More advanced linacs have the capability to deliver another type or radiotherapy treatment that is used to treat areas that are on, or close to the skin’s surface. This treatment uses electrons instead of high energy x-rays (photons).
To treat with electrons the radiographers will attach an electron applicator to the head of the treatment machine. They then have to place an insert into the end of this applicator that is specific to the exact shape and size required for each patient's treatment (See photo).
Reviewed: March 2015