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Thomas Bortfeld

This is a preview profile on BiomedExperts - the first literature-based scientific social network. It brings the right researchers together and allows them to collaborate online. Collexis and Dell provide the BiomedExperts network of +1.5 Million pre-calculated profiles free of charge to researchers worldwide.

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TOP 3
Spalke Tobias; Craft David; Bortfeld Thomas
Analyzing the main trade-offs in multiobjective radiation therapy treatment planning databases.
Nohadani Omid; Seco Joao; Martin Benjamin C; Bortfeld Thomas
Dosimetry robustness with stochastic optimization.
Vrancic Christian; Trofimov Alexei; Chan Timothy C Y; Sharp Gregory C; Bortfeld Thomas
Experimental evaluation of a robust optimization method for IMRT of moving targets.

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All Publications

2009: Spalke Tobias; Craft David; Bortfeld Thomas
Analyzing the main trade-offs in multiobjective radiation therapy treatment planning databases.
Physics in medicine and biology 2009;54(12):3741-54.
2009: Nohadani Omid; Seco Joao; Martin Benjamin C; Bortfeld Thomas
Dosimetry robustness with stochastic optimization.
Physics in medicine and biology 2009;54(11):3421-32.
2009: Vrancic Christian; Trofimov Alexei; Chan Timothy C Y; Sharp Gregory C; Bortfeld Thomas
Experimental evaluation of a robust optimization method for IMRT of moving targets.
Physics in medicine and biology 2009;54(9):2901-14.
2009: Unkelbach Jan; Bortfeld Thomas; Martin Benjamin C; Soukup Martin
Reducing the sensitivity of IMPT treatment plans to setup errors and range uncertainties via probabilistic treatment planning.
Medical physics 2009;36(1):149-63.
2008: Hong Theodore S; Craft David L; Carlsson Fredrik; Bortfeld Thomas R
Multicriteria optimization in intensity-modulated radiation therapy treatment planning for locally advanced cancer of the pancreatic head.
International journal of radiation oncology, biology, physics 2008;72(4):1208-14.
2008: Parodi Katia; Bortfeld Thomas; Haberer Thomas
Comparison between in-beam and offline positron emission tomography imaging of proton and carbon ion therapeutic irradiation at synchrotron- and cyclotron-based facilities.
International journal of radiation oncology, biology, physics 2008;71(3):945-56.
2008: Bortfeld Thomas; Craft David; Dempsey James F; Halabi Tarek; Romeijn H Edwin
Evaluating target cold spots by the use of tail EUDs.
International journal of radiation oncology, biology, physics 2008;71(3):880-9.
2008: MacDonald Shannon M; Safai Sairos; Trofimov Alexei; Wolfgang John; Fullerton Barbara; Yeap Beow Y; Bortfeld Thomas; Tarbell Nancy J; Yock Torunn
Proton radiotherapy for childhood ependymoma: initial clinical outcomes and dose comparisons.
International journal of radiation oncology, biology, physics 2008;71(4):979-86.
2008: Craft David; Bortfeld Thomas
How many plans are needed in an IMRT multi-objective plan database?
Physics in medicine and biology 2008;53(11):2785-96.
2008: Trofimov Alexei; Vrancic Christian; Chan Timothy C Y; Sharp Gregory C; Bortfeld Thomas
Tumor trailing strategy for intensity-modulated radiation therapy of moving targets.
Medical physics 2008;35(5):1718-33.
2008: Safai Sairos; Bortfeld Thomas; Engelsman Martijn
Comparison between the lateral penumbra of a collimated double-scattered beam and uncollimated scanning beam in proton radiotherapy.
Physics in medicine and biology 2008;53(6):1729-50.
2008: Monz M; Küfer K H; Bortfeld T R; Thieke C
Pareto navigation: algorithmic foundation of interactive multi-criteria IMRT planning.
Physics in medicine and biology 2008;53(4):985-98.
2007: Martin Benjamin C; Bortfeld Thomas R; Castañon David A
Accelerating IMRT optimization by voxel sampling.
Physics in medicine and biology 2007;52(24):7211-28.
2007: Craft David; Halabi Tarek; Shih Helen A; Bortfeld Thomas
An approach for practical multiobjective IMRT treatment planning.
International journal of radiation oncology, biology, physics 2007;69(5):1600-7.
2007: Thieke Christian; Küfer Karl-Heinz; Monz Michael; Scherrer Alexander; Alonso Fernando; Oelfke Uwe; Huber Peter E; Debus Jürgen; Bortfeld Thomas
A new concept for interactive radiotherapy planning with multicriteria optimization: first clinical evaluation.
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology 2007;85(2):292-8.
2007: Trofimov Alexei; Nguyen Paul L; Coen John J; Doppke Karen P; Schneider Robert J; Adams Judith A; Bortfeld Thomas R; Zietman Anthony L; Delaney Thomas F; Shipley William U
Radiotherapy treatment of early-stage prostate cancer with IMRT and protons: a treatment planning comparison.
International journal of radiation oncology, biology, physics 2007;69(2):444-53.
2007: Parodi Katia; Paganetti Harald; Shih Helen A; Michaud Susan; Loeffler Jay S; DeLaney Thomas F; Liebsch Norbert J; Munzenrider John E; Fischman Alan J; Knopf Antje; Bortfeld Thomas
Patient study of in vivo verification of beam delivery and range, using positron emission tomography and computed tomography imaging after proton therapy.
International journal of radiation oncology, biology, physics 2007;68(3):920-34.
2007: Unkelbach Jan; Chan Timothy C Y; Bortfeld Thomas
Accounting for range uncertainties in the optimization of intensity modulated proton therapy.
Physics in medicine and biology 2007;52(10):2755-73.
2007: Craft David; Süss Philipp; Bortfeld Thomas
The tradeoff between treatment plan quality and required number of monitor units in intensity-modulated radiotherapy.
International journal of radiation oncology, biology, physics 2007;67(5):1596-605.
2007: Seco J; Sharp G C; Turcotte J; Gierga D; Bortfeld T; Paganetti H
Effects of organ motion on IMRT treatments with segments of few monitor units.
Medical physics 2007;34(3):923-34.
2007: Parodi Katia; Paganetti Harald; Cascio Ethan; Flanz Jacob B; Bonab Ali A; Alpert Nathaniel M; Lohmann Kevin; Bortfeld Thomas
PET/CT imaging for treatment verification after proton therapy: a study with plastic phantoms and metallic implants.
Medical physics 2007;34(2):419-35.
2006: Paganetti Harald; Bortfeld Thomas; Delaney Thomas F
Neutron dose in proton radiation therapy: in regard to Eric J. Hall (Int J Radiat Oncol Biol Phys 2006;65:1-7).
International journal of radiation oncology, biology, physics 2006;66(5):1594-5; author reply 1595.
2006: Craft David L; Halabi Tarek F; Shih Helen A; Bortfeld Thomas R
Approximating convex pareto surfaces in multiobjective radiotherapy planning.
Medical physics 2006;33(9):3399-407.
2006: Halabi Tarek; Craft David; Bortfeld Thomas
Dose-volume objectives in multi-criteria optimization.
Physics in medicine and biology 2006;51(15):3809-18.
2006: Bortfeld Thomas
IMRT: a review and preview.
Physics in medicine and biology 2006;51(13):R363-79.
2006: Bortfeld Thomas; Paganetti Harald
The biologic relevance of daily dose variations in adaptive treatment planning.
International journal of radiation oncology, biology, physics 2006;65(3):899-906.
2006: Chan Timothy C Y; Bortfeld Thomas; Tsitsiklis John N
A robust approach to IMRT optimization.
Physics in medicine and biology 2006;51(10):2567-83.
2006: Censor Yair; Bortfeld Thomas; Martin Benjamin; Trofimov Alexei
A unified approach for inversion problems in intensity-modulated radiation therapy.
Physics in medicine and biology 2006;51(10):2353-65.
2006: Parodi Katia; Bortfeld Thomas
A filtering approach based on Gaussian-powerlaw convolutions for local PET verification of proton radiotherapy.
Physics in medicine and biology 2006;51(8):1991-2009.
2006: Jiang Steve B; Sharp Greg C; Neicu Toni; Berbeco Ross I; Flampouri Stella; Bortfeld Thomas
On dose distribution comparison.
Physics in medicine and biology 2006;51(4):759-76.
2005: Craft David; Halabi Tarek; Bortfeld Thomas
Exploration of tradeoffs in intensity-modulated radiotherapy.
Physics in medicine and biology 2005;50(24):5857-68.
2005: Nioutsikou E; Webb S; Panakis N; Bortfeld T; Oelfke U
Reconsidering the definition of a dose-volume histogram.
Physics in medicine and biology 2005;50(11):L17-19.
2005: Trofimov Alexei; Rietzel Eike; Lu Hsiao-Ming; Martin Benjamin; Jiang Steve; Chen George T Y; Bortfeld Thomas
Temporo-spatial IMRT optimization: concepts, implementation and initial results.
Physics in medicine and biology 2005;50(12):2779-98.
2005: Scherrer Alexander; Küfer Karl-Heinz; Bortfeld Thomas; Monz Michael; Alonso Fernando
IMRT planning on adaptive volume structures--a decisive reduction in computational complexity.
Physics in medicine and biology 2005;50(9):2033-53.
2005: Engelsman M; Sharp G C; Bortfeld T; Onimaru R; Shirato H
How much margin reduction is possible through gating or breath hold?
Physics in medicine and biology 2005;50(3):477-90.
2004: Bortfeld Thomas
Very high energy electromagnetically-scanned electron beams are an attractive alternative to photon IMRT. Against the proposition.
Medical physics 2004;31(7):1946-8.
2004: Pavel-Mititean Luciana M; Rowbottom Carl G; Hector Charlotte L; Partridge Mike; Bortfeld Thomas; Schlegel Wolfgang
A geometric model for evaluating the effects of inter-fraction rectal motion during prostate radiotherapy.
Physics in medicine and biology 2004;49(12):2613-29.
2004: Weber Damien C; Trofimov Alexei V; Delaney Thomas F; Bortfeld Thomas
A treatment planning comparison of intensity modulated photon and proton therapy for paraspinal sarcomas.
International journal of radiation oncology, biology, physics 2004;58(5):1596-606.
2004: Bortfeld Thomas; Jiang Steve B; Rietzel Eike
Effects of motion on the total dose distribution.
Seminars in radiation oncology 2004;14(1):41-51.
2004: Nill Simeon; Bortfeld Thomas; Oelfke Uwe
Inverse planning of intensity modulated proton therapy.
Zeitschrift für medizinische Physik 2004;14(1):35-40.
2003: Scholz Christian; Schulze Carsten; Oelfke Uwe; Bortfeld Thomas
Development and clinical application of a fast superposition algorithm in radiation therapy.
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology 2003;69(1):79-90.
2003: Trofimov Alexei; Bortfeld Thomas
Optimization of beam parameters and treatment planning for intensity modulated proton therapy.
Technology in cancer research & treatment 2003;2(5):437-44.
2003: Oelfke U; Bortfeld T
Optimization of physical dose distributions with hadron beams: comparing photon IMRT with IMPT.
Technology in cancer research & treatment 2003;2(5):401-12.
2003: Thieke Christian; Bortfeld Thomas; Niemierko Andrzej; Nill Simeon
From physical dose constraints to equivalent uniform dose constraints in inverse radiotherapy planning.
Medical physics 2003;30(9):2332-9.
2003: Kooy Hanne M; Schaefer Matthew; Rosenthal Skip; Bortfeld Thomas
Monitor unit calculations for range-modulated spread-out Bragg peak fields.
Physics in medicine and biology 2003;48(17):2797-808.
2003: Jiang Steve B; Pope Cynthia; Al Jarrah Khaled M; Kung Jong H; Bortfeld Thomas; Chen George T Y
An experimental investigation on intra-fractional organ motion effects in lung IMRT treatments.
Physics in medicine and biology 2003;48(12):1773-84.
2003: Trofimov Alexei; Bortfeld Thomas
Beam delivery sequencing for intensity modulated proton therapy.
Physics in medicine and biology 2003;48(10):1321-31.
2003: Suit Herman; Goldberg Saveli; Niemierko Andrzej; Trofimov Alexei; Adams Judith; Paganetti Harald; Chen George T Y; Bortfeld Thomas; Rosenthal Stanley; Loeffler Jay; Delaney Thomas
Proton beams to replace photon beams in radical dose treatments.
Acta oncologica (Stockholm, Sweden) 2003;42(8):800-8.
2002: Bortfeld Thomas; van Herk Marcel; Jiang Steve B
When should systematic patient positioning errors in radiotherapy be corrected?
Physics in medicine and biology 2002;47(23):N297-302.
2002: Claus Filip; Mijnheer Ben; Rasch Coen; Bortfeld Thomas; Fraass Benedick; De Gersem Werner; Wirtz Holger; Hoinkis Cordelia; Cho Byung Chul; Kwong Lai Wan Dora; Bae Hoonsik; Muller Karin; De Neve Wilfried
Report of a study on IMRT planning strategies for ethmoid sinus cancer.
Strahlentherapie und Onkologie : Organ der Deutschen Röntgengesellschaft ... [et al] 2002;178(10):572-6.
2002: Münter Marc W; Debus Jürgen; Hof Holger; Nill Simeon; Häring Peter; Bortfeld Thomas; Wannenmacher Michael
Inverse treatment planning and stereotactic intensity-modulated radiation therapy (IMRT) of the tumor and lymph node levels for nasopharyngeal carcinomas. Description of treatment technique, plan comparison, and case study.
Strahlentherapie und Onkologie : Organ der Deutschen Röntgengesellschaft ... [et al] 2002;178(9):517-23.
2002: Bortfeld Thomas; Jokivarsi Kimmo; Goitein Michael; Kung Jong; Jiang Steve B
Effects of intra-fraction motion on IMRT dose delivery: statistical analysis and simulation.
Physics in medicine and biology 2002;47(13):2203-20.
2002: Thieke Christian; Nill Simeon; Oelfke Uwe; Bortfeld Thomas
Acceleration of intensity-modulated radiotherapy dose calculation by importance sampling of the calculation matrices.
Medical physics 2002;29(5):676-81.
2002: Wesarg Stefan; Ebert Matthias; Bortfeld Thomas
Parker weights revisited.
Medical physics 2002;29(3):372-8.
2002: Thieke Christian; Bortfeld Thomas; Küfer Karl-Heinz
Characterization of dose distributions through the max and mean dose concept.
Acta oncologica (Stockholm, Sweden) 2002;41(2):158-61.
2001: Spies L; Partridge M; Groh B A; Bortfeld T
An iterative algorithm for reconstructing incident beam distributions from transmission measurements using electronic portal imaging.
Physics in medicine and biology 2001;46(8):N203-11.
2001: Spies L; Bortfeld T
Analytical scatter kernels for portal imaging at 6 MV.
Medical physics 2001;28(4):553-9.
2001: Spies L; Ebert M; Groh B A; Hesse B M; Bortfeld T
Correction of scatter in megavoltage cone-beam CT.
Physics in medicine and biology 2001;46(3):821-33.
2001: Oelfke U; Bortfeld T
Inverse planning for photon and proton beams.
Medical dosimetry : official journal of the American Association of Medical Dosimetrists 2001;26(2):113-24.
2000: Bortfeld T; Oelfke U; Nill S
What is the optimum leaf width of a multileaf collimator?
Medical physics 2000;27(11):2494-502.
2000: Oelfke U; Bortfeld T
Intensity modulated radiotherapy with charged particle beams: studies of inverse treatment planning for rotation therapy.
Medical physics 2000;27(6):1246-57.
2000: Spies L; Evans P M; Partridge M; Hansen V N; Bortfeld T
Direct measurement and analytical modeling of scatter in portal imaging.
Medical physics 2000;27(3):462-71.
2000: Schneider W; Bortfeld T; Schlegel W
Correlation between CT numbers and tissue parameters needed for Monte Carlo simulations of clinical dose distributions.
Physics in medicine and biology 2000;45(2):459-78.
1999: Keller-Reichenbecher M A; Bortfeld T; Levegrün S; Stein J; Preiser K; Schlegel W
Intensity modulation with the "step and shoot" technique using a commercial MLC: a planning study. Multileaf collimator.
International journal of radiation oncology, biology, physics 1999;45(5):1315-24.
1999: Bortfeld T; Oelfke U
CT reconstruction from fan data using parallel backprojection.
Medical physics 1999;26(9):2036.
1999: Bortfeld T; Oelfke U
Fast and exact 2D image reconstruction by means of Chebyshev decomposition and backprojection.
Physics in medicine and biology 1999;44(4):1105-20.
1999: Oelfke U; Bortfeld T
Inverse planning for x-ray rotation therapy: a general solution of the inverse problem.
Physics in medicine and biology 1999;44(4):1089-104.
1999: Bortfeld T
Optimized planning using physical objectives and constraints.
Seminars in radiation oncology 1999;9(1):20-34.
1998: Debus J; Fuss M; Engenhart-Cabillic R; Holz F; Pastyr O; Rhein B; Bortfeld T; Wannenmacher M
[Stereotactic conforming irradiation of choroid metastases]
Der Ophthalmologe : Zeitschrift der Deutschen Ophthalmologischen Gesellschaft 1998;95(3):163-7.
1998: Preiser K; Bortfeld T; Hartwig K; Schlegel W; Stein J
[Inverse radiotherapy planning for intensity modulated photon fields]
Der Radiologe 1998;38(3):228-34.
1997: Bortfeld T
An analytical approximation of the Bragg curve for therapeutic proton beams.
Medical physics 1997;24(12):2024-33.
1997: Gardey K U; Bortfeld T; Schlegel W; Rhein B
A fast algorithm for the dose calculation of irregularly shaped fields in stereotactic convergent beam irradiation.
Physics in medicine and biology 1997;42(4):717-24.
1997: Stein J; Mohan R; Wang X H; Bortfeld T; Wu Q; Preiser K; Ling C C; Schlegel W
Number and orientations of beams in intensity-modulated radiation treatments.
Medical physics 1997;24(2):149-60.
1997: Debus J; Engenhart-Cabillic R; Holz F G; Pastyr O; Rhein B; Bortfeld T; Wannenmacher M
Stereotactic precision radiotherapy in the treatment of intraocular malignancies with a micro-multileaf collimator.
Frontiers of radiation therapy and oncology 1997;30():39-46.
1996: Dykstra C; Bortfeld T; Debus J; Lomax A; Harrop R; Schlegel W; Munkel G
Characterization of dose distribution in radiation therapy plans.
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology 1996;41(3):281-4.
1996: Bortfeld T; Schlegel W; Dykstra C; Levegrün S; Preiser K
Physical vs. biological objectives for treatment plan optimization.
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology 1996;40(2):185-7.
1996: Bortfeld T; Schlegel W
An analytical approximation of depth-dose distributions for therapeutic proton beams.
Physics in medicine and biology 1996;41(8):1331-9.
1996: Ling C C; Burman C; Chui C S; Kutcher G J; Leibel S A; LoSasso T; Mohan R; Bortfeld T; Reinstein L; Spirou S; Wang X H; Wu Q; Zelefsky M; Fuks Z
Conformal radiation treatment of prostate cancer using inversely-planned intensity-modulated photon beams produced with dynamic multileaf collimation.
International journal of radiation oncology, biology, physics 1996;35(4):721-30.
1995: Chen Z; Wang X; Bortfeld T; Mohan R; Reinstein L
The influence of scatter on the design of optimized intensity modulations.
Medical physics 1995;22(11 Pt 1):1727-33.
1994: Bortfeld T; Boyer A L; Schlegel W; Kahler D L; Waldron T J
Realization and verification of three-dimensional conformal radiotherapy with modulated fields.
International journal of radiation oncology, biology, physics 1994;30(4):899-908.
1994: Mohan R; Wang X; Jackson A; Bortfeld T; Boyer A L; Kutcher G J; Leibel S A; Fuks Z; Ling C C
The potential and limitations of the inverse radiotherapy technique.
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology 1994;32(3):232-48.
1994: Bortfeld T R; Kahler D L; Waldron T J; Boyer A L
X-ray field compensation with multileaf collimators.
International journal of radiation oncology, biology, physics 1994;28(3):723-30.
1993: Gademann G; Schlegel W; Debus J; Schad L; Bortfeld T; Höver K H; Lorenz W J; Wannenmacher M
Fractionated stereotactically guided radiotherapy of head and neck tumors: a report on clinical use of a new system in 195 cases.
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology 1993;29(2):205-13.
1993: Schlegel W; Pastyr O; Bortfeld T; Gademann G; Menke M; Maier-Borst W
Stereotactically guided fractionated radiotherapy: technical aspects.
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology 1993;29(2):197-204.
1993: Bortfeld T; Schlegel W; Rhein B
Decomposition of pencil beam kernels for fast dose calculations in three-dimensional treatment planning.
Medical physics 1993;20(2 Pt 1):311-8.
1993: Bortfeld T; Schlegel W
Optimization of beam orientations in radiation therapy: some theoretical considerations.
Physics in medicine and biology 1993;38(2):291-304.
1992: Schlegel W; Pastyr O; Bortfeld T; Becker G; Schad L; Gademann G; Lorenz W J
Computer systems and mechanical tools for stereotactically guided conformation therapy with linear accelerators.
International journal of radiation oncology, biology, physics 1992;24(4):781-7.
1990: Bortfeld T; Bürkelbach J; Boesecke R; Schlegel W
Methods of image reconstruction from projections applied to conformation radiotherapy.
Physics in medicine and biology 1990;35(10):1423-34.

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Thomas Bortfeld

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