The goal of modern radiotherapy is to deliver a lethal amount of dose to tissue volumes that contain a significant amount of tumour cells while sparing surrounding unaffected or healthy tissue. Online image guided radiotherapy with stereotactic ultrasound, fiducial-based planar X-ray imaging or helical/conebeam CT has dramatically improved the precision of radiotherapy, with moving targets still posing some methodical problems regarding positioning. Therefore, requirements for precise target delineation and identification of functional body structures to be spared by high doses become more evident. The identification of areas of relatively radioresistant cells or areas of high tumor cell density is currently under development. This review outlines the state of the art of MRI integration into treatment planning and its importance in follow up and the quantification of biological effects. Finally the current state of the art of online imaging for patient positioning will be outlined and indications will be given what the potential of integrated radiotherapy/online MRI systems is.

Review of potential improvements using MRI in the radiotherapy workflow / Torresin, A; Brambilla, Mg; Monti, Af; Moscato, A; Brockmann, Ma; Schad, L; Attenberger, Ui; Lohr, F. - In: ZEITSCHRIFT FUR MEDIZINISCHE PHYSIK. - ISSN 0939-3889. - 25:3(2015), pp. 210-220. [10.1016/j.zemedi.2014.11.003]

Review of potential improvements using MRI in the radiotherapy workflow

Lohr F
2015

Abstract

The goal of modern radiotherapy is to deliver a lethal amount of dose to tissue volumes that contain a significant amount of tumour cells while sparing surrounding unaffected or healthy tissue. Online image guided radiotherapy with stereotactic ultrasound, fiducial-based planar X-ray imaging or helical/conebeam CT has dramatically improved the precision of radiotherapy, with moving targets still posing some methodical problems regarding positioning. Therefore, requirements for precise target delineation and identification of functional body structures to be spared by high doses become more evident. The identification of areas of relatively radioresistant cells or areas of high tumor cell density is currently under development. This review outlines the state of the art of MRI integration into treatment planning and its importance in follow up and the quantification of biological effects. Finally the current state of the art of online imaging for patient positioning will be outlined and indications will be given what the potential of integrated radiotherapy/online MRI systems is.
2015
14-mar-2015
25
3
210
220
Review of potential improvements using MRI in the radiotherapy workflow / Torresin, A; Brambilla, Mg; Monti, Af; Moscato, A; Brockmann, Ma; Schad, L; Attenberger, Ui; Lohr, F. - In: ZEITSCHRIFT FUR MEDIZINISCHE PHYSIK. - ISSN 0939-3889. - 25:3(2015), pp. 210-220. [10.1016/j.zemedi.2014.11.003]
Torresin, A; Brambilla, Mg; Monti, Af; Moscato, A; Brockmann, Ma; Schad, L; Attenberger, Ui; Lohr, F
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1172488
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