World Congress on Medical Physics and Biomedical Engineering, September 7 - 12, 2009, Munich, Germany: Vol. 25/3 Radiation Protection and Dosimetry, Biological Effects of Radiation

Front Matter....Pages -
Is the MOSFET Dosimeter Feasible at Diagnostic X-Ray Energies for Interventional Radiology?....Pages 1-2
Doses to Patients from Photo-Neutrons Emitted in a Medical Linear Accelerator....Pages 3-6
Correlation between Radiation Sensitivity and Body Weight....Pages 7-8
Simulation of Human Eye for Ophthalmic Brachytherapy Dosimetry Using MCNP-4C Code....Pages 9-12
Radioprotective Effects of Hesperidin against Genotoxicity Induced by Gamma Irradiation in Human Lymphocytes....Pages 13-13
Iranian doctor’s knowledge about received dose by patients in diagnostic radiology....Pages 14-17
Biological Effect of Single, Very Large Dose Fractions as Used in Intraoperative Radiotherapy (IORT)....Pages 18-21
Molecular Mechanisms of Radiation-Induced Second Cancers....Pages 22-25
Diagnostic Reference Levels in Computer Tomography at IPOCFG, EPE....Pages 26-29
Estimation of External Natural Background Gamma Rays Doses to the Population of Caspian Coastal Provinces in North of Iran....Pages 30-32
Patient Dosimetry and Image Quality in Conventional Diagnostic Radiology: A Practical Optimization Experience from a Serbian Hospital....Pages 33-36
The Effect of Spatially Nonuniform Electromagnetic Field and Antitumor Drug on Growth of Maglinant Tumor....Pages 37-40
Prevention of Overexposure by Means of Active Protective Reactions and Magnitude of Temporary Blinding from Visible Laser Radiation....Pages 41-44
Dose Distribution in Pediatric CT Abdominal Examination: Phantom Study....Pages 45-48
Ionization Effects Produced by Neutron Interaction Products in BNCT Field....Pages 49-52
Criteria for Acceptability for Radiological, Nuclear Medicine and Radiotherapy Equipment – Part 4: Nuclear Medicine Equipment....Pages 53-55
Criteria for Acceptability for Radiological, Nuclear Medicine and Radiotherapy Equipment – Part 3: Radiotherapy Equipment....Pages 56-57
Half-Value Layer Measurement for Effective Energy, Using Radiochromic Film and Step-Shaped Aluminum Filter....Pages 58-61
Influence on Erythropoiesis and Blood Catalase Activity Low Intensity Electromagnetic Millimeter Radiation....Pages 62-65
Quality Assurance in Digital Volume Tomography....Pages 66-69
Dicom Dose: CAPTURE AND REPORTING....Pages 70-73
CT Quality Assurance Protocol and Its Validation in Various Ministry of Health Hospitals in Oman....Pages 74-77
Precise Mapping of Skin Dose to Avoid Further Radiation-Induced Epilation....Pages 78-81
The Comparative Analysis of Various Methods of CT Effective Doses Estimation....Pages 82-84
Criteria for Acceptability for Radiological, Nuclear Medicine and Radiotherapy Equipment – Part 1: Introduction and Methodology....Pages 85-88
Radiation Exposure to Critical Organs in Orthopantomography....Pages 89-92
First Report of Radiation Dose to Pediatric Patients Arising from Diagnostic Chest and Abdomen Examination....Pages 93-95
Dental Treatment with Fluoride at Various Stages of Tumor Therapeutic Irradiation....Pages 96-98
Electron Absorbed Fractions in Skeletal Soft Tissues Based on Red Bone Marrow Segmentation at Runtime in μCT Images of Human Trabecular Bone....Pages 99-102
Patient Dose Reduction in Some Routine Radiographic Examination in Iran....Pages 103-105
A Study of Maternal and Foetal Doses Arising from V/Q and CTPA Scanning during Pregnancy....Pages 106-109
Study and Analysis of Radiation Level at Different Hospitals in Nepal....Pages 110-113
Radiation Protection in Cardiac Catheterization Laboratories: Non-shielded Parts of the Body Contribute Significantly to the Effective Dose of the Operator....Pages 114-115
Calculation of Normalized Organ Doses for Pediatric Patients Undergoing CT Examinations on Four Types of CT Scanner....Pages 116-119
Preview of a Series of Adult Human Phantoms for Radiation Protection Dosimetry....Pages 120-123
Optical Enhancement of DNA-Base Radio-Resistivity....Pages 124-127
Radiology Workload Analysis – Role and Relevance in Radiation Protection in Diagnostic Radiology....Pages 128-131
Use of Active Personal Dosemeters in Interventional Radiology: A Systematic Study in Laboratory Conditions....Pages 132-135
Diagnostic Reference Levels in Cardiology and Interventional Radiology....Pages 136-139
Compensator for Advanced Radiation Field Homogeneity....Pages 140-141
Differences in Gamma-H2AX Foci Formation after Irradiation with Continuous and Pulsed Proton Beams....Pages 142-145
Diagnostic Reference Levels in Computed Tomography in Switzerland....Pages 146-149
A New Method to Measure Shielding Properties of Protective Clothing Materials....Pages 150-153
Radiation Response of Normal Tissues and Tumors to Carbon Ion Irradiation....Pages 154-157
The Impact of the 2007 Recommendations of the International Commission on Radiological Protection (ICRP) in Medical Applications....Pages 158-161
Estimation of Patient Doses from Interventional Radiology Procedures in Pakistan Result of IAEA Project RAS /9/047....Pages 162-165
Inhibiting Survivin Expression Increases the Radiosensitivity of Human Hepatoma HepG2 Cells to High-LET Carbon Ions....Pages 166-169
Extremity and Eye Lens Doses of the Staff during Interventional Radiology Procedures – First Results....Pages 170-173
GafChromic ® Film Measurements for Microbeam Radiation Therapy (MRT)....Pages 174-177
Application of the New ICRP Reference Phantoms to Internal Dosimetry: Calculation of Specific Absorbed Fractions of Energy for Photons and Electrons....Pages 178-180
Dose-Area-Product to Effective Dose in Interventional Cardiology and Radiology....Pages 181-184
The Reference Computational Phantoms Adopted by ICRP and ICRU....Pages 185-188
Indoor Radon Measurement in Some Apartments of Mashhad City (Iran)....Pages 189-190
Mammodos – In-Vivo Dosimetry in Mammography....Pages 191-193
Investigation of the Specific Absorption Rate for a 7 Tesla T/R Body Array....Pages 194-196
Lessons Learned from 25 Years in Exploring Norwegian Radiology Practices from a Radiation Protection Point of View....Pages 197-200
Calibration of Semiconductor Detectors for Dosimetry in Diagnostic Radiology....Pages 201-204
Charge Recombination Correction in the Dosimetry by Means Ionization Chambers of a High Dose-per-Pulse Electron Accelerator for Intraoperative Radiation Therapy (IORT)....Pages 205-208
Doses to Patients in Interventional Cardiology....Pages 209-210
Criteria for Acceptability for Radiological, Nuclear Medicine and Radiotherapy Equipment – Part 2: Radiology Equipment....Pages 211-214
TL Response Study at Dosimetry of 106 Ru/Rh Ophthalmic Applicator....Pages 215-218
The Exposure Assessment of Pulsed Magnetic Fields – A Comparison between Physiological Backgrounds and Guidelines....Pages 219-222
Accelerated Hypo-Fractionation by Biological Equivalent DVH for Patients Affected by Gastric Carcinoma in Postoperative Concomitant Radiochemotherapy....Pages 223-226
Reducing Non-uniformity Error of Radiochromic Film in the Diagnostic Range by Ultraviolet Exposure: Preliminary Study....Pages 227-230
Investigation of Acceptance Criteria for the gamma-index in Scanned Carbon Ion Radiotherapy....Pages 231-233
Feasibility of Polycrystalline Alanine-in-Glass Tubes as Gamma-Ray Dosimeters....Pages 234-236
The Risk for Secondary Cancers in Patients Treated for Prostate Carcinoma – An Analysis with the Competition Dose Response Model....Pages 237-240
Evaluating the Dosimetric Effect of Lack of Side-Scatter Volume for Measurements of Large Fields with an Integration Diode Array....Pages 241-244
Radon Measurement in Drinking Water Samples of Mashhad City in Iran....Pages 245-247
Water-Equivalent Calibration of 192 Ir HDR Brachytherapy Source using MAGIC Gel Polymer....Pages 248-251
Doses to patients for computed tomography in Sarajevo....Pages 252-254
Biological Effects of Densely Ionizing Radiation....Pages 255-257
Track Structure and Biological Effects of Densely Ionizing Radiation....Pages 258-261
Patient Radiation Doses during Cardiac Angiography and Implantations of Cardiac Resynchronization Devices. Deriviation of Local DRLs....Pages 262-264
Protection of Human Health and the Environment by Means of Predisposal Management of Medical Solid Radioactive Waste....Pages 265-268
The Effect of Activated Water on Staphylococcal Infection in Vivo in Animal Model and in Vitro on Staphylococcus Aureus Culture....Pages 269-272
Evaluation of SAR in a Finite Element Human Body Model Imposed to Magnetic Fields Generated by a MRI Bird Cage Coil....Pages 273-276
Exploring the Use of the Tarmed Coding System for Establishing the Annual Frequency of Medical x-Ray Examinations in Switzerland....Pages 277-279
Simulation of Beta-Emitters for Radiopharmaceutical Dosimetry using Voxel Phantoms and Monte Carlo Calculations....Pages 280-283
Characterization of a Radiochromic Solid Polymer Dosimeter According to Its’ Composition....Pages 284-287
Radiosensitizing Effect of IUdR Combined with Co-60 γ Radiation on Malignant Glioma Spheroids....Pages 288-291
The Use of Radiobiological Parameters and the Evaluation of NTCP Models. How Do They Affect the Ability to Estimate Radiation Induced Complications?....Pages 292-294
Simulating Dose and Cancer Risk due to Low-Dose Neutron Background in Proton Beam Therapy....Pages 295-297
Characterization of Barite and Crystal Glass as Attenuators in x-Ray and Gamma Radiation Shielding....Pages 298-300
Population Exposure from Medical X-Rays in Germany: Time Trends – 1996 to 2005....Pages 301-304
Paediatric Organ and Effective Doses in Dental Cone Beam Computed Tomography....Pages 305-308
Why No One Believes Us: Cognitive Neuroscience and Radiation Risk....Pages 309-310
Numerical Estimation of Peak/Average SAR Ratio for Different Thorax Models....Pages 311-314
The Lower Detection Limit of GR-200A and MCP-100D Thermoluminescence Dosimeters at Different Readout and Annealing Temperatures....Pages 315-317
Air Kerma-Area Product in Pediatric X-Ray Examinations of Paranasal Sinuses: An Indirect Method of Assessment....Pages 318-320
Dosimetry Studies on a Fetus Model Combining Medical Image Information and a Synthetic Woman Body....Pages 321-324
Use of a Standard Ionization Chamber at Different Distances in Diagnostic Radiology Beams....Pages 325-328
Implementation of Tube Current Modulation in CT Dose Computations with Voxel Models....Pages 329-332
Trends in Dosimetry at the Neonatal Intensive Care Unit....Pages 333-335
Evaluation of the Radiological Risk for Premenopausic Women in a Breast Cancer Early Detection Program....Pages 336-339
Study on Local Maximum Skin Doses to Patients Undergoing Cardiac Procedures....Pages 340-343
Validation of a MC Code to Assess Patient Doses from Cone Beam CT in Dentistry....Pages 344-347
Design of an Experimental Set Up for MRI Induced Heating Measurement on Biomedical Implants....Pages 348-351
Approved Personal Dosimetry for Medical Personnel using Direct Ion Storage Dosimeters....Pages 352-354
Simulating Mammographic Absorption Imaging and Its Radiation Protection Properties....Pages 355-358
Dosimetry and Quality Control in Medical Imaging Applications....Pages 359-362
Patient Dose Measurements in Full Field Digital Mammography and Comparison with Dose to the Standard Breast....Pages 363-365
Implementation on Methodology for TLD Postal Dosimetry Audit of Radiotherapy Photon Beams in Non-reference Conditions in Cuba....Pages 366-366
A Tissue-Equivalent Radioluminescent Fiberoptic Probe for In-Vivo Dosimetry Based on Mn-Doped Lithium Tetraborate....Pages 367-370
Applicability of Imaging Plates for Individual Monitoring....Pages 371-374
Evaluation of Radiation Doses Inside a Phantom of Mammography Utilizing Compton Spectrometry....Pages 375-378
Comparison of Dose Distribution of Ionizing Radiation in a Water Phantom with Frequency of Cytogenetic Damage in a Human Bronchial Cells....Pages 379-382
Comprehensive Evaluation of On-position Leakage from Source Head of Bhabhatron-II Telecobalt Unit....Pages 383-385
Patient Exposure from Interventional Cardiology Procedures in Slovenia....Pages 386-389
Measurement of Entrance Skin Dose Due the Imaging Systems for Treatment Planning of Stereotactic Radiosurgery of Arteriovenous Malformations....Pages 390-392
Gamma Dose Rate Measurement and Dose Rate Calculation of Sensitive Organs in the Vicinity of Hot Springs in Kerman Province, Southeastern Iran....Pages 393-395
Effect of Varying Phantom Size in Dosimetry of Iridium-192: A Comparison of Experimental Data with EGSnrc Monte Carlo Calculation....Pages 396-399
Validating Methodologies for Evaluation of Patient Doses Submitted to Chest X-Ray Examinations....Pages 400-402
Scattering Medium Depth and Cell Monolayer Positioning with Respect to Beam Field Affect Cell Viability....Pages 403-405
Effect of Modulated Microwave Exposure on Spectral Asymmetry of Human EEG....Pages 406-409
Trigger Levels to Prevent Tissue Reaction in Interventional Radiology Procedures....Pages 410-413
Absorbed Dose Enhancement Caused by Gold Particles in Polymer Gels....Pages 414-415
Assessment of the Self-Developing Films Usefulness in Interventional Radiology....Pages 416-419
Biology of High Dose-High Precision Radiotherapy – Experience from Brachytherapy of Cervix Cancer....Pages 420-422
Evaluation of Dose Dependent Structural Changes in 3D Brain Micro-Vasculature in Response to Heavy Particle Radiation Exposure....Pages 423-426
Simultaneous Measurements of Electrical and Optical Properties of Radiochromic Films Exposed to UV Radiation as a Function of Temperature....Pages 427-430
Linear Accelerator Direct Shielded Doors – An Approach for Calculating the Specialized Shielding Required Adjacent to the Door....Pages 431-434
Database MAMOLIT for Mammography Screening Patients in Lithuania....Pages 435-438
The Effects of Hydrogenous Medium on MRI Image of MAGICA Gel Dosimeter....Pages 439-442
Overview of Dosimetry and Self-shielding Models in Ultraviolet Phototherapy....Pages 443-446
Low Cost Alternative to Lead Glass Shielding in PET/CT Control/Scanner Room Window....Pages 447-450
Magnetic-Resonance-Imaging Based Polymer Gel Dosimetry: Methodology, Spatial Resolution, Applications....Pages 451-454
Effective Dose Contribution of Cone-Beam CT Acquisition during Uterine Artery Embolization: A Phantom Study....Pages 455-457
Evaluation of Effective Patient Dose in Paranasal Sinus Imaging: Comparison of Cone Beam CT, Digital Tomosynthesis and Multi Slice CT....Pages 458-460
Exploring the Techniques for Radiation Leakage Measurements of a Telegamma Machine....Pages 461-463
Measurements and EGSnrc Monte Carlo Simulations for Thimble Ion Chambers with Various Metal Caps at 60 Co Beams....Pages 464-465
Monte Carlo calculations of the perturbation factor p cav for various Air cavities and guard ring widths in clinical electron beams....Pages 466-469
The ORAMED Project: Optimisation of Radiation Protection for Medical Staff....Pages 470-473
Radiation Dose to Patients from Radiopharmaceuticals....Pages 474-477
Alanine Dosimetry – A Versatile Dosimetric Tool....Pages 478-481
Three Dimensional Dose Verification of Intensity Modulated Radiosurgery Using Polymer-Gel Dosimetry....Pages 482-483
RADEM - recombination ambient dose equivalent meter for neutron dosimetry around medical accelerators....Pages 484-486
How Far Old Technology and Practices Are in Use in Radiology?....Pages 487-487
Effective Dose - A Flawed Concept That Could and Should Be Replaced....Pages 488-490
Status of Radiation Protection of Patients in Developing Countries....Pages 491-494
Training of Doctors Using Fluoroscopy....Pages 495-497
WHO’s Role in the Assessment of Medical Radiation Exposures and Devices....Pages 498-501
Laser Particle Acceleration for Radiotherapy: A first radiobiological characterization of laser accelerated electrons....Pages 502-504
Medical Exposure Issues in the Revision of the International Basic Safety Standards for Protection against Ionization Radiation and for the Safety of Radiation Sources ....Pages 505-507
A Kinetic Model for Tumor Survival Curves: Its Relation to the Linear-Quadratic Model....Pages 508-511
Induction of DNA doublestrand-breaks along the tracks of low energy protons....Pages 512-514
New Materials for Radiation Protection Buildings Monte Carlo-Simulations and Measurements for X-rays Protons and Carbon Ions....Pages 515-518
Fetal Dose Evaluation in X-Ray Radiotherapy in Cases of Advanced Gestation....Pages 519-522
Neutron spectrometry and determination of neutron ambient doses in radiotherapy treatments under different exposure conditions....Pages 523-526
First Results of a Multi Centre Study about Reduction of X-ray Exposure due to Surgical Navigation for Pedicel Screw Placement in Spine Surgery....Pages 527-528
Patient Doses in Latin American Countries....Pages 529-532
Slowing the increase in the collective dose resulting from CT scans....Pages 533-535
Patient Doses in CT and Radiography in Africa....Pages 536-539
Melatonin modulates the expression of “vascular endothelial growth factor” gene in irradiated rat cervical spinal cord....Pages 540-543
Comparison of Lead-free and Conventional x-ray aprons for Diagnostic Radiology....Pages 544-546
Regulatory Aspects in Industrial Gamma Radiography in Iran....Pages 547-550
Relation between Childhood Leukemia and High Power Lines in Tehran - Iran....Pages 551-553
Survey of Image Quality and Patient Dose in Simple Radiographic Examinations in Madagascar: Initial Results....Pages 554-556
In-Phantom Peripheral Organ Doses from Prostate Irradiation Using 18 MV External Beam Radiotherapy Measured with 6 LiF:Mg,Cu,P & 7 LiF:Mg,Cu,P Glass-Rod TLDs....Pages 557-560
Optimization of radiation protection in mammography in Lithuania....Pages 561-563
Patient Dose and Image Quality Evaluation in Common Radiographic Examinations in Sudan....Pages 564-566
Spectra Determination for a Cone Beam Computed Tomography System through the Employment of a CdTe Detector....Pages 567-570
Informed Consent: Communicating Radiation Risk....Pages 571-572
Calculation of Radiation Dose from a Cloud of Radioactive Iodine Using Voxel Phantoms and Monte Carlo Methods....Pages 573-575
Towards higher level of patient safety and control of medical exposure in Bulgaria....Pages 576-577
Establishment of In-vitro 60 Co Dose Calibration Curve for Dicentrics in National Biodosimetry Laboratory of Malaysia....Pages 578-581
A Simple Temperature Measuring Device for a Calorimeter System for Adsorbed Dose Measurements....Pages 582-584
Effect of Modulated Microwave Radiation on Brain Electrical Oscillations....Pages 585-588
Dosimetric impact of accidental irradiations on radiotherapy facility workers and considerations on personal monitoring....Pages 589-592
What Are the Radiation Risks to Communicate?....Pages 593-595
Initiatives of IRPA in Risk Communication....Pages 596-598
Investigation of Image Quality and Patient Doses in X-Ray Diagnostic Radiology in Zimbabwe....Pages 599-601
Convenient Method of Thermal Neutron Measurement Using Imaging Plates in Proton Therapy....Pages 602-605
Dosimetric Evaluation of Movement of Tumor Target Using Intensity Modulation Radiation Therapy (IMRT) for Lung Cancer Patients....Pages 606-608
Indoor Radon Concentration in the City of Sharjah, United Arab Emirates....Pages 609-611
A Placebo-Controlled Study of Far Infrared Ray Applied to ‘Phantom Limb’....Pages 612-615
Identification of Neutron-Induced Isotopes in Varian LINAC System....Pages 616-619
Estimation of Core Temperature Elevation in Humans and Animals for Radio-Frequency Exposures....Pages 620-623
Mammography Services in Malaysia: Review of Patient Dose Surveys in Mammography....Pages 624-627
Surveys of image quality and patients doses in simple radiographic examinations in Armenia....Pages 628-628
Evaluation of Average Glandular Doses in UAE Hospitals....Pages 629-631
Patient Individual Equivalent Dose Calculations for CT Examinations....Pages 632-634
Monitoring Patient Peak Skin Doses in Interventional Cardiology by Means of XR-RV2 Gafchromic Films....Pages 635-636
Survey and Reduction of Patient Doses in Computed Tomography....Pages 637-639
Evaluation of Patient Doses from Verification Techniques in Image-Guided Radiotherapy (IGRT)....Pages 640-643
Biological Effects of Ionising Radiation-with Special Emphasis on Low Level Doses....Pages 644-647
Quality and Radiation Doses in Mammograms: Brazil Sampling Data....Pages 648-651
Patient Dose Versus Image Quality in Digital Mammography at Instituto Português de Oncologia de Coimbra (IPOC) – Portugal....Pages 652-655
 Image Gently : An International Education and Communication Campaign in Radiology to Promote Radiation Protection for Children....Pages 656-659
Digital image quality indexes for CIRS SP01 and CDMAM 3.4 mammographic phantoms....Pages 660-663
Residual Radiation of Medical Linear Accelerators: Special Radiation Protection Aspects....Pages 664-666
Measurement of Orthovoltage X-Ray Intensity with a Lithium Niobate Transducer....Pages 667-670
Survey of Image Quality and Radiographic Technique of Pediatric Chest Examinations Performed in Brazil....Pages 671-674
Effect of Different Ultrasonic Duty cycle and Exposure Duration on the Amyloid- β 25-35 Induced PC-12 Apoptosis....Pages 675-678
Study of Entrance Surface Skin Dose in Veterinary Radiology....Pages 679-681
Uranium and radon in the Italian Western Alps....Pages 682-684
Tube Housing Leakiness Radiation and Patient Related Radiation Protective Measures – Gonads Radiation Exposure from Panoramic Radiography....Pages 685-688
Back Matter....Pages -