Eric Wisotsky, M.Sc. in Physics, University of Heidelberg - Oct 2014-Jan 2015
Eric Wisotzky graduated with a M.Sc. in Physics at the University of Heidelberg, Germany in 2014. In 2012 he finished his Bachelor thesis in real time tumor tracking at the German Cancer Research Center. His study brought him to the Fraunhofer IPK Berlin, Germany, where he wrote his Master’s thesis in CT image restoration. Due to his interest in radiation physics and cancer treatment he joined the group and investigated the impact of temporal optimization for MLC tracking.
Svenja Ipsen - University of Luebeck - 2013/2014
Svenja Ipsen is currently enrolled at the University of Luebeck, Northern Germany, in the Master’s program of ‘Medical Engineering Science’. She completed her Bachelor thesis in early 2013, focussing on integrating 4D ultrasound imaging into a robotic radiotherapy system for motion compensation during treatment. Her interest in real-time imaging and tracking paved the way for finally joining the research group of Paul Keall in September 2013. During her visit she will be investigating a new potential treatment branch of the MRI-Linac beyond the realms of cancer therapy: treating cardiac arrhythmia with radiotherapy. This does not only involve challenges in dose calculations and modelling but also requires sophisticated real-time tracking methods. At the end of 2014 she returned to Germany to finish her Master's thesis. As the first ambassador of Luebeck she benefited from close collaboration and a vivid exchange of ideas within this exceptional research group - and of course many unforgettable moments in Australia.
Thomas Ravkilde - Aarhus University Hospital - Oct-Nov2013
Thomas Ravkilde is currently a Ph.D. student at Aarhus University and Aarhus University Hospital, Denmark. He completed his B.Sc. in physics and M.Sc. in astronomy at Aarhus University in collaboration with Institut d'Astrophysique Spatiale and The University of Cergy-Pontoise, France, working on computational modelling of magnetohydrodynamic shocks in star forming interstellar clouds. He then went on to work in IT for six years before returning to research. His current research is on dose delivery to moving tumours using dynamic multi-leaf collimator (DMLC) tracking. During his visit, he took initial steps for implementation of real-time dose reconstruction into prototype DMLC tracking software.
Dr Alanah Bergman - British Columbia Cancer Centre - Sept-Oct 2013
Dr Bergman is visiting the Radiation Physics Laboratory for four to six weeks as part of her special education leave from the British Columbia Cancer Centre (Vancouver, Canada). She is a senior clinical physicist with academic ties to the University of British Columbia (lectures & supervising post-graduate students). Dr Bergman is assisting with the Respiratory Motion Guided - 4D CBCT project and her goal is to deliver respiration-optimized CBCT projection acquisitions on the RNSH's TrueBeam medical linear accelerator using the unit's Research and Developer Mode. Dr Bergman is here with her family and is looking forward to her collaboration here at the University of Sydney as well as spending time exploring the rest of Australia.
Joerg Rottman, PhD - Research Fellow in Radiation Oncology, Brigham and Women's Hospital, Boston MA - May 2013
Dr. Joerg Rottmann is currently a Research Fellow at the Harvard Medical School (Brigham and Women's Hospital / Dana-Farber Cancer Institute). He completed his PhD in physics at the University of Heidelberg in conjunction with the German Cancer Research Center and the Brigham and Women's Hospital / Harvard Medical School. His current research projects focus on improving the delivery of lung SBRT by incorporating motion mitigation with a dynamic multi-leaf collimator.
Kinga Bernatowicz - Swiss Federal Institute of Technology Zürich - Jan-Mar 2013
Kinga Bernatowicz is a Ph.D. student from Swiss Federal Institute of Technology Zürich, completing her research on proton therapy image guidance at the Paul Scherrer Institute (PSI) with Dr. Knopf and Prof. Lomax. She completed a joint program of MSc. in Nuclear Engineering at Swiss Federal Universities, which concluded with the thesis improving proton delivery techniques for the foreseen liver patients’ treatment. During her three months in Sydney she will be working on 4D CT image acquisition.
Rebecca Fahrig, PhD - Stanford University – Nov-Dec 2012
Dr. Rebecca Fahrig is an associate professor in the Department of Radiology at Stanford University. She obtained a BSc in Physics (1989) and an MSc in Medical Biophysics (1992) at the University of Toronto, and a PhD from the Robarts Research Institute at the University of Western Ontario, also in Medical Biophysics (1999). Her research covers a wide range of topics in x-ray and CT physics, with an emphasis on image guidance during minimally invasive procedures. She is PI on several NIH-funded projects including 'Real-time Imaging for Transbronchial Needle Biopsy Guidance' and 'kV-MV Imaging for Metal Artifact Reduction in Radiation Therapy Treatment Planning'. Collaborators include researchers from Sydney University and the University of Erlangen-Nurnberg, and from Siemens Medical, Varian Ginzton and TripleRing Inc.
Esben Worm - Aarhus University Hospital – May 2012
Motion management in image-guided radiotherapy
Esben Worm is a medical physicist from Aarhus University Hospital, Denmark, currently working on a PhD within the area of radiotherapy. The aim of his work is to improve the geometric accuracy of the radiation dose delivered to tumors where motion during treatment presents a special challenge. His work focuses on stereotactic body radiotherapy for tumors in the liver. This includes image-based motion monitoring, motion management, reconstruction of the actual radiation dose delivered during treatment to a moving tumor, and optimization and implementation of clinical treatment strategies.
Stefan Kolling - University of Heidelberg - 2012/2013
Magnetic modeling of the MLC for the Australian MRI-Linac program
Stefan completed his undergraduate studies with a BSc. in Physics at the RWTH Aachen University, Germany, in 2010. During his time in Aachen, he worked as research assistant in the field of fluorescence-based medical diagnostics at the Fraunhofer Institute for Laser Technology. Following that, he transferred to the University of Heidelberg to undertake an MSc. in Medical Physics and worked for the German Cancer Research Centre (DKFZ) in Heidelberg. Due to his strong interest in image-guided radiation therapy, Stefan decided to join Prof. Keall's group where his masters research will contribute to the MRI-LINAC project.
Dr Tokihiro Yamamoto - Stanford University - April-May 2011
CT-based pulmonary ventilation imaging: physiologic validations toward applications in radiation oncology and beyond
Tokihiro Yamamoto, Ph.D. is currently a Postdoctoral Fellow in the Department of Radiation Oncology at Stanford University. He completed his Ph.D. through a formal education/training in medical physics in Japan. In 2007, he moved to Stanford and received a postdoctoral training under the mentorship of Paul Keall, Ph.D. for more than three years. His research interests focus on the functional imaging techniques for improving the therapeutic ratio of radiotherapy. He has authored/co-authored 19 peer-review papers to date.
Dr Yelin Suh - Stanford University - Mar-April 2011
4D IMRT Treatment Planning with Respiratory Phase-Dependent Leaf Sequences: Early Planning and Delivery Results
Dr Yelin Suh completed her PhD in Medical Physics at Virginia Commonwealth University and joined Professor Paul Keall's group as a postdoctoral scholar at Stanford University in 2009. Dr Suh’s current research projects include 4D radiotherapy treatment planning and delivery.
Dr Per Poulsen - Aarhus University - Mar 2011
Dr Per Poulsen is a medical physicist at Aarhus University Hospital, Denmark, specializing in tumor motion management. He spent two years (2007-09) with Paul Keall's research group at Stanford University, focusing on image-based DMLC tracking. Current research topics include liver tumor motion in SBRT, marker segmentation algorithms, image-based DMLC tracking, and electromagnetic-based DMLC tracking.