Elizabeth Escobar-Peralta, Department of Radiotherapy, Centro Médico Nacional 20 de Noviembre, Instituto de Seguridad y Servicios Sociales para los Trabajadores del Estado (ISSSTE), Mexico City, Mexico
Rebeca Gil-García, Department of Radiotherapy, Hospital Juárez de México. Mexico City, Mexico
Abril A. Quezada-Bautista, Department of Radiotherapy, Hospital Juárez de México. Mexico City, Mexico
Otoniel López-Riverol, Department of Radiotherapy, Hospital Juárez de México. Mexico City, Mexico


Nowadays, technology has evolved considerably, and has made radiotherapy a sophisticated treatment due to it use high-precision equipment and advanced imaging techniques that guarantee an exact treatment that is reflected in the control of the disease with decrease in the toxicity that was previously present, and this is important because 60-70% of cancer patients will require this treatment at some point in the evolution of the disease. Among the new equipment to provide radiotherapy, there is the helical tomotherapy, which is a linear accelerator with many dosimetric advantages for the administration of treatment. To carry out this procedure, a series of steps are required from the assessment consultation by the radiation oncologist until the end of the treatment.



Keywords: Radiotherapy. Tomotherapy. Oncology. Hypofractionated radiation therapy.