photon therapy
Megavoltage photon therapy Related posts: descriptors of the radionuclide imaging process Radiation treatment planning: immobilization, localization and verification techniques photon therapy trends Dentition
Principles and practice of radiation treatment planning
Introduction Patient data Megavoltage photon therapy Treatment beams Beam energy Asymmetric fields Isocentric plans Extended focus skin distance (FSD) plans Wedges Compensators Beam shaping devices Blocks Multileaf collimators (MLCs) Segmented…
images for planning
Multimodality images for planning CT imaging plays a crucial role in radiotherapy planning as it provides the electron density information that is required to correct the absorbed dose for the…
verification and image guided treatments
Portal verification and image guided treatments Related posts: descriptors of the radionuclide imaging process Radiation treatment planning: immobilization, localization and verification techniques photon therapy trends Dentition
typical head and neck CT simulation procedure
figure 9.7). The advantages of CT virtual simulation can be summarized as follows: • full 3D simulation allowing unique verification of beam coverage and avoidance in 3D • beams can…
simulation
3]. A physical simulator should have at least as good, or better, accuracy in positioning as the treatment unit and its mechanical tolerance must be excellent (e.g. an isocentre accuracy…
immobilization
Patient immobilization Related posts: descriptors of the radionuclide imaging process Radiation treatment planning: immobilization, localization and verification techniques photon therapy trends Dentition
Introduction
Introduction The treatment planning process consists of a series of patient-related work tasks that eventually result in a custom plan of the external beam treatment and will enable the radiation…
Radiation treatment planning: immobilization, localization and verification techniques
Introduction Patient immobilization Patient head shells Thermoplastic shells Non-shell fixation systems Stereotactic frames Body immobilization Volume definitions Non-CT contouring devices Physical simulation Localization Related posts: descriptors of the radionuclide imaging…
