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System Solution for In-Beam Positron Emission Tomography Monitoring of Radiation Therapy

Authors
Publisher
Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden
Publication Date
Keywords
  • Pet
  • Reconstruction
  • In-Beam
  • Radiation Therapy
  • Rekonstruktion
  • Strahlentherapie
  • Ddc:610
  • Rvk:Yr 2524
  • Rvk:Yr 3004
Disciplines
  • Medicine

Abstract

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.

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