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publications

Johann Schiefer

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Maletzki P, Schwab C, Markart P, Engeler D S, Schiefer J, Plasswilm L, Schmid H P. Late seed migration after prostate brachytherapy with Iod-125 permanent implants. Prostate Int 2018;.
   
Maletzki P, Schwab C, Markart P, Engeler D S, Schiefer J, Plasswilm L, Schmid H P. Late seed migration after prostate brachytherapy with Iod-125 permanent implants. Prostate Int 2017; 6:66-70.
   
Schiefer J, Ingulfsen N, Kluckert J, Peters S, Plasswilm L. Measurements of isocenter path characteristics of the gantry rotation axis with a smartphone application. Med Phys 2015; 42:1184-92.
   
Schiefer J. Design and implementation of a "cheese" phantom-based Tomotherapy TLD dose intercomparison. Strahlentherapie und Onkologie 2015; 191:855-861.
   
Engeler D S, Schwab C, Thöni A F, Hochreiter W, Prikler L, Suter S, Stucki P, Schiefer J, Plasswilm L, Schmid H P, Putora P M. PSA bounce after (125)I-brachytherapy for prostate cancer as a favorable prognosticator. Strahlenther Onkol 2015; 191:787-791.
   
Engeler D S, Schwab C, Thöni A, Hochreiter W, Prikler L, Suter S, Stucki P, Schiefer J, Plasswilm L, Schmid H P, Putora P M. PSA bounce after 125J-brachytherapy for prostate cancer as a favorable prognosticator. Strahlenther Onkol 2015; 191:787-91.
   
Schmid H P, Schiefer J, Plasswilm L. Strahlenquellen im Körper bekämpfen den Prostatakrebs. Ostschweiz am Sonntag 2015; 35:19.
   
Maletzki P, Markart P, Engeler D S, Schiefer J, Plasswilm L, Schmid H P, Schwab C. Späte Seed-Migration nach LDR-Brachytherapie der Prostata mit J-125 Permanentimplantaten. J Urol Urogynäkol 2015; 22:4-9.
   
Schmid H P, Plasswilm L, Schiefer J. Strahlenquellen im Körper bekämpfen den Prostatakrebs. DUO 2015;14-7.
   
Schiefer J. A treatment planning study comparing Elekta VMAT and fixed field IMRT using the varian treatment planning system eclipse. Radiation Oncology 2014; 9:.
   
Schwab C, Maletzki P, Markart P, Engeler D S, Schiefer J, Plasswilm L, Schmid H P. Seed-Migration nach LDR-Brachytherapie der Prostata mit Jod-125-Permanentimplantaten. J Urol Urogynäkol, 21 (Sonderheft 4):25 2014;25.
   
Schwab C, Maletzki P, Markart P, Engeler D S, Schiefer J, Plasswilm L, Schmid H P. Späte Seed-Migration nach LDR-Brachytherapie der Prostata mit J-125 Permanentimplantaten. Urologe, 53 (suppl 1):92 2014;92.
   
Buchauer K, Henke G, Schiefer J, Plasswilm L. Surface dose characterisation of the Varian Ir-192 HDR conical surface applicator set with a vertically orientated source. Strahlenther Onkol 2014; 190:1163-8.
   
Putora P M, Plasswilm L, seelentag w, Schiefer J, Markart P, Schmid H P, Engeler D. Re-implantation after insufficient primary 125-i permanent prostate brachytherapy. Radiat Oncol 2013; 8:194.
   
Putora P M, Plasswilm L, seelentag w, Schiefer J, markart p, Schmid H P, Engeler D S. Re-implantation after insufficient primary 125-I permanent prostate brachytherapy. Radiat Oncol 2013; 8:194.
   
Breithuth F, Schiefer J, Arn M, Peters S, seelentag w. Determination of the source dwell position of an afterloading device with a detector array. J Radiat Oncol Inform 2011;3:1:12-24 2011;.
   
Schiefer J, Fogliata A, Nicolini G, Cozzi L, seelentag w, Born E, Hasenbalg F, Roth J, Schnekenburger B, Münch-Berndl K, Vallet V, Pachoud M, Reiner B, Dipasquale G, Krusche B, Fix M K. The Swiss IMRT dosimetry intercomparison using a thorax phantom. Med Phys 2010; 37:4424-31.
   
Schiefer J, vontoggenburg f, seelentag w, Plasswilm L, Ries G, Lenggenhager C, Schmid H P, Leippold T, Prikler L, Krusche B, Roth J, Engeler D S. Exposure of treating physician to radiation during prostate brachytherapy using iodine-125 seeds: dose measurements on both hands with thermoluminescence dosimeters. Strahlentherapie und Onkologie : Organ der Deutschen Röntgengesellschaft ... [et al] 2009; 185:689-95.
   
Schiefer J, vontoggenburg f, seelentag w, Plasswilm L, Ries G, Schmid H P, Leippold T, Krusche B, Roth J, Engeler D S. Topological methods for the comparison of structures using LDR-brachytherapy of the prostate as an example. Physics in medicine and biology 2009; 54:4959-70.
   
Schiefer J. Prüfung und Kalibration der MLC-Positionierung mit einem portalen Bildgebungssystem. Zeitschrift für Medizinische Physik 2008; 18:51-58.
   
Schiefer J, seelentag w, Roth J, Krusche B. [MLC positioning checks and calibration with a portal imaging system]. Zeitschrift für medizinische Physik 2008; 18:51-8.
   
Cozzi L, Nicolini G, Vanetti E, Clivio A, Glashörster M, Schiefer J, Fogliata A. Basic dosimetric verification in water of the anisotropic analytical algorithm for Varian, Elekta and Siemens linacs. Zeitschrift für medizinische Physik 2008; 18:128-35.
   
Schiefer J, & Plasswilm L (2017). Temperature dependent dose error of Gafchromic EBT3 and EBT-XD film and clinical relevance in SRT. In Buchauer K (Eds.), Radiotherapy and Oncology Vol.123 (pp. 807-808): Elsevier.
   
Schiefer J, Plasswilm L, & Henke G (2016). Vertical type surface brachytherapy applicator improvement with a 3d printed dose compensation body. In Buchauer K (Eds.), Radiotherapy and Oncology Vol.119 (pp. 954): Elsevier.
   
Buchauer K, Schiefer J, & Plasswilm L (2015). 3d printed dose compensation body to remove dose artifacts of a HDR Brachytherapy surface applicator of the vertical type. In Buchauer K (Eds.), SSRMP Annual Scientific Meeting 2015 Booklet (pp. 38): Schweizerische Gesellschaft für Strahlenbiologie und Medizinische Physik.
   
Buchauer K, Henke G, Plasswilm L, & Schiefer J (2015). The SSRMP Tomotherapy Dosimetry. In (pp. 1): -.
   
Buchauer K, hoeng l, Henke G, Schiefer J, & Plasswilm L (2014). Influence of Characteristic Surface Dose on Calibration and Clinical Use of the Varian IR-192 HDR Surface Applicator Set with Vertical Leipzig-Style Cones. In Buchauer K (Eds.), (pp. 1). Lugano: 18th Annual SASRO Meeting.
   
Schiefer J, & Buchauer K (2014). Metal artifacts correction algorithm for Siemens CT: MARIS. In (pp. 1): SASRO.
   
Buchauer K, Schiefer J, & Plasswilm L (2014). Scanning protocol improvements in Gafchromic EBT-x dosimetry. In Buchauer K (Eds.), http://www.postersessiononline.eu/pr/congreso.asp?cod=336742579.
   
Abt D, markart p, Schwab C, Engeler D S, Schiefer J, Plasswilm L, & Schmid H P (2013). Seed Migration nach LDR-Brachytherapie der Prostata mit J-125 Permanentimplantation. In (pp. 1): x.
   
naef g, Schiefer J, Peters S, Orvati C, & Plasswilm L (2012). Dosimetric Validation of Eclipse VMAT Plans for Elekta Units Using a Modified Octavius Verification Technique. In (pp. 133): SASRO.
   
Buchauer K, Schiefer J, & Plasswilm L (2012). Surface dose optimization of the Varian Ir-192 HDR surface applicator set. In Buchauer K (Eds.), SSRMP Annual Scientific Meeting 2012 Proceedings & Abstracts (pp. 26): SGSMP.
   
stolz a, Schiefer J, Collon J, naef g, Putora P M, seelentag w, & Plasswilm L (2011). Can the Number of Cone Beam CTs be Reduced Based on the Patient Displacements Applied in the first Therapy Week?. In SASRO 2011 final program (pp. 103).
   
Collon J, Schiefer J, stolz a, naef g, Putora P M, schneider m, Fretz C, & Plasswilm L (2011). A Training Method for Prostate Delineation Based on CT- and MR-Images. In SASRO 2011 final program (pp. 102).
   
Engeler D S, Putora P M, Plasswilm L, seelentag w, Schiefer J, & Schmid H P (2011). Reimplantation nach insuffizienter primärer I-125 LDR-Brachytherapie beim Prostatakarzinom. In Der Urologe, Supplement 1, 2011, p. 13.
   
Putora P M, fornaro j, Schiefer J, Brügge D, & Plasswilm L (2011). Radiotherapy Treatment Interruption Compensation Calculator for Android Based Mobile Devices. In SASRO 2011 final programm (pp. 16).
   
Putora P M, Engeler D S, preusser s, Markart P, vontoggenburg f, toepfer m, Collon J, Schiefer J, Schmid H P, & Plasswilm L (2010). Erectile Function Preservation after Therapy of Localized Prostate Cancer: I125 Prostate Seed Implant Brachytherapy Versus Radical Prostatectomy. In Final Program (pp. 57): SASRO.
   
Putora P M, Collon J, Schiefer J, toepfer m, & Plasswilm L (2010). Automated Erythema Quantification in Radiation Therapy: Feasibility of the Development of a Custom Java Tool. In Final Program (pp. 110): SASRO.
   
toepfer m, Wille N, Putora P M, Brügge D, Arn M, Schiefer J, & Plasswilm L (2010). Patterns of Failure and Toxicity after Intensity-Modulated Radiotherapy with Simultaneous Integrated Boost for Head and Neck Cancer. In Final Program SASRO 2010 (pp. 44). Bern: SASRO.
   
naef g, Arn M, stolz a, Schiefer J, Collon J, & Plasswilm L (2010). Three Irradiation Techniques for a Patient with Morbus Hodgkin Cancer in the Head and Thorax Regions. In Final Program (pp. 93): SASRO.
   
Engeler D S, Putora P M, Plasswilm L, seelentag w, Schiefer J, & Schmid H P (2010). Re-Implantation after Insufficient Primary 125-I Permanent Brachytherapy of Prostate Cancer. In Eur Urol Suppl 2010;9(2):205 (pp. 205): EAU.
   
Putora P M, Plasswilm L, seelentag w, Schiefer J, Schmid H P, & Engeler D S (2009). Re-Implantation after insufficient primary 125-I permanent brachytherapy of prostate cancer. In (pp. 112): SASRO.
   
Putora P M, Plasswilm L, seelentag w, Schiefer J, Schmid H P, & Engeler D S (2009). Re-Implantation after insufficient primary 125-I permanent brachytherapy of prostate cancer [Abstract]. In Strahlenther Onkol 185 9 (pp. 9): Springer.
   
Schiefer J, Buchauer K, & Heinze S (2016). Tomotherapy dosimetry intercomparison 2015. SSRMP Bulletin. Druckerei PSI: SSRMP.
   
Schiefer J, Buchauer K, & Heinze S (2016). Tomotherapy dosimetry intercomparison 2016. SSRMP Bulletin. Druckerei PSI: SSRMP-Bulletin.
   
Schiefer J, Buchauer K, & Heinze S (2014). Results of the TLD intercomparison 2014. SSRMP-Bulletin. Druckerei PSI: SSRMP.
   
Schiefer J (2014). Investigation of isocenter path characteristics of the gantry rotation with a smartphone application. Presented at SASRO Meeting – Lugano / 2014, Lugano.
   
Schiefer J, Ingulfsen N, Kluckert J, Peters S, Buchauer K, Putora P M, Henke G, & Plasswilm L (2014). Investigation of isocenter path characteristics of the gantry rotation with a smartphone application. Presented at 18th Annual SASRO meeting Lugano, Lugano.
   
Buchauer K, Schiefer J, & Plasswilm L (2013). Erste klinische Erfahrungen mit Tomotherapie in St. Gallen. Presented at 30. Jahrestagung der Österreichischen Gesellschaft für Radioonkologie, Bregenz.
   
Schiefer J (2013). VMAT planning for Elekta linacs in the Varian planning system Eclipse: a comparison study of VMAT plans with fixed field IMRT plans. Presented at annual meeting SASRO 2013, Davos.
   
Buchauer K, Schiefer J, & Plasswilm L (2013). Analyse der Oberflächendosisverteilung von Varian Ir-192 HDR Applikatoren des vertikalen Leipzig Typ. Presented at 30. Jahrestagung der Österreichischen Gesellschaft für Radioonkologie, Bregenz.
   
 
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