Medical Radiology and Radiation Safety. 2015. Vol. 60. No. 6. P. 54-59
DISCUSSION
V.A. Lisin1,2
Some Approaches to the Definition of the Concept of “Radiotherapy Interval” in Radiation Therapy for Cancer<
1. Tomsk Cancer Research Institute, Tomsk, Russia; 2. National Research Tomsk Polytechnic University, Tomsk, Russia, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
ABSTRACT
Purpose: To analyze the existing approaches to the definition of radiotherapy interval and to consider a more precise quantification of this concept.
Material and methods: Superficial tumors treated with X-rays and fast monoenergetic electrons were used as an example of estimation of a new approach to radiotherapy interval. The characteristics of the dose distributions for X-rays and fast monoenergetic electron beams generated by irradiating the superficial tumors were studied. Dependence of the radiotherapy interval on tumor size for X-rays and fast monoenergetic electron beam was determined by the calculation method. The algorithm for calculation corresponded to the new definition of radiotherapy interval.
Results: A new approach to the definition of radiotherapy interval removes uncertainty and contradictions that existed in the previous definition.
Key words: radiation therapy, radiotherapy interval, X-ray irradiation, fast electrons, dose distribution
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For citation: Lisin VA. Some Approaches to the Definition of the Concept of "Radiotherapy Interval" in Radiation Therapy for Cancer. Medical Radiology and Radiation Safety. 2015;60(6):54-9. Russian.