Search Results - "Frank-André Siebert"

Robust stochastic optimization of needle configurations for robotic HDR prostate brachytherapy by Gerlach, Stefan, Siebert, Frank‐André, Schlaefer, Alexander

“…Background Ideally, inverse planning for HDR brachytherapy (BT) should include the pose of the needles which define the trajectory of the source. This would be…”
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Brachytherapy structural shielding calculations using Monte Carlo generated, monoenergetic data by Zourari, K., Peppa, V., Ballester, Facundo, Siebert, Frank-André, Papagiannis, P.

“…Purpose: To provide a method for calculating the transmission of any broad photon beam with a known energy spectrum in the range of 20–1090 keV, through…”
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Imaging of implant needles for real-time HDR-brachytherapy prostate treatment using biplane ultrasound transducers by Siebert, Frank-André, Hirt, Markus, Niehoff, Peter, Kovács, György

“…Ultrasound imaging is becoming increasingly important in prostate brachytherapy. In high-dose-rate (HDR) real-time planning procedures the definition of the…”
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Head and neck 192Ir HDR-brachytherapy dosimetry using a grid-based Boltzmann solver by Frank-André Siebert, Wolf, Sabine, Kóvacs, George

“…Purpose: To compare dosimetry for head and neck cancer patients, calculated with TG-43 formalism and a commercially available grid-based Boltzmann solver…”
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Evaluation of dosimetric effects of metallic artifact reduction and tissue assignment on Monte Carlo dose calculations for 125 I prostate implants by Assam, Isong, Vijande, Javier, Ballester, Facundo, Pérez‐Calatayud, José, Poppe, Björn, Siebert, Frank‐André

“…PURPOSEMonte Carlo (MC) simulation studies, aimed at evaluating the magnitude of tissue heterogeneity in 125 I prostate permanent seed implant brachytherapy…”
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Image registration, contour propagation and dose accumulation of external beam and brachytherapy in gynecological radiotherapy by Swamidas, Jamema, Kirisits, Christian, De Brabandere, Marisol, Hellebust, Taran Paulsen, Siebert, Frank-André, Tanderup, Kari

“…•Rigid registration on applicator good for contour mapping and applicator reconstruction.•Current DIR algorithms are not yet robust enough to handle…”
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GEC-ESTRO ACROP recommendations for head & neck brachytherapy in squamous cell carcinomas: 1st update – Improvement by cross sectional imaging based treatment planning and stepping source technology by Kovács, György, Martinez-Monge, Rafael, Budrukkar, Ashwini, Guinot, Jose Luis, Johansson, Bengt, Strnad, Vratislav, Skowronek, Janusz, Rovirosa, Angeles, Siebert, Frank-André

“…Abstract The Head and Neck Working Group of the GEC-ESTRO (Groupe Européen de Curiethérapie – European Society for Therapeutic Radiology and Oncology)…”
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Review of clinical brachytherapy uncertainties: Analysis guidelines of GEC-ESTRO and the AAPM by Kirisits, Christian, Rivard, Mark J, Baltas, Dimos, Ballester, Facundo, De Brabandere, Marisol, van der Laarse, Rob, Niatsetski, Yury, Papagiannis, Panagiotis, Hellebust, Taran Paulsen, Perez-Calatayud, Jose, Tanderup, Kari, Venselaar, Jack L.M, Siebert, Frank-André

“…Abstract Background and purpose A substantial reduction of uncertainties in clinical brachytherapy should result in improved outcome in terms of increased…”
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Second primary cancers after radiation for prostate cancer: A systematic review of the clinical data and impact of treatment technique by Murray, Louise, Henry, Ann, Hoskin, Peter, Siebert, Frank-Andre, Venselaar, Jack

“…Abstract The development of a radiation induced second primary cancer (SPC) is one the most serious long term consequences of successful cancer treatment. This…”
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Surface brachytherapy: Joint report of the AAPM and the GEC‐ESTRO Task Group No. 253 by Fulkerson, Regina K., Perez‐Calatayud, Jose, Ballester, Facundo, Buzurovic, Ivan, Kim, Yongbok, Niatsetski, Yury, Ouhib, Zoubir, Pai, Sujatha, Rivard, Mark J., Rong, Yi, Siebert, Frank‐André, Thomadsen, Bruce R., Weigand, Frank

“…The surface brachytherapy Task Group report number 253 discusses the common treatment modalities and applicators typically used to treat lesions on the body…”
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A MC‐based anthropomorphic test case for commissioning model‐based dose calculation in interstitial breast 192‐Ir HDR brachytherapy by Peppa, Vasiliki, Thomson, Rowan M., Enger, Shirin A., Fonseca, Gabriel P., Lee, Choonik, Lucero, Joseph N. E., Mourtada, Firas, Siebert, Frank‐André, Vijande, Javier, Papagiannis, Panagiotis

“…Purpose To provide the first clinical test case for commissioning of 192Ir brachytherapy model‐based dose calculation algorithms (MBDCAs) according to the AAPM…”
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Evaluation of sentinel lymph node localization in malignant melanoma by preoperative semiconductor gamma camera and planar lymphoscintigraphy by Assam, Isong, Dierck, Simon P., Zhao, Yi, Jüptner, Michael, Siebert, Frank‐André, Zuhayra, Maaz, Lützen, Ulf

“…Introduction Performing lymphoscintigraphy in a separate room, frees up the conventional gamma camera, coupled with the desire to directly localize sentinel…”
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GEC-ESTRO/ACROP recommendations for quality assurance of ultrasound imaging in brachytherapy by Siebert, Frank-André, Kirisits, Christian, Hellebust, Taran Paulsen, Baltas, Dimos, Verhaegen, Frank, Camps, Saskia, Pieters, Bradley, Kovács, György, Thomadsen, Bruce

“…•Ultrasound (US) quality assurance (QA) is very important to achieving consistent, high quality, image-guided implants.•Ultrasound unit QA consists mostly…”
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H&N and Skin (HNS) GEC-ESTRO Working Group critical review of recommendations regarding prescription depth, bolus thickness and maximum dose in skin superficial brachytherapy with flaps and customized moulds by Gonzalez-Perez, Victor, Rembielak, Agata, Guinot, Jose Luis, Jaberi, Ramin, Lancellotta, Valentina, Walter, Renate, Zuchora, Anysja, Budrukkar, Ashwini, Kovács, György, Jürgenliemk-Schulz, Ina, Siebert, Frank-André, Tagliaferri, Luca

“…•Guidelines on skin superficial BT do not fully reflect the clinical practice of large tumors.•No dosimetry parameters-PROM relationships are found in skin…”
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AAPM WGDCAB Report 372: A joint AAPM, ESTRO, ABG, and ABS report on commissioning of model‐based dose calculation algorithms in brachytherapy by Beaulieu, Luc, Ballester, Facundo, Granero, Domingo, Tedgren, Åsa Carlsson, Haworth, Annette, Lowenstein, Jessica R., Ma, Yunzhi, Mourtada, Firas, Papagiannis, Panagiotis, Rivard, Mark J., Siebert, Frank‐André, Sloboda, Ron S., Smith, Ryan L., Thomson, Rowan M., Verhaegen, Frank, Fonseca, Gabriel, Vijande, Javier

“…The introduction of model‐based dose calculation algorithms (MBDCAs) in brachytherapy provides an opportunity for a more accurate dose calculation and opens…”
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A generic high-dose rate (192)Ir brachytherapy source for evaluation of model-based dose calculations beyond the TG-43 formalism by Ballester, Facundo, Carlsson Tedgren, Åsa, Granero, Domingo, Haworth, Annette, Mourtada, Firas, Fonseca, Gabriel Paiva, Zourari, Kyveli, Papagiannis, Panagiotis, Rivard, Mark J, Siebert, Frank-André, Sloboda, Ron S, Smith, Ryan L, Thomson, Rowan M, Verhaegen, Frank, Vijande, Javier, Ma, Yunzhi, Beaulieu, Luc

“…In order to facilitate a smooth transition for brachytherapy dose calculations from the American Association of Physicists in Medicine (AAPM) Task Group No. 43…”
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Guidelines by the AAPM and GEC-ESTRO on the use of innovative brachytherapy devices and applications: Report of Task Group 167 by Nath, Ravinder, Rivard, Mark J., DeWerd, Larry A., Dezarn, William A., Thompson Heaton, H., Ibbott, Geoffrey S., Meigooni, Ali S., Ouhib, Zoubir, Rusch, Thomas W., Siebert, Frank-André, Venselaar, Jack L. M.

“…Although a multicenter, Phase III, prospective, randomized trial is the gold standard for evidence-based medicine, it is rarely used in the evaluation of…”
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Three-dimensional reconstruction of seed implants by randomized rounding and visual evaluation by Siebert, Frank-André, Srivastav, Anand, Kliemann, Lasse, Fohlin, Helena, Kovács, György

“…The development of efficient 3D seed reconstruction algorithms is an ongoing and vivid research topic. Since the 1980s many publications about seed assignment…”
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Prostate post-implant dosimetry: Interobserver variability in seed localisation, contouring and fusion by De Brabandere, Marisol, Hoskin, Peter, Haustermans, Karin, Van den Heuvel, Frank, Siebert, Frank-André

“…Abstract Aim Reliable post-implant evaluation of prostate seed implants requires optimal seed identification and accurate delineation of anatomical structures…”
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GEC-ESTRO ACROP recommendations on calibration and traceability of HE HDR-PDR photon-emitting brachytherapy sources at the hospital level by Perez-Calatayud, Jose, Ballester, Facundo, Carlsson Tedgren, Åsa, DeWerd, Larry A., Papagiannis, Panagiotis, Rivard, Mark J., Siebert, Frank-André, Vijande, Javier

“…•Most Radiotherapy Departments in Europe have HDR-PDR brachytherapy equipment with Ir-192 or Co-60.•The present GEC-ESTRO ACROP Recommendations provide…”
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