Comparing Intensity modulated proton therapy (IMPT) vs helicoidal tomotherapy (HT) for nasopharynx cancer patients

March 9, 2008

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Comparing Intensity modulated proton therapy (IMPT) vs helicoidal tomotherapy (HT) for nasopharynx cancer patients
Authors:     Alessio Pierelli1, Lamberto Widesott2, Claudio Fiorino1, Italo Dell’Oca3, Giovanni Mauro Cattaneo1, Markus Alber4, Martin Soukup4, Marco Schwarz2, Ferruccio Fazio3, Riccardo Calandrino1 1Fisica Sanitaria, H. S. Raffaele, Milano, Italy; 2ATreP, Agenzia Provinciale Per la Protonterapia, Trento, Italy; 3Radioterapia, H. S. Raffaele, Milano, Italy; 4Medical Physics, Tubingen University, Tubingen, Germany
Presenter:     Pierelli Alessio

Keywords : body cancer clinical compared coverage decreased deliver dose esophagus gy helical homogeneity ht impt integral intensity italy larynx median medium-to-low milano mm modulated mucosae oars optimised parotids patients planning ptv1 ptvs raffaele reduction respectively sparing spinal step system target technique therapy thyroid tomotherapy treatment v20 v30 v50 values volume

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Basic Physics Behind New Imaging Techniques : PET

March 9, 2008

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Basic Physics Behind New Imaging Techniques : PET
Authors:     S.I. Ziegler. Nuklearmedizinische Klinik und Poliklinik. Klinikum rechts der Isar Technische Universität München
Presenter:     Ziegler Sybille

Keywords : 2d ae al attenuation bgo ce cm3 coincidence concentration correction crystal ct detector emission energy et gso imaging influence kev labr3 light local lower lso magnetic measured methods mev min mm mr ns pet problem ps random receptors reconstruction reduction resolution scatter sensitivity spatial system timing tissue transport true

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Active neutron monitor for radiotherapy linac

March 9, 2008

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Active neutron monitor for radiotherapy linac
Authors:     F. Gómez 1, L. Brualla2, D. M. González1, F. X. Guerre3, F. Gutierrez4, A. Iglesias1, A. Pazos1, J. Pena1, M. Pombar5, J. V. Roselló2, F. Sanchez-Doblado6, M. Zapata1. 1 Universidade de Santiago de Compostela; Hospital Clínico Universitario de Santiago (CHUS); CIEMAT (Madrid) – Spain 2 Hospital General Universitario, Servicio d Radiofisica, ERESA, Valencia, Spain 3 Hirex Engeneering, , Toulouse, France 4 Tecnológica Componentes Electrónicos SA, , Madrid, Spain 5 Complexo Hospitalario Universitario de Santiago (CHUS), Servicio de Radiofisica, Santiago de Compostela, Spain 6 Hospital Universitario Vrgen Macarena, Universidad Sevilla, Servicio de Radiofisica, Dpto. Fis. Med. y Biofisica, Sevilla, Spain
Presenter:     Gómez Rodríguez Faustino

Keywords : active based compostela counting data de detection detector devices dose electronic energy error event fig fluence gamma induced interaction linac measurements memory monitor mv neutron operation primus principle production prototype radiation radiotherapy readout reliable room rt santiago sensitive several siemens slow soft spain sram system tests treatment uncertainty universitario

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Accuracy of treatment position localization using 2D registration and Cone beam CT imaging techniques

March 9, 2008

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Accuracy of treatment position localization using 2D registration and Cone beam CT imaging techniques
Authors:     L. Santanam, J. Esthappan, W.L.Thorstad, I. El Naqa, R.Drzymala, J.Hubenschmidt, S.Mutic, S.M. Goddu, E.Klein, D.A. Low. Dept. of Radiation Oncology, Washington University, St. Louis, MO,USA
Presenter:     Santanam Lakshmi

Keywords : 2d 3d accuracy algorithm anthropomorphic ap attached cbct cm couch ct deg detected different drrs error fig head images infrared irts kv lat lateral lng markers medical obi observer optical ots phantom planning portal position reflective registration rotation seen shifts shows system technique tracking transferred translate treatment used varian jaw

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Accuracy of a patient positioning system for image-guided frameless stereotactic IMRT treatments

March 9, 2008

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Accuracy of a patient positioning system for image-guided frameless stereotactic IMRT treatments
Authors:     O.S. Dohm1, A. Hönes2, F. Paulsen3, M. Alber1 1Forschungssektion Biomedizinische Physik, Universitätsklinikum Tübingen, Germany. 2Abteilung Medizinische Physik, Universitätsklinikum Tübingen, Germany. 3Abteilung Strahlentherapie, Universitätsklinikum Tübingen, Germany
Presenter:     Dohm Oliver

Keywords : -0 a-p adjustable applied bingen c-c cast clinic cm constructed correction ct data deg degrees deviation device displacements elekta errors evaluation figure fraction frameless germany imrt including l-r mask-mount masks mm patient physik positioning possible reduce rotational scotch shows standard stereotactic system table translational treatments tsklinikum universit used values yaw

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Accumulation of systematic errors in treatment planning of 192Ir PDR brachytherapy using a ring applicator

March 9, 2008

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     Accumulation of systematic errors in treatment planning of 192Ir PDR brachytherapy using a ring applicator
Authors:     P M A van Haaren, N van Wieringen, K Koedooder, H van der Grient, J Wiersma, A Bel. Academic Medical Center, University of Amsterdam
Presenter:     van Haaren Paul

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A new add-on electron multi-leaf collimation (eMLC) – Dosimetry and dose calculation using a new beam model with Voxel Monte Carlo++

March 9, 2008

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     A new add-on electron multi-leaf collimation (eMLC) – Dosimetry and dose calculation using a new beam model with Voxel Monte Carlo++
Authors:     Tero Vatanen1, Erik Traneus2 and Tapani Lahtinen1,3 1Department of Oncology, Kuopio University Hospital, FIN-70211 Kuopio, Finland; 2Nucletron Scandinavia AB, Box 1704, SE-751 47 Uppsala, Sweden; 3Department of Applied Physics, University of Kuopio, FIN-70211 Kuopio, Finland
Presenter:     Vatanen Tero

Keywords : 10×10 agreement al applicator beam calculation carlo chamber clinical cm cm2 collimated distance dose electron emlc energy et field gamma kernel kuopio lahtinen leaf linac masterplan med mev model monte multi-leaf oncentra oncology phase photon phys planning profiles prototype size ssd traneus treatment university vatanen version vmc voxels wall

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A Model of Reoxygenation Kinetics of Chronically Hypoxic Tumor Regions

March 9, 2008

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     A Model of Reoxygenation Kinetics of Chronically Hypoxic Tumor Regions
Authors:     R.A. Popple and I.A. Brezovich Department of Radiation Oncology, The University of Alabama at Birmingham, Birmingham, Alabama
Presenter:     Popple Richard

Keywords : alabama birmingham brezovich cap cells chronically click clonogens cm3 cylinder department distribution dr due equation figure flow fraction function hemoglobin hg hypoxia hypoxic keywords kinetics mm model number oncology oncozone online popple presenter pressure previous publications radiation regions reoxygenation required richard rights sf slab survival tissue title transport tumor

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A Generalized Linear-Quadratic Formula for High-Dose-Rate Brachytherapy and Radiosurgery

March 9, 2008

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     A Generalized Linear-Quadratic Formula for High-Dose-Rate Brachytherapy and Radiosurgery
Authors:     Jian Z Wang, PhD,1 Nina A Mayr, MD,1 William TC Yuh, MD, MSEE2 Department of 1Radiation Medicine and 2Radiology, The Ohio State University, Columbus, OH
Presenter:     Wang Jian

Keywords : arbitrary astro basd brachytherapy bridge cancer cell conventional damage data department derived dose eq exp experience fig fit formula fractions further generalized glq guide gy hdr hela human igrt irradiation killing lesion lethal linear-quadratic lq md model overestimate radiation radiosurgery rate response rt slide study sublethal ti-1 used wang

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3D in vivo dosimetry by means of entrance dosimetry for dose guided radiotherapy

March 9, 2008

Oncozone Publications / Radiation Oncology / Online Article Locator

Title:     3D in vivo dosimetry by means of entrance dosimetry for dose guided radiotherapy
Authors:     B.-M. Hesse, S. Nill, T. Tücking, U. Oelfke. Radioonkologie und Strahlentherapie Radiologische Klinik, Universitätsklinikum Heidelberg
Presenter:     Hesse Bernd

Keywords : 3d a1 applied calibration compared ct de-convolution deconvolve delivered detector distribution dose dosimetry entrance film flat-panel fluence fluoroscopic guidance guided hesse ii iii image imrt inverse kv linac measured novel open photon planned plate portal position primary radiotherapy raw reconstruction response rw3 schematic sequence spectra steps treatment tube verification

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