Physics in Medicine & Biology latest papers http://stacks.iop.org/0031-9155 Physics in Medicine & Biology publishes original and review articles covering the applications of theoretical and practical physics to medicine, physiology and biology. The journal enters its 50th year of publication in 2005 and enjoys a strong reputation among researchers and clinicians in 70 countries. Topics covered by the journal include radiotherapy physics, radiation dosimetry and metrology, the use of physical agents, such as ionising and non-ionising radiation, electromagnetic fields and ultrasound in diagnosis, imaging, biomedical optics, radiobiology and nuclear medicine. The journal is published on behalf of The Institute of Physics and Engineering in Medicine by IOP Publishing. en-gb Copyright © IOP Publishing 2009 Thu, 01 Jan 1970 00:00:00 GMT Thu, 01 Jan 1970 00:00:00 GMT http://syndication.iop.org/about/ custserv@iop.org (Customer Services) Physics in Medicine and Biology http://images.iop.org/website-logos/ejs_logo.png http://stacks.iop.org/ A virtual source model of electron contamination of a therapeutic photon beam http://stacks.iop.org/0031-9155/54/i=24/a=006?rss=2.0 Author(s): M Sikora and M Alber<br>Affiliation(s): Section for Biomedical Physics, University Hospital for Radiation Oncology, Hoppe-Seyler-Str 3, 72076 Tubingen, Germany Fri, 20 Nov 2009 00:00:00 GMT Investigation of uncertainties in image registration of cone beam CT to CT on an image-guided radiotherapy system http://stacks.iop.org/0031-9155/54/i=24/a=002?rss=2.0 Author(s): J R Sykes, D S Brettle, D R Magee and D I Thwaites<br>Affiliation(s): Medical Physics and Engineering, St James's Hospital, Leeds Teaching Hospitals Trust, Leeds, LS9 7TF, UK; Medical Physics and Engineering, Leeds General Infirmary, Leeds Teaching Hospitals Trust, Leeds, LS1 3EX, UK; School of Computing, University of Leeds, Leeds, LS2 9JT, UK Fri, 20 Nov 2009 00:00:00 GMT A histology-based atlas of the C57BL/6J mouse brain deformably registered to in vivo MRI for localized radiation and surgical targeting http://stacks.iop.org/0031-9155/54/i=24/a=005?rss=2.0 Author(s): David Purger, Todd McNutt, Pragathi Achanta, Alfredo Quinones-Hinojosa, John Wong and Eric Ford<br>Affiliation(s): Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University, 401 North Broadway, Suite 1440, Baltimore, MD 21231, USA; Department of Neurosurgery, Johns Hopkins University, Cancer Research Building II, 1550 Orleans Street, Room 247, Baltimore, MD 21231, USA Fri, 20 Nov 2009 00:00:00 GMT The geometric calibration of cone–beam systems with arbitrary geometry http://stacks.iop.org/0031-9155/54/i=24/a=001?rss=2.0 Author(s): Normand Robert, Kristina N Watt, Xinying Wang and James G Mainprize<br>Affiliation(s): Imaging Research, Sunnybrook Health Sciences Centre, 2075 Bayview Avenue, Toronto, ON, M4N 3M5, Canada Fri, 20 Nov 2009 00:00:00 GMT Computation of doses for large-angle Coulomb scattering of proton pencil beams http://stacks.iop.org/0031-9155/54/i=24/a=003?rss=2.0 Author(s): George Ciangaru, Narayan Sahoo, X Ronald Zhu, Gabriel O Sawakuchi and Michael T Gillin<br>Affiliation(s): Department of Radiation Physics, Proton Therapy Center, The University of Texas M D Anderson Cancer Center, 1515 Holcombe Blvd, Houston, TX 77030, USA Fri, 20 Nov 2009 00:00:00 GMT Spatial–temporal clustering analysis in functional magnetic resonance imaging http://stacks.iop.org/0031-9155/54/i=24/a=004?rss=2.0 Author(s): Shin-Lei Peng, Chun-Chao Chuang, Keh-Shih Chuang, Wan-Chun Kwan, Yu-Ting Kuo, Chih-Feng Chen, Chun-Yuan Chen and Sharon C Chen<br>Affiliation(s): Department of Biomedical Engineering and Environmental Sciences, National Tsing-Hua University, Hsin-Chu, Taiwan; Department of Medical Imaging and Radiology, Chung Shan Medical University, Tai-Chung, Taiwan; Department of Medical Imaging, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Taiwan; Department of Medical Imaging and Radiological Sciences, Kaohsiung Medical University, Taiwan; Department of Diagnostic Radiology, Chang Gung Memorial Hospital, Kaohsiung, Taiwan; National Yang-Ming University Hospital, I-Lan, Taiwan Fri, 20 Nov 2009 00:00:00 GMT The impact of respiratory motion on tumor quantification and delineation in static PET/CT imaging http://stacks.iop.org/0031-9155/54/i=24/a=007?rss=2.0 Author(s): Chi Liu, Larry A Pierce II, Adam M Alessio and Paul E Kinahan<br>Affiliation(s): Department of Radiology, University of Washington, Seattle, WA, USA Fri, 20 Nov 2009 00:00:00 GMT Comparison of IMRT planning with two-step and one-step optimization: a strategy for improving therapeutic gain and reducing the integral dose http://stacks.iop.org/0031-9155/54/i=23/a=010?rss=2.0 Author(s): A Abate, M C Pressello, M Benassi and L Strigari<br>Affiliation(s): Laboratory of Medical Physics and Expert Systems, Regina Elena National Cancer Institute, Rome, Italy; Department of Medical Physics, San Camillo Forlanini Hospital, Rome, Italy Tue, 17 Nov 2009 00:00:00 GMT Combined optical and single photon emission imaging: preliminary results http://stacks.iop.org/0031-9155/54/i=23/a=L01?rss=2.0 Author(s): Federico Boschi, Antonello E Spinelli, Daniela D'Ambrosio, Laura Calderan, Mario Marengo and Andrea Sbarbati<br>Affiliation(s): Department of Morphological-Biomedical Sciences, Section of Anatomy and Histology, University of Verona, Verona, Italy; Medical Physics Department, San Raffaele Scientific Institute, Milan, Italy; Medical Physics Department, S. Orsola Malpighi Hospital, Bologna, Italy Tue, 17 Nov 2009 00:00:00 GMT The equivalence of multi-criteria methods for radiotherapy plan optimization http://stacks.iop.org/0031-9155/54/i=23/a=011?rss=2.0 Author(s): Sebastiaan Breedveld, Pascal R M Storchi and Ben J M Heijmen<br>Affiliation(s): Department of Radiation Oncology, Erasmus MC Rotterdam, Groene Hilledijk 301, 3075 EA Rotterdam, The Netherlands Tue, 17 Nov 2009 00:00:00 GMT The correlation between mass-averaged SAR and temperature elevation in the human head model exposed to RF near-fields from 1 to 6 GHz http://stacks.iop.org/0031-9155/54/i=23/a=013?rss=2.0 Author(s): Akimasa Hirata and Osamu Fujiwara<br>Affiliation(s): Nagoya Institute of Technology, Japan Tue, 17 Nov 2009 00:00:00 GMT The effect of electron collimator leaf shape on the build-up dose in narrow electron MLC fields http://stacks.iop.org/0031-9155/54/i=23/a=012?rss=2.0 Author(s): T Vatanen, E Traneus, A Vaananen and T Lahtinen<br>Affiliation(s): Department of Oncology, Kuopio University Hospital, Box 1777, FIN-70211, Kuopio, Finland; RaySearch Laboratories AB, Sveavagen 25, SE-111 34 Stockholm, Sweden; Department of Physics, University of Kuopio, Box 1627, FIN-70211 Kuopio, Finland Tue, 17 Nov 2009 00:00:00 GMT