System Solution for In-Beam Positron Emission Tomography Monitoring of Radiation Therapy
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Beschreibung
In-beam Positron Emission Tomography (PET) is a system for monitoring high precision radiation therapy which is in the most cases applied to the tumors near organs at risk. High quality and fast availability of in-beam PET images are, therefore, extremely important for successful verification of the dose delivery. Two main problems make an in-beam PET monitoring a challenging task. Firstly, in-beam PET measurements result in a very low counting statistics. Secondly, an integration of the PET scanner into the treatment facility requires significant reduction of the sensitive surface of the scanner and leads to a dual-head form resulting in imaging artifacts. The aim of this work is to bring the imaging process by means of in-beam PET to optimum quality and time scale. The following topics are under consideration: analysis of image quality for in-beam PET; image reconstruction; solutions for building, testing, and integration of a PET monitoring system into the dedicated treatment facility.
Autor*in
Georgy Shakirin