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Radiation Physics

Section edited by Christoph Bert and Katia Parodi

The Radiation Physics section aims at providing a platform for medical physics research and applications in radiation oncology. This includes innovative developments in the application of physical sciences to radiation oncology, spanning the broad range of advanced beam delivery and imaging, dosimetry, computation, modeling and data processing. Contributions proposing innovative methodological approaches or presenting original assessment on the clinical relevance of new technologies are welcome. Space is also given to review contributions on timely topics, as well as invited key reviews from renowned experts. Hence, the Radiation Physics section addresses contemporary cutting-edge research and methodological advancements for improved clinical practice, as well as reviews of relevant medical physics issues in radiation oncology, offering a fast review process and broad outreach.

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  1. Content type: Research

    Intrafraction motion is particularly problematic in case of small target volumes and narrow margins. Here we simulate the dose coverage of intraprostatic lesions (IPL) by simultaneous integrated boosts (SIB). ...

    Authors: Hendrik Ballhausen, Minglun Li, Michael Reiner and Claus Belka

    Citation: Radiation Oncology 2019 14:81

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  2. Content type: Research

    For radiotherapy of abdominal cancer, four-dimensional magnetic resonance imaging (4DMRI) is desirable for tumor definition and the assessment of tumor and organ motion. However, irregular breathing gives rise...

    Authors: Z. van Kesteren, A. van der Horst, O. J. Gurney-Champion, I. Bones, D. Tekelenburg, T. Alderliesten, G. van Tienhoven, R. Klaassen, H. W. M. van Laarhoven and A. Bel

    Citation: Radiation Oncology 2019 14:80

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  3. Content type: Research

    To reduce radiation doses to the tongue, a patient-specific semi-customized tongue displacement device (SCTDD) was developed using a 3D printer (3DP) for head and neck (H&N) radiation therapy (RT). Dosimetric ...

    Authors: Chae-Seon Hong, Dongryul Oh, Sang Gyu Ju, Yong Chan Ahn, Cho Hee Na, Dong Yeol Kwon and Cheol Chong Kim

    Citation: Radiation Oncology 2019 14:79

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  4. Content type: Methodology

    Commissioning of treatment planning systems (TPS) and beam delivery for scanned light ion beams is an important quality assurance task. This requires measurement of large sets of high quality dosimetric data i...

    Authors: O. Jäkel, B. Ackermann, S. Ecker, M. Ellerbrock, P. Heeg, K. Henkner and M. Winter

    Citation: Radiation Oncology 2019 14:77

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  5. Content type: Research

    The radiation transmission through the multileaf collimators is undesired in modern techniques such as volumetric modulated arc therapy (VMAT). According to identical plans, in this study, we aim to investigat...

    Authors: Kai Xie, Hongfei Sun, Liugang Gao, Tao Lin, Jianfeng Sui and Xinye Ni

    Citation: Radiation Oncology 2019 14:75

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  6. Content type: Research

    In this study, an external 8 mm thick aluminum target was installed on the upper accessory tray mount of a medical linear accelerator head. The purpose of this study was to determine the effects of the externa...

    Authors: Jonggeun Baek, Hyungdong Kim, Byungyong Kim, Youngkee Oh and Hyunsoo Jang

    Citation: Radiation Oncology 2019 14:70

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  7. Content type: Research

    To perform quality assurance of non-coplanar, volumetric-modulated arc therapy featuring continuous couch rotation (CCR-VMAT) using a C-arm linear accelerator.

    Authors: Hideaki Hirashima, Mitsuhiro Nakamura, Yuki Miyabe, Nobutaka Mukumoto, Tomohiro Ono, Hiraku Iramina and Takashi Mizowaki

    Citation: Radiation Oncology 2019 14:62

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  8. Content type: Research

    We evaluated the optimal radiotherapy (RT) plan for synchronous bilateral breast cancer (SBBC), especially treatment plans including the regional lymph node (LN) area.

    Authors: Yeona Cho, Yoon Jin Cho, Won Suk Chang, Jun Won Kim, Won Hoon Choi and Ik Jae Lee

    Citation: Radiation Oncology 2019 14:56

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  9. Content type: Research

    To perform a dosimetric evaluation of four different simultaneous integrated boost whole brain radiotherapy modalities with hippocampus and inner ear avoidance in the treatment of limited brain metastases.

    Authors: Aijun Jiang, Weipeng Sun, Fen Zhao, Zhenxuan Wu, Dongping Shang, Qingxi Yu, Suzhen Wang, Jian Zhu, Fengchang Yang and Shuanghu Yuan

    Citation: Radiation Oncology 2019 14:46

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  10. Content type: Research

    To develop and validate a quantitative complication model of temporal lobe necrosis (TLN). To analyze the effect of clinical and dosimetric factors on TLN.

    Authors: Jiazhou Wang, Yibing Miao, Xiaomin Ou, Xiaoshen Wang, Xiayun He, Chunying Shen, Hongmei Ying, Weigang Hu and Chaosu Hu

    Citation: Radiation Oncology 2019 14:42

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  11. Content type: Research

    Measurement-guided dose reconstruction has lately attracted significant attention because it can predict the delivered patient dose distribution. Although the treatment planning system (TPS) uses sophisticated...

    Authors: Akari Kaneko, Iori Sumida, Hirokazu Mizuno, Fumiaki Isohashi, Osamu Suzuki, Yuji Seo, Keisuke Otani, Keisuke Tamari and Kazuhiko Ogawa

    Citation: Radiation Oncology 2019 14:36

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  12. Content type: Research

    Time-resolved volumetric magnetic resonance imaging (4DMRI) offers the potential to analyze 3D motion with high soft-tissue contrast without additional imaging dose. We use 4DMRI to investigate the interplay e...

    Authors: Kai Dolde, Ye Zhang, Naved Chaudhri, Christian Dávid, Marc Kachelrieß, Antony John Lomax, Patrick Naumann, Nami Saito, Damien Charles Weber and Asja Pfaffenberger

    Citation: Radiation Oncology 2019 14:30

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  13. Content type: Research

    The purpose of this study was to compare automatically generated VMAT plans to find the superior beam configurations for Pinnacle3 Auto-Planning and share “best practices”.

    Authors: Anne Richter, Florian Exner, Klaus Bratengeier, Bülent Polat, Michael Flentje and Stefan Weick

    Citation: Radiation Oncology 2019 14:12

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  14. Content type: Research

    Due to the heterogeneity of patient’s individual respiratory motion pattern in lung stereotactic body radiotherapy (SBRT), treatment planning dose assessment using a traditional four-dimensional computed tomog...

    Authors: Gang Liu, Fala Hu, Xuanfeng Ding, Xiaoqiang Li, Qihong Shao, Yuenan Wang, Jing Yang and Hong Quan

    Citation: Radiation Oncology 2019 14:1

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  15. Content type: Research

    PRIMO is a dose verification system based on the general-purpose Monte Carlo radiation transport code penelope, which implements an accurate physics model of the interaction cross sections and the radiation trans...

    Authors: Miguel Rodriguez, Josep Sempau, Christian Bäumer, Beate Timmermann and Lorenzo Brualla

    Citation: Radiation Oncology 2018 13:256

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  16. Content type: Research

    Dose calculations in intraoperative electron radiation therapy (IOERT) rely on the conventional assumption of water-equivalent tissues at the applicator end, which defines a flat irradiation surface. However, ...

    Authors: Verónica García-Vázquez, Begoña Sesé-Lucio, Felipe A. Calvo, Juan J. Vaquero, Manuel Desco and Javier Pascau

    Citation: Radiation Oncology 2018 13:243

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  17. Content type: Research

    Since the introduction of tumor tracking in radiotherapy, it is possible to ensure a precise irradiation of moving targets. To follow the tumor movement, most systems rely on the detection of implanted markers...

    Authors: Marc Ziegler, Tobias Brandt, Sebastian Lettmaier, Rainer Fietkau and Christoph Bert

    Citation: Radiation Oncology 2018 13:242

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  18. Content type: Research

    Advanced clinical applications, such as dose accumulation and adaptive radiation therapy, require deformable image registration (DIR) algorithms capable of voxel-wise accurate mapping of treatment dose or func...

    Authors: An Qin, Dan Ionascu, Jian Liang, Xiao Han, Nicolette O’Connell and Di Yan

    Citation: Radiation Oncology 2018 13:240

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  19. Content type: Research

    To introduce the benefits of tangent-based volumetric modulated arc therapy (TVMAT), an innovative radiotherapy planning technique, compared with traditional volumetric modulated arc therapy (VMAT) for advance...

    Authors: Pei-Chieh Yu, Ching-Jung Wu, Hsin-Hua Nien, Louis Tak Lui, Suzun Shaw and Yu-Lun Tsai

    Citation: Radiation Oncology 2018 13:236

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  20. Content type: Research

    A new strategy is introduced combining the use of Multi-Criteria Optimization-based Trade-Off Exploration (TO) and RapidPlan™ (RP) for the selection of optimisation parameters that improve the trade-off betwee...

    Authors: Eliane Miguel-Chumacero, Garry Currie, Abigail Johnston and Suzanne Currie

    Citation: Radiation Oncology 2018 13:229

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  21. Content type: Research

    Neoadjuvant radio(chemo)therapy of non-metastasized, borderline resectable or unresectable locally advanced pancreatic cancer is complex and prone to cause side-effects, e.g., in gastrointestinal organs. Inten...

    Authors: Sarah Stefanowicz, Kristin Stützer, Sebastian Zschaeck, Annika Jakobi and Esther G. C. Troost

    Citation: Radiation Oncology 2018 13:228

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  22. Content type: Research

    The dosimetric leaf gap (DLG) and multileaf collimator (MLC) transmission are two important systematic parameters used to model the rounded MLC leaf ends effect when commissioning an Eclipse treatment planning...

    Authors: Chih-Yuan Lin, An-Cheng Shiau, Jin-Huei Ji, Chia-Jung Lee, Ti-Hao Wang, Shu-Hui Hsu and Ji-An Liang

    Citation: Radiation Oncology 2018 13:222

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  23. Content type: Research

    Radiotherapy of liver metastases is commonly being performed with photon-beam based stereotactic body radiation therapy (SBRT). The high risk for radiation-induced liver disease (RILD) is a limiting factor in ...

    Authors: Gracinda Mondlane, Ana Ureba, Michael Gubanski, P A Lind and Albert Siegbahn

    Citation: Radiation Oncology 2018 13:206

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  24. Content type: Research

    Computed tomography (CT) data used for patient radiotherapy planning can nowadays be used to create 3D-printed boluses. Nevertheless, this methodology requires a second CT scan and planning process when immobi...

    Authors: Giovanna Dipasquale, Alexis Poirier, Yannick Sprunger, Johannes Wilhelmus Edmond Uiterwijk and Raymond Miralbell

    Citation: Radiation Oncology 2018 13:203

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  25. Content type: Research

    Technological advances in Hodgkin lymphoma (HL) radiation therapy (RT) by high conformal treatments potentially increase control over organs-at-risk (OARs) dose distribution. However, plan optimization remains...

    Authors: Stefania Clemente, Caterina Oliviero, Giuseppe Palma, Vittoria D’Avino, Raffaele Liuzzi, Manuel Conson, Roberto Pacelli and Laura Cella

    Citation: Radiation Oncology 2018 13:202

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  26. Content type: Research

    In adults, a single pre-treatment four-dimensional CT (4D-CT) acquisition is often used to account for respiratory-induced target motion during radiotherapy. However, studies have indicated that a 4D-CT is not...

    Authors: Sophie C. Huijskens, Irma W. E. M. van Dijk, Jorrit Visser, Brian V. Balgobind, Coen R. N. Rasch, Tanja Alderliesten and Arjan Bel

    Citation: Radiation Oncology 2018 13:198

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  27. Content type: Short report

    Pancreatic ductal adenocarcinoma has dismal prognosis. Most patients receive radiation therapy (RT), which is complicated by respiration induced organ motion in upper abdomen. The purpose of this study is to r...

    Authors: Wensha Yang, Zhaoyang Fan, Zixin Deng, Jianing Pang, Xiaoming Bi, Benedick A Fraass, Howard Sandler, Debiao Li and Richard Tuli

    Citation: Radiation Oncology 2018 13:191

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  28. Content type: Research

    Modern radiotherapy offers the possibility of highly accurate tumor treatment. To benefit from this precision at its best, regular positioning verification is necessary. By the use of image-guided radiotherapy...

    Authors: Katharina Bell, Norbert Licht, Christian Rübe and Yvonne Dzierma

    Citation: Radiation Oncology 2018 13:190

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  29. Content type: Research

    Despite dosimetric benefits of volumetric modulated arc therapy (VMAT) in breast cancer patients with implant reconstruction receiving regional nodal irradiation (RNI), low dose to the thoracic structures rema...

    Authors: Vishruta A. Dumane, Kitwadee Saksornchai, Ying Zhou, Linda Hong, Simon Powell and Alice Y. Ho

    Citation: Radiation Oncology 2018 13:187

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  30. Content type: Research

    A novel remote method for external dosimetric TPS-planned auditing of intensity modulated radiotherapy (IMRT) and volumetric modulated arc therapy (VMAT) for clinical trials using electronic portal imaging dev...

    Authors: Narges Miri, Kimberley Legge, Kim Colyvas, Joerg Lehmann, Philip Vial, Alisha Moore, Monica Harris and Peter B. Greer

    Citation: Radiation Oncology 2018 13:178

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  31. Content type: Research

    To measure the absorbed dose rate to water and penumbra of a Gamma Knife® (GK) using a polymethyl metacrylate (PMMA) phantom.

    Authors: Jae Pil Chung, Young Min Seong, Tae Yeon Kim, Yona Choi, Tae Hoon Kim, Hyun Joon Choi, Chul Hee Min, Hamza Benmakhlouf, Kook Jin Chun and Hyun-Tai Chung

    Citation: Radiation Oncology 2018 13:176

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  32. Content type: Research

    Interfractional organ position variation might differ for abdominal organs and this could have consequences for defining safety margins. Therefore, the purpose of this study is to quantify interfractional posi...

    Authors: Sophie C. Huijskens, Irma W. E. M. van Dijk, Jorrit Visser, Brian V. Balgobind, D. te Lindert, Coen R. N. Rasch, Tanja Alderliesten and Arjan Bel

    Citation: Radiation Oncology 2018 13:173

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  33. Content type: Research

    Automated treatment planning and/or optimization systems (ATPS) are in the process of broad clinical implementation aiming at reducing inter-planner variability, reducing the planning time allocated for the op...

    Authors: J. Krayenbuehl, M. Zamburlini, S. Ghandour, M. Pachoud, S. Tanadini-Lang, J. Tol, M. Guckenberger and W. F. A. R. Verbakel

    Citation: Radiation Oncology 2018 13:170

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    The Correction to this article has been published in Radiation Oncology 2018 13:225

  34. Content type: Research

    Daily image-guided radiotherapy (IGRT) can contribute to cover extended body volumes with low radiation dose. The effect of additional imaging dose on secondary cancer development is modelled for a collective ...

    Authors: Yvonne Dzierma, Katharina Mikulla, Patrick Richter, Katharina Bell, Patrick Melchior, Frank Nuesken and Christian Rübe

    Citation: Radiation Oncology 2018 13:168

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  35. Content type: Research

    Stereotactic Body Radiotherapy (SBRT) is an ablative dose delivery technique which requires the highest levels of precision and accuracy. Modeling dose to a lung treatment volume has remained a complex and cha...

    Authors: Dennis J. Mohatt, Tianjun Ma, David B. Wiant, Naveed M. Islam, Jorge Gomez, Anurag K. Singh and Harish K. Malhotra

    Citation: Radiation Oncology 2018 13:165

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  36. Content type: Research

    A wide application of ultrasound for radiation therapy has been hindered by a few issues such as skin and target deformations due to probe pressure, optical tracking disabilities caused by irregular surfaces a...

    Authors: Heejung Kim, Ah Ram Chang, Sungwoo Cho and Sung-Joon Ye

    Citation: Radiation Oncology 2018 13:164

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  37. Content type: Research

    This study clarified the mechanical performance of volumetric modulated arc therapy (VMAT) plans for prostate cancer generated with a commercial knowledge-based treatment planning (KBP) and whether KBP system ...

    Authors: Mikoto Tamura, Hajime Monzen, Kenji Matsumoto, Kazuki Kubo, Masakazu Otsuka, Masahiro Inada, Hiroshi Doi, Kazuki Ishikawa, Kiyoshi Nakamatsu, Iori Sumida, Hirokazu Mizuno, Do-Kun Yoon and Yasumasa Nishimura

    Citation: Radiation Oncology 2018 13:163

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  38. Content type: Research

    The demand for dose verification during treatment has risen with the increasing use of intensity-modulated radiation therapy (IMRT) and volumetric modulated arc therapy (VMAT) in modern radiation therapy. This...

    Authors: So-Yeon Park, Jong Min Park, Jung-in Kim, Sungyoung Lee and Chang Heon Choi

    Citation: Radiation Oncology 2018 13:156

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  39. Content type: Research

    Emerging hypofractionated prostate radiotherapy regimens require solutions for accurate target tracking during beam delivery. The goal of this study is to evaluate the performance of the Clarity ultrasound mon...

    Authors: Bin Han, Mohammad Najafi, David T. Cooper, Martin Lachaine, Rie von Eyben, Steven Hancock and Dimitre Hristov

    Citation: Radiation Oncology 2018 13:151

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  40. Content type: Research

    Patient-specific distortions, particularly near tissue/air interfaces, require assessment for magnetic resonance (MR) only radiation treatment planning (RTP). However, patients are dynamic due to changes in ph...

    Authors: Carri Glide-Hurst, Siamak Nejad-Davarani, Steffen Weiss, Weili Zheng, Indrin J. Chetty and Steffen Renisch

    Citation: Radiation Oncology 2018 13:149

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  41. Content type: Research

    The deformable image registration (DIR) technique has the potential to realize the dose accumulation during radiotherapy. This study will analyze the feasibility of evaluating dose-volume parameters for the he...

    Authors: Ying Tong, Yong Yin, Pinjing Cheng and Guanzhong Gong

    Citation: Radiation Oncology 2018 13:145

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  42. Content type: Research

    The software PRIMO for the Monte Carlo simulation of radiotherapy linacs could potentially act as a independent calculation system to verify the calculations of treatment planning systems. We investigated the ...

    Authors: Marcelino Hermida–López, David Sánchez–Artuñedo and Juan Francisco Calvo–Ortega

    Citation: Radiation Oncology 2018 13:144

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