan. We illustrate the potential of X3D in radiation therapy, specifically rad...

Introduction: The application of 3D volumetric imaging modalities in treatment planning of radiation therapy can provide more precisely define tumor localization, and computed tomography (CT) is the most common accepted method for treatment planning. Given the lack of a CT scanner stationed in all radiotherapy departments and equipping most of the medical linear accelerators wi...

Introduction: In radiation therapy, in order to double-check the dosimetric results of the main treatment planning system (TPS), a distinct TPS, with few capacitances in terms of contouring and a variety of dose calculation algorithms is used. This system has the capability to double check the planification and the accurate prediction of dose distribution in order to be ensured...

Introduction: The accuracy of dose calculation algorithm (DCA) is highly considered in the radiotherapy sequences. This study aims at assessing the accuracy of five dose calculation algorithms in tissue inhomogeneity corrections, based on the International Atomic Energy Agency TEC-DOC 1583. Material and Methods: A heterogeneous phantom was sc...

Advancement in treatment delivery techniques in external beam radiation therapy has significantly improved the conformal radiation dose distributions to the tumor while reducing dose to the critical structures. Modern treatment techniques combined with sophisticated treatment planning systems have led to increase in the treatment planning studies in the recent years. In this article, we review ...

Noncoplanar radiation therapy treatment planning has the potential to improve dosimetric quality as compared traditional coplanar techniques. Likewise, automated algorithms can reduce a planner's active time and remove inter-planner variability. To address limitations of planning, we have been developing suite called station parameter optimized (SPORT). Within SPORT algorithms, propose method N...