Radiology Key

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…

Patient immobilization Related posts: descriptors of the radionuclide imaging process Radiation treatment planning: immobilization, localization and verification techniques photon therapy trends Dentition

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…

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…

Conclusion Linear accelerators have undoubtedly become the mainstay of radiotherapy delivery in the developed world with cobalt teletherapy machines providing simplicity and economic benefits in the less affluent parts of…

Commissioning new equipment Following the supply of a treatment machine, it is essential that the characteristics of the machine’s beams and the performance of the machine is established by measurement….

Chapter 4. Another significant aspect with regard to radiation protection is the room design described below. However, besides these aspects, there is a need for protection of the staff and…

Image guidance Megavoltage imaging to verify patient set-up and the location of critical tissue in relation to the radiation field has been carried out for many years with slow film….

Custom teletherapy machines Although the gantry mounted medical linear accelerator has found extensive use, there have been treatment techniques which have required the adaptation of the linear accelerator and also…