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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. To report the result of independent absorbed-dose calculations based on a Monte Carlo (MC) algorithm in volumetric modulated arc therapy (VMAT) for various treatment sites.

    Authors: Akihiro Haga, Taiki Magome, Shigeharu Takenaka, Toshikazu Imae, Akira Sakumi, Akihiro Nomoto, Hiroshi Igaki, Kenshiro Shiraishi, Hideomi Yamashita, Kuni Ohtomo and Keiichi Nakagawa
    Citation: Radiation Oncology 2014 9:75
  2. Stereotactic Radiosurgery (SRS) is a common tool used to treat Arteriovenous Malformations (AVMs) in anatomical locations associated with a risk of surgical complications. Despite high rates of clinical effect...

    Authors: Marcus Sonier, Ermias Gete, Chris Herbert, Michael McKenzie, James Murphy and Vitali Moiseenko
    Citation: Radiation Oncology 2014 9:73
  3. We aim to evaluate the effects of multileaf collimator (MLC) leaf width (5 mm vs. 2.5 mm) on the radiosurgery planning for the treatment of spine lesions according to the modulated techniques (intensity-modula...

    Authors: Soo-Min Chae, Gi Woong Lee and Seok Hyun Son
    Citation: Radiation Oncology 2014 9:72
  4. The two-dimensional phantom dose verification (2D-PDV) using hybrid plan and planar dose measurement has been widely used for IMRT treatment QA. Due to the lack of information about the correlations between th...

    Authors: Hailei Lin, Shaomin Huang, Xiaowu Deng, Jinhan Zhu and Lixin Chen
    Citation: Radiation Oncology 2014 9:71
  5. The analysis was designed to compare dosimetric parameters among 3-D conformal radiotherapy (3DCRT), intensity-modulated radiotherapy (IMRT) and RapidArc (RA) to identify which can achieve the lowest risk of r...

    Authors: Dong Chen, Renben Wang, Xiangjiao Meng, Tonghai Liu, Hongjiang Yan, Rui Feng, Shangang Liu, Shumei Jiang, Xiaoqing Xu, Kunli Zhu and Xue Dou
    Citation: Radiation Oncology 2014 9:48
  6. Intrafraction motion during step-and-shoot (SNS) IMRT is known to affect the target dosimetry by a combination of dose blurring and interplay effects. These effects are typically managed by adding a margin aro...

    Authors: Benjamin J Waghorn, Amish P Shah, Justin M Rineer, Katja M Langen and Sanford L Meeks
    Citation: Radiation Oncology 2014 9:46
  7. Scattered radiation can be assessed by in vivo dosimetry. Thyroid tissue is sensitive to radiation, even at doses <10 cGy. This study compared the scattered dose to the thyroid measured by thermoluminescent dosim...

    Authors: Cassiane Cardoso Bonato, Henrique Bregolin Dias, Michele da Silva Alves, Lucas Ost Duarte, Telpo Martins Dias, Maiara Oliveira Dalenogare, Claudio Castelo Branco Viegas and Regina Helena Elnecave
    Citation: Radiation Oncology 2014 9:40
  8. Patient-specific dose verification for treatment planning in helical tomotherapy is routinely performed using a homogeneous virtual water cylindrical phantom of 30 cm diameter and 18 cm length (Cheese phantom)...

    Authors: Yutaka Takahashi and Susanta K Hui
    Citation: Radiation Oncology 2014 9:34
  9. Reproducibility of different immobilization systems, which may affect set-up errors, remains uncertain. Immobilization systems and their corresponding set-up errors influence the clinical target volume to plan...

    Authors: Peter White, Chui Ka Yee, Lee Chi Shan, Lee Wai Chung, Ng Ho Man and Yik Shing Cheung
    Citation: Radiation Oncology 2014 9:29
  10. MRI-only radiotherapy will eliminate the systematic registration errors introduced when transferring MRI information to the CT. However, challenges concerning the missing information on electron density, neces...

    Authors: Marie E Korsholm, Line W Waring and Jens M Edmund
    Citation: Radiation Oncology 2014 9:16
  11. To recommend the optimal plan parameter set of grid size and angular increment for dose calculations in treatment planning for lung stereotactic body radiation therapy (SBRT) using dynamic conformal arc therap...

    Authors: Ji-Yeon Park, Siyong Kim, Hae-Jin Park, Jeong-Woo Lee, Yeon-Sil Kim and Tae-Suk Suh
    Citation: Radiation Oncology 2014 9:5
  12. To investigate the feasibility of contouring the planning risk organ volume (PRV) for the heart, and to determine the probability of evaluating radiation dose to the heart using kilovoltage-cone beam computed ...

    Authors: Chengxin Liu, Guanzhong Gong, Chen Guo, Tonghai Liu, Jie Lu, Hong Zhao, Wei Dong and Yong Yin
    Citation: Radiation Oncology 2013 8:295
  13. Lung radiation injury is a critical complication of radiotherapy (RT) for thoracic esophageal carcinoma (EC). Therefore, the goal of this study was to investigate the feasibility and dosimetric effects of redu...

    Authors: Guanzhong Gong, Ruozheng Wang, Yujie Guo, Deyin Zhai, Tonghai Liu, Jie Lu, Jinhu Chen, Chengxin Liu and Yong Yin
    Citation: Radiation Oncology 2013 8:291
  14. To create an arc therapy plan, certain current general calculation algorithms such as pencil-beam calculation (PBC) are based on discretizing the continuous arc into multiple fields to simulate an arc. The iPl...

    Authors: Jin Ho Song, Hun-Joo Shin, Chul Seung Kay, Soo-Min Chae and Seok Hyun Son
    Citation: Radiation Oncology 2013 8:284
  15. Image-guidance maximizes the therapeutic index of brain irradiation by decreasing setup uncertainty. As dose-volume data emerge defining the tolerance of critical normal structures responsible for neuroendocri...

    Authors: Lisa BE Shields, James M Coons, Catherine Dedich, Maria Ragains, Kristi Scalf, Todd W Vitaz and Aaron C Spalding
    Citation: Radiation Oncology 2013 8:283
  16. To investigate the anatomic and dosimetric variations of volumetric modulated arc therapy (VMAT) in the treatment of nasopharyngeal cancer (NPC) patients based on weekly cone beam CT (CBCT).

    Authors: Xiance Jin, Weigang Hu, Haijiao Shang, Ce Han, Jinling Yi, Yongqiang Zhou and Congying Xie
    Citation: Radiation Oncology 2013 8:279
  17. To investigate the feasibility and benefits of a modified adaptive radiotherapy (ART) by replanning in the initial CT (iCT) with new contours from a repeat CT (rCT) based on CT-CT image fusion for nasopharynge...

    Authors: Xiance Jin, Ce Han, Yongqiang Zhou, Jinling Yi, Huawei Yan and Congying Xie
    Citation: Radiation Oncology 2013 8:277
  18. For patients with high risk breast cancer and mastectomy, radiotherapy is the treatment of choice to improve survival and local control. Target dose is mainly limited due to skin reactions. The feasibility of ...

    Authors: Melanie Fischbach, Roger A Hälg, Matthias Hartmann, Jürgen Besserer, Günther Gruber and Uwe Schneider
    Citation: Radiation Oncology 2013 8:270
  19. This study investigates the impact of an automated image guided patient setup correction on the dose distribution for ten patients with in-field IMRT re-irradiation of vertebral metastases.

    Authors: Christian Gröger, Matthias G Hautmann, Rainer Loeschel, Natalia Repp, Oliver Kölbl and Barbara Dobler
    Citation: Radiation Oncology 2013 8:269
  20. To investigate the effect of computed tomography (CT) using hepatic arterial phase (HAP) and portal venous phase (PVP) contrast on dose calculation of stereotactic body radiation therapy (SBRT) for liver cancer.

    Authors: Jianghong Xiao, Yan Li, Qingfeng Jiang, Lan Sun, Fraser Henderson Jr, Yongsheng Wang, Xiaoqin Jiang, Guangjun Li and Nianyong Chen
    Citation: Radiation Oncology 2013 8:264
  21. The performance of single arc VMAT (VMAT1) for nasopharyngeal carcinoma (NPC) on the Axesse linac has not been well described in previous studies. The purpose of this study is to assess the feasibility of VMAT...

    Authors: Zhong-Hua Ning, Jin-Ming Mu, Jian-Xue Jin, Xiao-Dong Li, Qi-Lin Li, Wen-Dong Gu, Jin Huang, Yang Han and Hong-Lei Pei
    Citation: Radiation Oncology 2013 8:237
  22. In the presence of random uncertainties, delivered radiation treatment doses in patient likely exhibit a statistical distribution. The expected dose and variance of this distribution are unknown and are most l...

    Authors: Songbing Qin, Miao Zhang, Sung Kim, Ting Chen, Leonard H Kim, Bruce G Haffty and Ning J Yue
    Citation: Radiation Oncology 2013 8:225
  23. To investigate the interfraction displacement and volume variation of primary thoracic esophagus carcinoma with enhanced four-dimensional computed tomography (4DCT) scanning during fractionated radiotherapy.

    Authors: Jin Zhi Wang, Jian Bin Li, Wei Wang, Huan Peng Qi, Zhi Fang Ma, Ying Jie Zhang, Ting Yong Fan, Qian Shao and Min Xu
    Citation: Radiation Oncology 2013 8:224
  24. The risk of radio-induced gastrointestinal (GI) complications is affected by several factors other than the dose to the rectum such as patient characteristics, hormonal or antihypertensive therapy, and acute r...

    Authors: Laura Cella, Vittoria D’Avino, Raffaele Liuzzi, Manuel Conson, Francesca Doria, Adriana Faiella, Filomena Loffredo, Marco Salvatore and Roberto Pacelli
    Citation: Radiation Oncology 2013 8:221
  25. We estimated sufficient setup margins for head-and-neck cancer (HNC) radiotherapy (RT) when 2D kV images are utilized for routine patient setup verification. As another goal we estimated a threshold for the di...

    Authors: Mika Kapanen, Marko Laaksomaa, Tapio Tulijoki, Seppo Peltola, Tuija Wigren, Simo Hyödynmaa and Pirkko-Liisa Kellokumpu-Lehtinen
    Citation: Radiation Oncology 2013 8:212
  26. To investigate for prostate cancer patients the comparison of ‘in-vivo’ measured portal dose images (PDIs) with predictions based on a kilovoltage cone-beam CT scan (CBCT), acquired during the same treatment f...

    Authors: Ali SAM Ali, Maarten LP Dirkx, Ruud M Cools and Ben JM Heijmen
    Citation: Radiation Oncology 2013 8:211
  27. Stereotactic irradiation of large or critically located arteriovenous malformations (AVMs) is a special challenge for clinicians and radiation physicists. To date, no comprehensive comparison of two linac-base...

    Authors: Sławomir Blamek, Aleksandra Grządziel and Leszek Miszczyk
    Citation: Radiation Oncology 2013 8:205
  28. In-room cone-beam computerized tomography (CBCT) imaging is a promising method to reduce setup errors, especially in organs such as the bladder that often have large intrafractional variations due to organ mov...

    Authors: Kentaro Nishioka, Shinichi Shimizu, Rumiko Kinoshita, Tetsuya Inoue, Shunsuke Onodera, Koichi Yasuda, Keiichi Harada, Yukiko Nishikawa, Rikiya Onimaru and Hiroki Shirato
    Citation: Radiation Oncology 2013 8:185
  29. Hodgkin disease (HD) and medulloblastoma (MB) are common malignancies found in children and young adults, and radiotherapy is part of the standard treatment. It was reported that these patients who received ra...

    Authors: Rui Zhang, Rebecca M Howell, Kenneth Homann, Annelise Giebeler, Phillip J Taddei, Anita Mahajan and Wayne D Newhauser
    Citation: Radiation Oncology 2013 8:184
  30. To assess the dosimetric effect induced by inter-observer variability in target definition for 3D-conformal RT (3DCRT) and volumetric modulated arc therapy by RapidArc (RA) techniques for rectal cancer treatment.

    Authors: Francesca Lobefalo, Mario Bignardi, Giacomo Reggiori, Angelo Tozzi, Stefano Tomatis, Filippo Alongi, Antonella Fogliata, Anna Gaudino, Piera Navarria, Luca Cozzi, Marta Scorsetti and Pietro Mancosu
    Citation: Radiation Oncology 2013 8:176
  31. The accuracy of the two dose calculation engines available for RapidArc planning (both released for clinical use) is investigated in comparison to the COMPASS data.

    Authors: Murugesan Kathirvel, Shanmuga Subramanian, Alessandro Clivio, Gandhi Arun, Antonella Fogliata, Giorgia Nicolini, Vellaiyan Subramani, Shanmugam Thirumalai Swamy, Eugenio Vanetti and Luca Cozzi
    Citation: Radiation Oncology 2013 8:140

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