Publications by authors named "Dirk Geismar"

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Is an Endorectal Balloon Beneficial for Rectal Sparing after Spacer Implantation in Prostate Cancer Patients Treated with Hypofractionated Intensity-Modulated Proton Beam Therapy? A Dosimetric and Radiobiological Comparison Study.
Dalia Ahmad Khalil, Jörg Wulff, Danny Jazmati, Dirk Geismar, Christian Bäumer

Curr Oncol· January 2023

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Technical note: Impact of beam properties for uveal melanoma proton therapy-An in silico planning study.
Jörg Wulff, Benjamin Koska, Martin Janson, Christian Bäumer, Andrea Denker, Dirk Geismar

Med Phys· May 2022

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Dosimetric feasibility of moderately hypofractionated/dose escalated radiation therapy for localised prostate cancer with intensity-modulated proton beam therapy using simultaneous integrated boost (SIB-IMPT) and impact of hydrogel prostate-rectum spacer.
Dalia Ahmad Khalil, Danny Jazmati, Dirk Geismar, Jörg Wulff, Christian Bäumer

Radiat Oncol· April 2022

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Types of deviation and review criteria in pretreatment central quality control of tumor bed boost in medulloblastoma-an analysis of the German Radiotherapy Quality Control Panel in the SIOP PNET5 MB trial.
Stefan Dietzsch, Annett Braesigk, Clemens Seidel, Julia Remmele, Ralf Kitzing, Dirk Geismar

Strahlenther Onkol· March 2022

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Comparing efficacy and side effects of two systemic chemotherapy regimens for eye-preserving therapy in children with retinoblastoma.
Lea Grümme, Eva Biewald, Madlen Reschke, Karen Fischhuber, Anna Hanbücken, Dirk Geismar

Pediatr Blood Cancer· February 2022

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Pretreatment central quality control for craniospinal irradiation in non-metastatic medulloblastoma : First experiences of the German radiotherapy quality control panel in the SIOP PNET5 MB trial.
Stefan Dietzsch, Annett Braesigk, Clemens Seidel, Julia Remmele, Ralf Kitzing, Dirk Geismar

Strahlenther Onkol· August 2021

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Identification of patient benefit from proton beam therapy in brain tumour patients based on dosimetric and NTCP analyses.
Almut Dutz, Armin Lühr, Esther G C Troost, Linda Agolli, Rebecca Bütof, Dirk Geismar

Radiother Oncol· July 2021

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Intraarterial Chemotherapy for Retinoblastoma - Initial Experiences of a German Reference Centre.
Tobias Kiefer, Sabrina Schlüter, Nikolaos E Bechrakis, Norbert Bornfeld, Sophia Göricke, Dirk Geismar

Klin Monbl Augenheilkd· July 2021

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Clinical Implementation of Proton Therapy Using Pencil-Beam Scanning Delivery Combined With Static Apertures.
Christian Bäumer, Sandija Plaude, Dalia Ahmad Khalil, Dirk Geismar, Paul-Heinz Kramer

Front Oncol· May 2021

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Modelling of late side-effects following cranial proton beam therapy.
Almut Dutz, Armin Lühr, Linda Agolli, Rebecca Bütof, Chiara Valentini, Dirk Geismar

Radiother Oncol· April 2021

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Eye Tumors in Childhood as First Sign of Tumor Predisposition Syndromes: Insights from an Observational Study Conducted in Germany and Austria.
Madlen Reschke, Eva Biewald, Leo Bronstein, Ines B Brecht, Sabine Dittner-Moormann, Dirk Geismar

Cancers (Basel)· April 2021

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Feasibility of Proton Beam Therapy as a Rescue Therapy in Heavily Pre-Treated Retinoblastoma Eyes.
Eva Biewald, Tobias Kiefer, Dirk Geismar, Sabrina Schlüter, Anke Manthey

Cancers (Basel)· April 2021

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[Not Available].
Carina Behrends, Jan Haussmann, P-H Kramer, Johannes A Langendijk, Holger Gottschlag, Dirk Geismar

Z Med Phys· February 2021

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Long-Term Clinical Results and Management following Vitrectomy in Undetected Retinoblastoma Eyes.
Eva Biewald, Sabrina Schlüter, Nikolaos E Bechrakis, Tobias Kiefer, Philipp Rating, Dirk Geismar

Ocul Oncol Pathol· August 2020

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Outcome and Patterns of Relapse in Childhood Parameningeal Rhabdomyosarcoma Treated With Proton Beam Therapy.
Jérôme Doyen, Danny Jazmati, Dirk Geismar, Sabine Frisch, Stefanie Schulze Schleithoff

Int J Radiat Oncol Biol Phys· December 2019

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[Particle therapy reduces the incidence of subsequent primary cancers after prostate irradiation].
Dirk Geismar

Urologe A· December 2019

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In Reply to Gultekin and Yildiz.
Jérôme Doyen, Danny Jazmati, Dirk Geismar, Sabine Frisch, Stefanie Schulze Schleithoff

Int J Radiat Oncol Biol Phys· December 2019

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Development and validation of NTCP models for acute side-effects resulting from proton beam therapy of brain tumours.
Almut Dutz, Armin Lühr, Linda Agolli, Esther G C Troost, Mechthild Krause, Dirk Geismar

Radiother Oncol· January 2019

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Motion effects in proton treatments of hepatocellular carcinoma-4D robustly optimised pencil beam scanning plans versus double scattering plans.
Tina Pfeiler, Dalia Ahmad Khalil, Myriam Ayadi, Christian Bäumer, Oliver Blanck, Dirk Geismar

Phys Med Biol· November 2018

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Experimental validation of a 4D dose calculation routine for pencil beam scanning proton therapy.
Tina Pfeiler, Christian Bäumer, Erik Engwall, Dirk Geismar, Bernhard Spaan

Z Med Phys· April 2018

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Profile of European proton and carbon ion therapy centers assessed by the EORTC facility questionnaire.
Damien C Weber, André Abrunhosa-Branquinho, Alessandra Bolsi, Andrzej Kacperek, Rémi Dendale, Dirk Geismar

Radiother Oncol· August 2017

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The effects of motion on the dose distribution of proton radiotherapy for prostate cancer.
Sima Qamhiyeh, Dirk Geismar, Christoph Pöttgen, Martin Stuschke, Jonathan Farr

J Appl Clin Med Phys· May 2012

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Hyperfractionated accelerated chemoradiation with concurrent fluorouracil-mitomycin is more effective than dose-escalated hyperfractionated accelerated radiation therapy alone in locally advanced head and neck cancer: final results of the radiotherapy cooperative clinical trials group of the German Cancer Society 95-06 Prospective Randomized Trial.
Volker Budach, Martin Stuschke, Wilfried Budach, Michael Baumann, Dirk Geismar

J Clin Oncol· February 2005

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