by Team NovaGray | Mar 24, 2022 | Radiotherapy techniques
SHORT VERSION After treatment simulation and image acquisition of the body parts concerned by the treatment (simulation CT scan), dosimetry is the step in which a medical physicist calculates how to deliver the dose prescribed by the radiation oncologist. Dosimetry is...
by Team NovaGray | Mar 23, 2022 | Radiotherapy techniques
SHORT VERSION In stereotactic radiotherapy, the patient receives very high doses (6 to 20 Gy per session) but only for few sessions (1 to 10). Different immobilization devices are used to limit the patient’s movements during the session in order to avoid high...
by Team NovaGray | Mar 23, 2022 | Radiotherapy techniques
SHORT VERSION There are two main types of radiation therapy: – external radiation therapy – internal radiation therapy (brachytherapy) External radiation therapy uses a linear particle accelerator to create a beam of radiation that passes through the skin...
by Team NovaGray | Jan 10, 2022 | Radiotherapy techniques
SHORT VERSION Cyberknife® is a robotic stereotactic radiation therapy device: a miniature linear accelerator is embeded on the robotic arm that can move in the three dimensions around the patient with six degrees of freedom. This device is used to treat hard-to-reach...
by Team NovaGray | Jan 10, 2022 | Radiotherapy techniques
SHORT VERSION Proton therapy is a radiotherapy technique that uses a proton beam, unlike conventional radiotherapy machines that use an electron beam. It is a very precise technique that allowsthe delivery of higher radiation doses to the tumor, while sparing the...
by Team NovaGray | Jan 10, 2022 | Radiotherapy techniques
SHORT VERSION Tomotherapy allows the precise tumor targeting by radiation Tomotherapy allows the precise tumor targeting by radiation through the daily repositioning of the patient before irradiation using CT imaging. In this radiotherapy technique, the radiation beam...
