Fig. 1
From: Intraoperative radiation therapy (IORT) in pancreatic cancer
Intraoperative radiation Therapy with electrons (IOERT). Placement of an intraoperative electron beam applicator in a patient with pancreatic cancer. An applicator of appropriate size is chosen, manually positioned and attached to the table. Applicators are made of steel or plastic to restrict the radiation field laterally and are usually available in different sizes, shapes and bevel angles. Prior to irradiation, the axis of the applicator has to be aligned properly with axis of the LINAC in a defined distance. The dose is usually prescribed to the 90% isodose