Search Results - "Schwedas, Michael"
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A multi-institutional survey evaluating patient related QA – phase II
Published in Current directions in biomedical engineering (01-09-2017)“…In phase I of the survey a planning intercomparison of patient-related QA was performed at 12 institutions. The participating clinics created phantom based…”
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Experimental Determination of Peripheral Doses for Different IMRT Techniques Delivered by a Siemens Linear Accelerator
Published in Strahlentherapie und Onkologie (01-02-2008)“…Purpose: To quantify the relative peripheral doses (PD) to healthy tissues outside the treated region for different intensity-modulated radiotherapy (IMRT)…”
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Cost–benefit ratio of modern medical education using micro-costing: a model calculation using the example of an innovative breast brachytherapy workshop
Published in Strahlentherapie und Onkologie (01-04-2024)“…Background and purpose Radiation oncology is an essential component of therapeutic oncology and necessitates well-trained personnel. Multicatheter…”
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Low doses to the heart in daily practice for treating left-sided breast cancer using accelerated partial-breast irradiation by multicatheter brachytherapy and deep-inspiration breath-hold using a SIB
Published in Strahlentherapie und Onkologie (01-04-2023)“…Purpose The aim of this study was to analyze the heart dose for left-sided breast cancer that can be achieved during daily practice in patients treated with…”
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Development, implementation, and results of a simulation-based hands-on brachytherapy workshop for medical students
Published in Strahlentherapie und Onkologie (01-04-2023)“…Purpose The new Medical Licensing Regulations 2025 ( Ärztliche Approbationsordnung , ÄApprO) require the development of competence-oriented teaching formats…”
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Experimental and Monte Carlo-based determination of the beam quality specifier for TomoTherapyHD treatment units
Published in Zeitschrift für medizinische Physik (01-04-2018)“…Reference dosimetry by means of clinical linear accelerators in high-energy photon fields requires the determination of the beam quality specifier TPR20,10,…”
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Prostate cancer treated with image-guided helical TomoTherapy® and image-guided LINAC-IMRT: Correlation between high-dose bladder volume, margin reduction, and genitourinary toxicity
Published in Strahlentherapie und Onkologie (01-04-2016)“…Background We compared different image-guidance (IG) strategies for prostate cancer with high-precision IG intensity-modulated radiation therapy (IMRT) using…”
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A multi-institutional survey evaluating patient related QA – phase II: Inclusion of Mobius3D as a secondary dose verification tool – preliminary results
Published in Current directions in biomedical engineering (26-09-2017)“…In phase I of the survey a planning intercomparison of patient-related QA was performed at 12 institutions. The participating clinics created phantom based…”
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A multi-institutional initiative on patient-related quality assurance: Independent computational dose verification of fluence-modulated treatment techniques
Published in Zeitschrift für medizinische Physik (01-05-2020)“…This multi-institutional study investigates whether computational verification of fluence-modulated treatment plans using independent software with its own…”
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Patient-related quality assurance with different combinations of treatment planning systems, techniques, and machines: A multi-institutional survey
Published in Strahlentherapie und Onkologie (2017)“…Purpose This project compares the different patient-related quality assurance systems for intensity-modulated radiation therapy (IMRT) and volumetric-modulated…”
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Dosimetric quality assurance for intensity-modulated radiotherapy feasibility study for a filmless approach
Published in Strahlentherapie und Onkologie (01-07-2005)“…Test and comparison of various 2-D real-time detectors for dosimetric quality assurance (QA) of intensity-modulated radiotherapy (IMRT) with the vision to…”
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Experimental determination of peripheral photon dose components for different IMRT techniques and linear accelerators
Published in Zeitschrift für medizinische Physik (01-01-2009)“…To quantify the relative peripheral photon doses (PD) to healthy tissues outside the treated region for different IMRT technologies and linac head designs…”
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IMRT with compensators for head-and-neck cancers treatment technique, dosimetric accuracy, and practical experiences
Published in Strahlentherapie und Onkologie (01-10-2005)“…With three-dimensional conformal intensity-modulated radiotherapy (3D-c-IMRT) a heterogeneous dose distribution can be achieved in both planning treatment…”
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Radiophysical characteristics of different detectors for use in dosimetry
Published in Zeitschrift für medizinische Physik (2007)“…The present study investigated the radiophysical influences on the measurement of dosimetry basic data, attributable to field size, photon energy and detector…”
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IMRT with Compensators for Head-and-Neck Cancers: Treatment Technique, Dosimetric Accuracy, and Practical Experiences
Published in Strahlentherapie und Onkologie (01-12-2005)“…With three-dimensional conformal intensity-modulated radiotherapy (3D-c-IMRT) a heterogeneous dose distribution can be achieved in both planning treatment…”
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Strahlenphysikalische Einflussgrößen bei der Dosimetrie mit verschiedenen Detektortypen
Published in Zeitschrift für medizinische Physik (01-08-2007)“…Das Ziel der vorliegenden Arbeit besteht in der Untersuchung der bei der Messung dosimetrischer Basisdaten zu beachtenden strahlenphysikalischen Einflüsse, die…”
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VERIDOS: A new tool for quality assurance for intensity modulated radiotherapy
Published in Strahlentherapie und Onkologie (01-12-2002)“…The use of intensity modulated radiation fields needs an extended quality assurance concept. This consists of a linac related part and a case related part…”
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Improvement of the accuracy of the Laplace transform method for the determination of radiotherapy spectra of clinical linear accelerators
Published in Zeitschrift für medizinische Physik (2003)“…The present study focused on the reconstruction of the bremsstrahlung spectrum of a clinical linear accelerator from the measured transmission curve, with the…”
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Erhöhung der Genauigkeit der Laplace-Transformationsmethode zur Bestimmung des Bremsstrahlungsspektrums klinischer Linearbeschleuniger
Published in Zeitschrift für medizinische Physik (2003)“…Aufgabe dieser Arbeit ist die Rekonstruktion des Bremsstrahlungsspektrums eines klinischen Linearbeschleunigers aus der gemessenen Transmissionsfunktion mit…”
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Intensitätsmodulierte Strahlentherapie (IMRT) mit Kompensatoren
Published in Zeitschrift für medizinische Physik (2002)“…Die Bestrahlung mit intensitätsmodulierten Feldern ist sowohl mit statischen als auch mit dynamischen Methoden möglich. In unserer Klinik wurde die…”
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