Electron beam port films.
Portal localization films are taken in order to assure the accurate placement of the treatment field relative to the patient anatomy. This is routinely done for photon fields and maybe for electron fields. This paper describes a technique which uses the bremsstrahlung component of an electron beam of energy 10 MeV and greater to expose a film to image a treatment port. These films provide verification of the placement of the electron field and document the treatment of a specific area.
Grimm
D F
DF
Medical College of Wisconsin, Department of Radiation Oncology, Milwaukee 53226.
Gillin
M T
MT
Kline
R W
RW
Janjan
N
N
D004583:Electrons; D006801:Humans; D010781:Photography; D011882:Radiotherapy, High-Energy; D014962:X-Ray Film