World Congress on Medical Physics and Biomedical Engineering September 7 - 12, 2009 Munich, Germany (eBook)

Is the MOSFET Dosimeter Feasible at Diagnostic X-Ray Energies for Interventional Radiology?.- Doses to Patients from Photo-Neutrons Emitted in a Medical Linear Accelerator.- Correlation between Radiation Sensitivity and Body Weight.- Simulation of Human Eye for Ophthalmic Brachytherapy Dosimetry Using MCNP-4C Code.- Radioprotective Effects of Hesperidin against Genotoxicity Induced by Gamma Irradiation in Human Lymphocytes.- Iranian doctor’s knowledge about received dose by patients in diagnostic radiology.- Biological Effect of Single, Very Large Dose Fractions as Used in Intraoperative Radiotherapy (IORT).- Molecular Mechanisms of Radiation-Induced Second Cancers.- Diagnostic Reference Levels in Computer Tomography at IPOCFG, EPE.- Estimation of External Natural Background Gamma Rays Doses to the Population of Caspian Coastal Provinces in North of Iran.- Patient Dosimetry and Image Quality in Conventional Diagnostic Radiology: A Practical Optimization Experience from a Serbian Hospital.- The Effect of Spatially Nonuniform Electromagnetic Field and Antitumor Drug on Growth of Maglinant Tumor.- Prevention of Overexposure by Means of Active Protective Reactions and Magnitude of Temporary Blinding from Visible Laser Radiation.- Dose Distribution in Pediatric CT Abdominal Examination: Phantom Study.- Ionization Effects Produced by Neutron Interaction Products in BNCT Field.- Criteria for Acceptability for Radiological, Nuclear Medicine and Radiotherapy Equipment – Part 4: Nuclear Medicine Equipment.- Criteria for Acceptability for Radiological, Nuclear Medicine and Radiotherapy Equipment – Part 3: Radiotherapy Equipment.- Half-Value Layer Measurement for Effective Energy, Using Radiochromic Film and Step-Shaped Aluminum Filter.- Influence on Erythropoiesis and Blood Catalase Activity Low Intensity Electromagnetic Millimeter Radiation.- Quality Assurance in Digital Volume Tomography.- Dicom Dose: CAPTURE AND REPORTING.- CT Quality Assurance Protocol and Its Validation in Various Ministry of Health Hospitals in Oman.- Precise Mapping of Skin Dose to Avoid Further Radiation-Induced Epilation.- The Comparative Analysis of Various Methods of CT Effective Doses Estimation.- Criteria for Acceptability for Radiological, Nuclear Medicine and Radiotherapy Equipment – Part 1: Introduction and Methodology.- Radiation Exposure to Critical Organs in Orthopantomography.- First Report of Radiation Dose to Pediatric Patients Arising from Diagnostic Chest and Abdomen Examination.- Dental Treatment with Fluoride at Various Stages of Tumor Therapeutic Irradiation.- Electron Absorbed Fractions in Skeletal Soft Tissues Based on Red Bone Marrow Segmentation at Runtime in ?CT Images of Human Trabecular Bone.- Patient Dose Reduction in Some Routine Radiographic Examination in Iran.- A Study of Maternal and Foetal Doses Arising from V/Q and CTPA Scanning during Pregnancy.- Study and Analysis of Radiation Level at Different Hospitals in Nepal.- Radiation Protection in Cardiac Catheterization Laboratories: Non-shielded Parts of the Body Contribute Significantly to the Effective Dose of the Operator.- Calculation of Normalized Organ Doses for Pediatric Patients Undergoing CT Examinations on Four Types of CT Scanner.- Preview of a Series of Adult Human Phantoms for Radiation Protection Dosimetry.- Optical Enhancement of DNA-Base Radio-Resistivity.- Radiology Workload Analysis – Role and Relevance in Radiation Protection in Diagnostic Radiology.- Use of Active Personal Dosemeters in Interventional Radiology: A Systematic Study in Laboratory Conditions.- Diagnostic Reference Levels in Cardiology and Interventional Radiology.- Compensator for Advanced Radiation Field Homogeneity.- Differences in Gamma-H2AX Foci Formation after Irradiation with Continuous and Pulsed Proton Beams.- Diagnostic Reference Levels in Computed Tomography in Switzerland.- A New Method to Measure Shielding Properties of Protective Clothing Materials.- Radiation Response of Normal Tissues and Tumors to Carbon Ion Irradiation.- The Impact of the 2007 Recommendations of the International Commission on Radiological Protection (ICRP) in Medical Applications.- Estimation of Patient Doses from Interventional Radiology Procedures in Pakistan Result of IAEA Project RAS /9/047.- Inhibiting Survivin Expression Increases the Radiosensitivity of Human Hepatoma HepG2 Cells to High-LET Carbon Ions.- Extremity and Eye Lens Doses of the Staff during Interventional Radiology Procedures – First Results.- GafChromic® Film Measurements for Microbeam Radiation Therapy (MRT).- Application of the New ICRP Reference Phantoms to Internal Dosimetry: Calculation of Specific Absorbed Fractions of Energy for Photons and Electrons.- Dose-Area-Product to Effective Dose in Interventional Cardiology and Radiology.- The Reference Computational Phantoms Adopted by ICRP and ICRU.- Indoor Radon Measurement in Some Apartments of Mashhad City (Iran).- Mammodos – In-Vivo Dosimetry in Mammography.- Investigation of the Specific Absorption Rate for a 7 Tesla T/R Body Array.- Lessons Learned from 25 Years in Exploring Norwegian Radiology Practices from a Radiation Protection Point of View.- Calibration of Semiconductor Detectors for Dosimetry in Diagnostic Radiology.- Charge Recombination Correction in the Dosimetry by Means Ionization Chambers of a High Dose-per-Pulse Electron Accelerator for Intraoperative Radiation Therapy (IORT).- Doses to Patients in Interventional Cardiology.- Criteria for Acceptability for Radiological, Nuclear Medicine and Radiotherapy Equipment – Part 2: Radiology Equipment.- TL Response Study at Dosimetry of 106 Ru/Rh Ophthalmic Applicator.- The Exposure Assessment of Pulsed Magnetic Fields – A Comparison between Physiological Backgrounds and Guidelines.- Accelerated Hypo-Fractionation by Biological Equivalent DVH for Patients Affected by Gastric Carcinoma in Postoperative Concomitant Radiochemotherapy.- Reducing Non-uniformity Error of Radiochromic Film in the Diagnostic Range by Ultraviolet Exposure: Preliminary Study.- Investigation of Acceptance Criteria for the gamma-index in Scanned Carbon Ion Radiotherapy.- Feasibility of Polycrystalline Alanine-in-Glass Tubes as Gamma-Ray Dosimeters.- The Risk for Secondary Cancers in Patients Treated for Prostate Carcinoma – An Analysis with the Competition Dose Response Model.- Evaluating the Dosimetric Effect of Lack of Side-Scatter Volume for Measurements of Large Fields with an Integration Diode Array.- Radon Measurement in Drinking Water Samples of Mashhad City in Iran.- Water-Equivalent Calibration of 192 Ir HDR Brachytherapy Source using MAGIC Gel Polymer.- Doses to patients for computed tomography in Sarajevo.- Biological Effects of Densely Ionizing Radiation.- Track Structure and Biological Effects of Densely Ionizing Radiation.- Patient Radiation Doses during Cardiac Angiography and Implantations of Cardiac Resynchronization Devices. Deriviation of Local DRLs.- Protection of Human Health and the Environment by Means of Predisposal Management of Medical Solid Radioactive Waste.- The Effect of Activated Water on Staphylococcal Infection in Vivo in Animal Model and in Vitro on Staphylococcus Aureus Culture.- Evaluation of SAR in a Finite Element Human Body Model Imposed to Magnetic Fields Generated by a MRI Bird Cage Coil.- Exploring the Use of the Tarmed Coding System for Establishing the Annual Frequency of Medical x-Ray Examinations in Switzerland.- Simulation of Beta-Emitters for Radiopharmaceutical Dosimetry using Voxel Phantoms and Monte Carlo Calculations.- Characterization of a Radiochromic Solid Polymer Dosimeter According to Its’ Composition.- Radiosensitizing Effect of IUdR Combined with Co-60 ? Radiation on Malignant Glioma Spheroids.- The Use of Radiobiological Parameters and the Evaluation of NTCP Models. How Do They Affect the Ability to Estimate Radiation Induced Complications?.- Simulating Dose and Cancer Risk due to Low-Dose Neutron Background in Proton Beam Therapy.- Characterization of Barite and Crystal Glass as Attenuators in x-Ray and Gamma Radiation Shielding.- Population Exposure from Medical X-Rays in Germany: Time Trends – 1996 to 2005.- Paediatric Organ and Effective Doses in Dental Cone Beam Computed Tomography.- Why No One Believes Us: Cognitive Neuroscience and Radiation Risk.- Numerical Estimation of Peak/Average SAR Ratio for Different Thorax Models.- The Lower Detection Limit of GR-200A and MCP-100D Thermoluminescence Dosimeters at Different Readout and Annealing Temperatures.- Air Kerma-Area Product in Pediatric X-Ray Examinations of Paranasal Sinuses: An Indirect Method of Assessment.- Dosimetry Studies on a Fetus Model Combining Medical Image Information and a Synthetic Woman Body.- Use of a Standard Ionization Chamber at Different Distances in Diagnostic Radiology Beams.- Implementation of Tube Current Modulation in CT Dose Computations with Voxel Models.- Trends in Dosimetry at the Neonatal Intensive Care Unit.- Evaluation of the Radiological Risk for Premenopausic Women in a Breast Cancer Early Detection Program.- Study on Local Maximum Skin Doses to Patients Undergoing Cardiac Procedures.- Validation of a MC Code to Assess Patient Doses from Cone Beam CT in Dentistry.- Design of an Experimental Set Up for MRI Induced Heating Measurement on Biomedical Implants.- Approved Personal Dosimetry for Medical Personnel using Direct Ion Storage Dosimeters.- Simulating Mammographic Absorption Imaging and Its Radiation Protection Properties.- Dosimetry and Quality Control in Medical Imaging Applications.- Patient Dose Measurements in Full Field Digital Mammography and Comparison with Dose to the Standard Breast.- Implementation on Methodology for TLD Postal Dosimetry Audit of Radiotherapy Photon Beams in Non-reference Conditions in Cuba.- A Tissue-Equivalent Radioluminescent Fiberoptic Probe for In-Vivo Dosimetry Based on Mn-Doped Lithium Tetraborate.- Applicability of Imaging Plates for Individual Monitoring.- Evaluation of Radiation Doses Inside a Phantom of Mammography Utilizing Compton Spectrometry.- Comparison of Dose Distribution of Ionizing Radiation in a Water Phantom with Frequency of Cytogenetic Damage in a Human Bronchial Cells.- Comprehensive Evaluation of On-position Leakage from Source Head of Bhabhatron-II Telecobalt Unit.- Patient Exposure from Interventional Cardiology Procedures in Slovenia.- Measurement of Entrance Skin Dose Due the Imaging Systems for Treatment Planning of Stereotactic Radiosurgery of Arteriovenous Malformations.- Gamma Dose Rate Measurement and Dose Rate Calculation of Sensitive Organs in the Vicinity of Hot Springs in Kerman Province, Southeastern Iran.- Effect of Varying Phantom Size in Dosimetry of Iridium-192: A Comparison of Experimental Data with EGSnrc Monte Carlo Calculation.- Validating Methodologies for Evaluation of Patient Doses Submitted to Chest X-Ray Examinations.- Scattering Medium Depth and Cell Monolayer Positioning with Respect to Beam Field Affect Cell Viability.- Effect of Modulated Microwave Exposure on Spectral Asymmetry of Human EEG.- Trigger Levels to Prevent Tissue Reaction in Interventional Radiology Procedures.- Absorbed Dose Enhancement Caused by Gold Particles in Polymer Gels.- Assessment of the Self-Developing Films Usefulness in Interventional Radiology.- Biology of High Dose-High Precision Radiotherapy – Experience from Brachytherapy of Cervix Cancer.- Evaluation of Dose Dependent Structural Changes in 3D Brain Micro-Vasculature in Response to Heavy Particle Radiation Exposure.- Simultaneous Measurements of Electrical and Optical Properties of Radiochromic Films Exposed to UV Radiation as a Function of Temperature.- Linear Accelerator Direct Shielded Doors – An Approach for Calculating the Specialized Shielding Required Adjacent to the Door.- Database MAMOLIT for Mammography Screening Patients in Lithuania.- The Effects of Hydrogenous Medium on MRI Image of MAGICA Gel Dosimeter.- Overview of Dosimetry and Self-shielding Models in Ultraviolet Phototherapy.- Low Cost Alternative to Lead Glass Shielding in PET/CT Control/Scanner Room Window.- Magnetic-Resonance-Imaging Based Polymer Gel Dosimetry: Methodology, Spatial Resolution, Applications.- Effective Dose Contribution of Cone-Beam CT Acquisition during Uterine Artery Embolization: A Phantom Study.- Evaluation of Effective Patient Dose in Paranasal Sinus Imaging: Comparison of Cone Beam CT, Digital Tomosynthesis and Multi Slice CT.- Exploring the Techniques for Radiation Leakage Measurements of a Telegamma Machine.- Measurements and EGSnrc Monte Carlo Simulations for Thimble Ion Chambers with Various Metal Caps at 60Co Beams.- Monte Carlo calculations of the perturbation factor pcav for various Air cavities and guard ring widths in clinical electron beams.- The ORAMED Project: Optimisation of Radiation Protection for Medical Staff.- Radiation Dose to Patients from Radiopharmaceuticals.- Alanine Dosimetry – A Versatile Dosimetric Tool.- Three Dimensional Dose Verification of Intensity Modulated Radiosurgery Using Polymer-Gel Dosimetry.- RADEM - recombination ambient dose equivalent meter for neutron dosimetry around medical accelerators.- How Far Old Technology and Practices Are in Use in Radiology?.- Effective Dose - A Flawed Concept That Could and Should Be Replaced.- Status of Radiation Protection of Patients in Developing Countries.- Training of Doctors Using Fluoroscopy.- WHO’s Role in the Assessment of Medical Radiation Exposures and Devices.- Laser Particle Acceleration for Radiotherapy: A first radiobiological characterization of laser accelerated electrons.- Medical Exposure Issues in the Revision of the International Basic Safety Standards for Protection against Ionization Radiation and for the Safety of Radiation Sources.- A Kinetic Model for Tumor Survival Curves: Its Relation to the Linear-Quadratic Model.- Induction of DNA doublestrand-breaks along the tracks of low energy protons.- New Materials for Radiation Protection Buildings Monte Carlo-Simulations and Measurements for X-rays Protons and Carbon Ions.- Fetal Dose Evaluation in X-Ray Radiotherapy in Cases of Advanced Gestation.- Neutron spectrometry and determination of neutron ambient doses in radiotherapy treatments under different exposure conditions.- First Results of a Multi Centre Study about Reduction of X-ray Exposure due to Surgical Navigation for Pedicel Screw Placement in Spine Surgery.- Patient Doses in Latin American Countries.- Slowing the increase in the collective dose resulting from CT scans.- Patient Doses in CT and Radiography in Africa.- Melatonin modulates the expression of “vascular endothelial growth factor” gene in irradiated rat cervical spinal cord.- Comparison of Lead-free and Conventional x-ray aprons for Diagnostic Radiology.- Regulatory Aspects in Industrial Gamma Radiography in Iran.- Relation between Childhood Leukemia and High Power Lines in Tehran - Iran.- Survey of Image Quality and Patient Dose in Simple Radiographic Examinations in Madagascar: Initial Results.- In-Phantom Peripheral Organ Doses from Prostate Irradiation Using 18 MV External Beam Radiotherapy Measured with 6LiF:Mg,Cu,P & 7LiF:Mg,Cu,P Glass-Rod TLDs.- Optimization of radiation protection in mammography in Lithuania.- Patient Dose and Image Quality Evaluation in Common Radiographic Examinations in Sudan.- Spectra Determination for a Cone Beam Computed Tomography System through the Employment of a CdTe Detector.- Informed Consent: Communicating Radiation Risk.- Calculation of Radiation Dose from a Cloud of Radioactive Iodine Using Voxel Phantoms and Monte Carlo Methods.- Towards higher level of patient safety and control of medical exposure in Bulgaria.- Establishment of In-vitro 60Co Dose Calibration Curve for Dicentrics in National Biodosimetry Laboratory of Malaysia.- A Simple Temperature Measuring Device for a Calorimeter System for Adsorbed Dose Measurements.- Effect of Modulated Microwave Radiation on Brain Electrical Oscillations.- Dosimetric impact of accidental irradiations on radiotherapy facility workers and considerations on personal monitoring.- What Are the Radiation Risks to Communicate?.- Initiatives of IRPA in Risk Communication.- Investigation of Image Quality and Patient Doses in X-Ray Diagnostic Radiology in Zimbabwe.- Convenient Method of Thermal Neutron Measurement Using Imaging Plates in Proton Therapy.- Dosimetric Evaluation of Movement of Tumor Target Using Intensity Modulation Radiation Therapy (IMRT) for Lung Cancer Patients.- Indoor Radon Concentration in the City of Sharjah, United Arab Emirates.- A Placebo-Controlled Study of Far Infrared Ray Applied to ‘Phantom Limb’.- Identification of Neutron-Induced Isotopes in Varian LINAC System.- Estimation of Core Temperature Elevation in Humans and Animals for Radio-Frequency Exposures.- Mammography Services in Malaysia: Review of Patient Dose Surveys in Mammography.- Surveys of image quality and patients doses in simple radiographic examinations in Armenia.- Evaluation of Average Glandular Doses in UAE Hospitals.- Patient Individual Equivalent Dose Calculations for CT Examinations.- Monitoring Patient Peak Skin Doses in Interventional Cardiology by Means of XR-RV2 Gafchromic Films.- Survey and Reduction of Patient Doses in Computed Tomography.- Evaluation of Patient Doses from Verification Techniques in Image-Guided Radiotherapy (IGRT).- Biological Effects of Ionising Radiation-with Special Emphasis on Low Level Doses.- Quality and Radiation Doses in Mammograms: Brazil Sampling Data.- Patient Dose Versus Image Quality in Digital Mammography at Instituto Português de Oncologia de Coimbra (IPOC) – Portugal.- Image Gently: An International Education and Communication Campaign in Radiology to Promote Radiation Protection for Children.- Digital image quality indexes for CIRS SP01 and CDMAM 3.4 mammographic phantoms.- Residual Radiation of Medical Linear Accelerators: Special Radiation Protection Aspects.- Measurement of Orthovoltage X-Ray Intensity with a Lithium Niobate Transducer.- Survey of Image Quality and Radiographic Technique of Pediatric Chest Examinations Performed in Brazil.- Effect of Different Ultrasonic Duty cycle and Exposure Duration on the Amyloid-? 25-35 Induced PC-12 Apoptosis.- Study of Entrance Surface Skin Dose in Veterinary Radiology.- Uranium and radon in the Italian Western Alps.- Tube Housing Leakiness Radiation and Patient Related Radiation Protective Measures – Gonads Radiation Exposure from Panoramic Radiography.