Vol.15 No.1 1995 ORIGINAL CONTRIBUTION Effective dose to patients from bone dosimetry Kanae Nishizawa et al 1 SCIENTIFIC NOTES Compersator and patient collimator fabrication system at HIMAC Nobuyuki Miyahata et al 9 SPECIAL CONTRIBUTIONS on "Image characteristics in diagnostic radiology Part 1" Image quality of analogue image Yoshiharu Higashida 14 Signal-transfer characteristics of asymmetrical radiographic screen-film systems Yoshie Kodera 23 Imaging properties of diagnostic radiology (Digital image) Junji Morishita and Hiroshi Fujita 30 Effects of scattered X-ray spectra on image quality and patient does Masao Matsumoto 41 Vol.15 No.2 1995 ORIGINAL CONTRIBUTION Elimination of multiple scattering noise in Compton scattering imaging Ruiting Xiao et al 63 Nonuniform attenuation correction in SPECT using XCT date Shigehito Suzuki and Kazuo Itoh 78 Development of a ridge filter that enables to adjust the does distribution in a spread out Bragg peak Akira Maruhashi and Masaru Satou 85 Stopping powers and ranges for heavy ions Takeshi Hiraoka and Hans Bichsel 91 SPECIAL CONTRIBUTIONS on "Image characteristics in diagnostic radiology Part 2" Recent pulsed x-ray generators and their applications Eiichi Sato et al 101 Computer-aided diagnosis in digital chest radiographs Shigehiko Katsuragawa and Junji Morishita 113 Quantitative evaluation of radiographic image Junji Shiraishi 122 Subjective assessments for chest radiograph Toru Matsumoto 129 COMMITTEE REPORT from Public Relation Committee 141 ABSTRACTS of the 69th Scientific Assembly of Japanese Association of Radiological Physicists 151 Vol.15 No.3 1995 COMMEMORATIVE ARTICLES for 100th Anniyersay of X-ray Discovery Medical physics in the next 100 years Masahiro Endo 175 One hundred yeara history of radiation therapy Yukio Tateno 181 ORIGNAL CONTRIBUTIONS An estimate of the effective does equivalent due to induced activity in a 18MV X-ray treatment room Masayuki Tsuda and Tomoyuki Mori 210 Application of information criterion to polynomial approximation for film characteristic curve Hiroyuki Hanada and Katsuhiro Sekinoyama 220 SCIENTIFIC NOTES A study of a reduction of patient's radiation exposure by using the new ortho screen film system(2) -A study of Fuji Advanced Radiographic System- Hirofumi Yagi et al 229 A study of a reduction of patient's radiation exposure by using the new ortho screen film system(3) -A study of Kodak Insight EF/RA Imaging Systm- Hirofumi Yagi et al 235 Vol.15 No.4 1995 ORIGNAL CONTRIBUTIONS Dosimetric characteristics of Ir-192 source for HDR remote afterloading brachytherapy in water Yasumasa Kakihara et al 249 A study of reduction of patient's radiation exposure by using the new ortho screen film ststem(4) Hirofumi Yagi et al 256 Phase-contrast X-ray CT Atsushi Momose et al 262 Conceptuar design of a proton rotating gantry for cancer therapy Yoshida Takada 270 Measurement of the radiation does on small field measurements by ionization chambers Masayuki Tsuda et al 285 An evaluation of computer aided instruction system for nursing education Tetsuo Kawamura et al 298 SPECIAL CONTRIBUTIONS on "Radiation protection in medicine" Control of medical exposures in diagnostic radiology as part of its quality assurance(QA) Shigeru Iwanami 305 Dose Limit for external exposure of pregnant workers Isao Uchida 315 Present status of management of medical radioactive wastes Kunihide Nishizawa 326 Topics of the radiation protection in medical use junichiro Tada 333 Vol.16 No.1 1996 ORIGINAL CONTRIBUTIONS A study for reduction of patient's rediation exposure does by using the new ortho screen-film ststem(5) Hirofumi Yagi et al 1 SCIENTIFIC NOTES Investigation on absorbed does determination at the calibration point of X-rays from electron linear accelerators of 34 hospitals in Tokyo area Koichi Yokoyama et al 9 SPECIAL CONTRIBUTIONS on "Quality assurance in radiology:physical aspects Part 1" Quality assurance in radiation medicine Tetsuo Inada 18 Traceability and quality assurance for radiotherapy measurement Takeshi Hiraoka 23 QA of external radiation therapy equipment Teizo Tomaru 29 Japanese industrial standard of medical electron accelerators and product liability act Takenori Tonari 36 Vol.16 No.2 1996 ORIGINAL CONTRIBUTIONS Reporting system for nuclear medicine diagnostics connected with database for study administration by LAN Yoshikazu Takahashi et al 49 Digital image processing in abdominal digital angiography using histogram transformation Masahiko Monma et al 61 SCIENTIFIC NOTES Study of diagnosis support system Masaru Sekiya et al 72 A few remarks on quality expression to high energy photon beams Masayuki Tsuda et al 79 SPECIAL CONTRIBUTIONS on "Quality assurance in radiology:Physical aspects Part ‡U" Quality assurance for position determination Katsuyoshi Tabushi 86 Quality assurance in radiation treatment planning Toraji Irifune 93 Quality assurance (QA) in barachytherapy Suoh Sakata 105 QA of an equipment for radiation therapy Kiyoshi Hata 121 Vol.16 No.3 1996 ORIGINAL CONTRIBUTIONS An experiment in computational measurement of chart image density Hiroyuki Hanada 129 A study on geometrical determination and edge feature extraction for 3D reconstruction using stereoradiography Hidetoshi Saitoh et al 138 Components and chemical shift of phosphomonoesters on in vivo 31P MR spectra Keiko Imamura et al 150 SHORT NOTES A proposal for beam broadning of strongly bunched proton beams Junichiro Tada 158 SPECIAL CONTRIBUTIONS on "Quality assurance in radiology:Physical aspects Part ‡V" Clinical quality assurance system in radiation therapy Yoshio Tamaki 160 SPECIAL CONTRIBUTIONS on "Quality assurance in radiology:Physical aspects Part ‡W Quality assurance in mammography" Quality assurance and quality control of mammography-A physician's view Kunio Odagiri 166 The characteristic of mammography and quality assurance Yoshiharu Higashida 172 Quality control for success of mammographic mass screening Ryuji Suzuki,Katsuhei Horita 178 QA/QC in mammography -Does Evaluation- Kanae Nishizawa 184 Quality assurance and quality control of mammography in the United States Yoshihisa akiyama 194 Vol.16 No.4 1996 ORIGINAL CONTRIBUTIONS Development of computer coding searching and indexing system (Front-end learning system) employing the ICD-O code for radiation oncology greater area database Kiyofumi Haneda et al 201 Development of medium-energy source assembly in nuclear medicine Masahiro Fukushi et al 208 Heavy ion radiography Tetsuo Inada et al 217 SPECIAL CONTRIBUTIONS on "Concepts of quality assurance and potentialities of outreach physics" and "Future view of radiation treatment" Preface - Special submissions from "The 21st medical standard dose study meeting" - Yuji Takaku,Mikindo Sasaki 226 ‡T.Potentialities of outreach physics Quality assurance program operated in the United States Yuji Takaku 228 Quality assurance and dosimeter:Recent trend Takeshi Hiraoka 236 ‡U.Future view of radiation treatment Necessity of quality assurance in radiation therapy Hiroshi Ikeda 243 The role of nuclear medicine for radiation therapy Fumio Shishido 249 Vol.17 No.1 1997 ORIGINAL CONTRIBUTION Tissue characterization by magnetization transfer ratio Shigeru Matsushima et al 1 SCIENTIFIC NOTE Evaluation of film dosimetry for narrow photon beams using linear accelerator Shinichi Gotoh 9 TECHNICAL REPORT Revaluation of elemental composition of Mix-DP Takeshi Hiraoka 15 SPECIAL CONTRIBUTIONS on "Quality assurance in radiology:Physical aspects Part ‡X" Quality control of SPECT on the basis of analytical SPECT reconstruction methods Hiroyuki Shinohara et al 18 Quality assurance and quality control for position emission tomographs Keiichi Oda 37 Quality assurance of X-ray Computed tomography Misao Araki 44 Quality assurance of diagnostic magnetic resonance imaging (MRI) system Masahiro Endo 53 CORRESPONDENCE AND OPINION A new wave in USA : Radiation,Science and Health,Inc Sohei Kondo 63 Vol.17 No.2 1997 ORIGINAL CONTRIBUTION Physique's influence on forearm bone mineral density in menopausal and post-menopausal women Takehiro Uchida et al 75 Monte Carlo simulation of PET performance measurements for EXACT47 at NIRS Tomoyuki Hasegawa et al 83 SPECIAL CONTRIBUTIONS on "Present status and construction projects of particle therapy facilities in Japan" The project of Hyogo Hadron Therapy Center Akio Higashi et al 94 The project of proton treatment facility of the National Cancer Center Takashi Ogino 100 Proton Medical Research Center and new medically-dedicated proton facility under construction (University of Tsukaba) Akira Maruhashi 109 Treatment system and current status at HIMAC Shinichi Minohara 119 Vol.17 No.3 1997 ORIGINAL CONTRIBUTIONS A few remarks on TVS-EP film for measurement of does distributions in high energy X rays Masayuki Tsuda et al 143 A method to convert absolute depth-does curves of electrons between different phantom materials Tatsuo Tabata et al 151 Scatter rejection in SR scanning slit radiography with ‡U-TV system Tatsuya Fujisaki et al 161 SPECIAL CONTRIBUTIONS on "Medical imaging of coronary artery disease-Comparison of modalities from technical viewpoints" Quantitative assessment of regional myocardial blood flow using positron emission tomography Hidehiro Iida et al 173 Intravascular ultrasound in coronary interventions Tsuyoshi Shiina 183 Development of medical imaging systems using monochromatic synchrotron radiation beam Kazuyuki Hyodo 189 Magnetic resonance imaging in coronary artey disease Tetsuya Matsuda 198 CORRESPONDENCE AND OPINION CAR'97 (Computer Assisted Radiology and Surgery) Seiya Inamura 204 Vol.17 No.4 1997 ORIGINAL CONTRIBUTIONS The dependence of the measured Wiener spectrum on the modulation transfer function Yasuo Mochizuki et al 211 Positioning accuracy of linac radiosurgery Etsuo Kunieda et al 222 SCIENTIFIC NOTES Evaluation of DICOM system with CTN image server and PC client for practical medical image databese Kojiro Yamaguchi et al 229 Traceability of the ionization chambers calibrated at kyushu regional center(‡T) for standard doses in medicine Fujio Araki et al 236 SPECIAL CONTRIBUTIONS on "DICOM" Object oriented analysis: The background of DICOM standard Tsuguhisa Katoh 240 The understanding of medical image exchange standard -the digital imaging and communications in medicine (DICOM)- Yutaka Ando 252 The DICOM image server for hospital wide service with WWW Takaya sakusaba et al 263 Japan Industries Association of Radiation Apparatus DICOM Committee activity for standardization of digital imaging communications in medicine Shun Kabata 273 Vol.18 No.1 1998 ORIGINAL CONTRIBUTIONS Depth-dose distributions of high-energy carbon,oxygen and neon beams in water Lembit Sihver et al 1 Generalizability study in the visual evaluation on medical images: Determination of the number of interests,subjects and observers Masamichi Shimamura et al 22 Calculation of penumbra size obtained by irradiation systems using wobbler method and dual-ring double scatterer method Hiromi Tomura et al 32 Analysis of the penumbra for uniform irradiation fields delivered by a wobbler method Hiromi Tomura et al 42 The ion collection efficiency of an ionization chamber in pulsed radiation Fujio Araki et al 57 A study on physical properties of photosensitive material for mammography Hirofumi Yagi et al 67 An analysis based on hazard model for tumor status of the uterine cervix Katsuyoshi Tabushi et al 78 A proton dose calculation code for treatment planning based on the pencil beam algorithm Nobuyuki Kanematsu et al 88 SCIENTIFIC NOTE Numerical analysis of propagation and scattering of ultrasonic pulse in biological tissues with perfectly matched layer absorbing boundary Osamu Nakamura et al 104 Vol.18 No.2 1998 COMMEMORATIVE ARTICLES for "100th Anniversary of Radium Discovery" A review of radium therapy Yoshio Onai 121 Physics of radium therapy Yoshio Onai 129 Early days of medical use of the radium Kazuo Inamoto 137 Radon seed Teizo Tomaru 146 Determination of spatial coordiates of radium souce Katsuyoshi Tabushi 153 Radium dosage system Suoh Sakata 158 Radiation protection and occupational exposure for radium sources Toraji Irifune 170 The safe use of sealed sources Akimune Hayami 179 Radioactive springs and measurements of their radioactivity Masanobu Sakanoue 189 References of bio-medical applications of radium in Japan Yoshio Onai 198 ORIGINAL CONTRIBUTIONS Saturation characteristic and polarity effect for very small ionization chambers Takeshi Hiraoka et al 224 Determination of cavity-gas calibration and replacement correction factors for Markus parallel-plate ionization chamber applied in electron beams Fujio Araki et al 230 Vol.18 No.3 1998 ORIGINAL CONTRIBUTIONS Average glandular dose in synchrotron radiation mammography Tatsuya Fujisaki et al 255 Hyper-thermal neutron generator for neutron capture therapy Yoshinori Sakurai et al 262 The X-ray sensitometry in the low energy X-ray region Takashi Amano et al 272 Fundamental characteristics for absorbed dose calculations of stereotactic irradiation Tatsuya Fujisaki et al 280 Dependence of primary radiation loss in the incliation of focused grid on grid density and tube voltage Takanori Tsunoo et al 288 Influence of the measurement site's thickness on the measured values of bone mineral density Takehiro Uchida et al 297 Vol.18 No.4 1998 ORIGINAL CONTRIBUTIONS Control of CT number change by Cu added filter Katsumi Kubota et al 319 Measurement of absorbed dose by solid calorimeter (1)Design and basic characteristics of a solid carbon calorimeter Kaname Omata et al 327 A trial of 31P-NMR spectral estimation using a method of successive estimation Naoyuki Morita et al 333 Realistic energy spectra of a cobalt-60 therapeutic beam Hidetoshi Saitoh et al 341 Dose measurment of mammographic equipment Kanae Nishizawa et al 351 Calibration of ionization chambers using a linear accelerator Fujio Araki et al 356 Vol.19 No.1 1999 SPECIAL CONTRIBUTIONS Present Status and Future Prospects in Technology for Particle Radiation Therapy Technology and development of medical accelerators Kuninori Endo 1 Review of beam delivery system for radiotherapy using heavy-charged-particle beam Yoshihisa Takada 16 Treatment planning for proton and heavy ion radiotherapy-current status and future Hiroko Koyama-Ito 29 Radiation biology Hideyuki J. Majima et al 37 Particle therapy, a clinical point of view Tadashi KamadaEHirihiko Tsujii 48 Particle radiation therapy from the viewpoint of medical economics Kiyonari Inamura 54 ORIGINAL CONTRIBUTIONS Measurement of tissue|maximum ratio and output factor on an extremely small field in water and low density phantoms with a small ionization chamber Masayuki Tsuda 65 Accuracy of target adjustment in respiration-gated proton irradiation by measuring tension of body surface Takeji Sakae et al 74 Vol.19 No.2 1999 ORIGINAL CONTRIBUTIONS Development of X-ray spectroscopic system using medical X-ray tube Tatsuya Fujisaki et al 85 Absorbed does conversion factors of several ionization chambers to determine absoebed does by the use of acrylic plastic phantom for high energy X-ray Yoshihiro Enokida et al 90 A linear programming method for computerized optimization in stereotactic treatment planning Po-Wen Tseng et al 99 Residual range distribution measured by heavy ion radiography Katsuyuki Nishimura et al 108 TECHNICAL REPORT The calculation of diagnostic X-ray spectra and other date using the spectrum processor Tatsuya Fujisaki et al 114 Vol.19 No.3 1999 ORIGINAL CONTRIBUTION Optimization with multiple fuzzy goals in stereotactic treatment planning Po-Wen Tseng et al 121 SPECIAL CONTRIBUTIONS on Basic and prospective aspects of iterative image reconstruction methods in nuclear medicine Brief review of image reconstruction methods for imaging in nuclear medicine Hideo Murayama 130 Fundamentals of the EM algorithm Norio Tagawa 148 Image reconstruction using EM algorithm Hideaki Haneishi 162 Application of ML-EM algorithm in nuclear medicine Hiroyuki Shinohara et al 174 Image reconstruction by ordered subsets expectation maximization method Koichi Ogawa 184 Various methods of iterative least-squares image reconstruction for emission tomography Shigehito Suzuki 193 Vol.19 No.4 1999 ORIGINAL CONTRIBUTION Estimated equation of Patient dose in Diagnostic radiology Hiroki Shimazaki et al 209 A study of developer dependencies on photographic prorerties of films for mammography Hiroshi Yagi et al 218 Characteristics of image transfer in DICOM file server system Yoshikazu Takahashi et al 231 10MV x-ray scatter dose-spread kernel construction using the Bjarngard scatter factor expression Akira Iwasaki 239 Vol.20 No.1 2000 SPECIAL CONTRIBUTIONS A New Ere of Japanese Medical Physics Kiyomitsu Kawachi, Akira Ito, Mutsumasa Takahashi, Yoshida Kawamura, Takeshi Iinuma, Tetsuo Inada, Kiyonari Inamura, Keiko Imamura, Shigeru Iwanami, Yukio Uchiyama, Masahiro Endo, Koichi Ogawa, Ken Ohara, Tsuguhisa Kato, Katsutaro Kaneko, Yoshie Kodera, Suo Sakata, Yasuhito Sasaki, Eiichi Tanaka, Katsuyoshi Tabushi, Masayuki Tsuda, Teizo Tomaru, Tsukasa Tomiyoshi, Hinako Toyama, Kunihide Nishizawa, Takehiro Nishidai, Yoshinori Hayakawa, Masahiro Fukushi, Akifumi Fukumura, Hisashi Maekoshi, Masanori Matsumoto, Akira Maruhashi, Shinichi Minohara, Nobuyuki Miyahara, Hideo Murayama 1 ORIGINAL CONTRIBUTIONS Dosimetry study using an anthropomorphic head phantom for stereotactic radiosurgery Naoko Maeda et al 38 Inconsistencies of Microcal Specks in Phantoms Approved the American College of Radiology for Mammography Accreditation Keiko Imamura et al 46 Vol.20 No.2 2000 ORIGINAL CONTRIBUTIONS The Influence of DSA Examinations on Patient-absorbed Doses Yoshinori Funama et al 61 Fundamental Study on Heavy Ion CT Using Pencil Beam Scanning Method Toshiyuki Kohno et al 71 Nonlinear Effect on Noise Power Spectrum for Quantum Mottle in Radiographs Shinji Abe et al 83 Determination of overall perturbation factors for plane-parallel ionization chambers in electron beams Fujio Araki et al 95 CORRESPONDENCE AND OPINION Another utilization of the density scaling theorem-attenuation models Akira Iwasaki 104 Vol.20 No.3 2000 ORIGINAL CONTRIBUTIONS Improvement of dose distribution at NIRS's 70MeV proton eye treatment beam course Nobuyuki Miyahara et al 113 Usefulness of high energy radiation using copper filter on CR chest radiography Mitsuhiro Matsumoto et al 123 A few remarks on photoluminescence dosimetry with high energy x-rays Masayuki Tsuda 131 Vol.20 No.4 2000 ORIGINAL CONTRIBUTIONS Evaluation of Linearity for the Radiophotoluminescence Glass Dosimeter Based on Monochromatic X-rays Tomohiro Shimozato et al 151 Determinations of Nppgas and NppD for a plane-parallel chamber Sung Y. Park et al 159 Vol.21 No.1 2001 EDITORIAL Masahiro Endo SPECIAL CONTRIBUTIONS Recent aspect of radiation therapy Introduction Hirohiko Tsuji 1 Intensity modulated radiation therapy Yoshihisa Akiyama et al 3 CyberKnife Hiroya Shiomi et al 11 Gated Radiotherapy Hiroki Shirato et al 17 Three-dimensional conformal radiotherapy for extracranial tumors using a stereotactic body frame Yasushi Nagata et al 28 Three-dimentional conformal radiotherapy with multi-leaf collimator Yukio Uchiyama et al 35 A monitor unit verification calculation indepenent on RTP systems and output factor Masao Hoshina 50 Closing comments Hidetoshi Saito 63 SCIENTIFIC NOTES Annual Change in Calibration Constant of Ionization Chamber used in Diagnostic Radiology Kiminori Konokawa et al 65 Vol.21 No.2 2001 SPECIAL CONTRIBUTIONS Takeshi Hiraoka 81 Takehiro Nishidai 86 Suo Sakata 90 ORIGINAL CONTRIBUTIONS Rhysical and imaging properties of heavy mental filter combinations in chest radiography Hiromi Sakamoto et al 95 Comments on the primary and scatter dose-spread kernels used for convolution methods Akira Iwasaki 106 Observation of cherenkov radiation from aquarium irradiated with Co-60 gamma-rays Sachiko Hibino et al 111 Vol.21 No.3 2001 SPECIAL CONTRIBUTIONS Recent Medical Ultrasonic Technology Introduction Takeshi Shiina 121 Review of Recent Medical Ultrasonic Technology Akiyama Iwaki 123 Present and future of ultrasonic three-dimensional imaging Takashi Mochizuki 128 Coded excitation medical ultrasound imaging Takao Jibiki 136 Advanced Dynamic Flow Takeshi Sato 142 Therapeutic technology utilizing focused ultrasound Shinichiro Umemura et al 150 ORIGINAL CONTRIBUTIONS Emission CT Image Reconstrution Using the Augmented Lagrangian Method with a Modified Form of Nonnegativity Constraints Shigehito Suzuki et al 157 Monte Carlo simulation for PET scanners and shields Tomoyuki Hasegawa et al 174 Vol.21 No.4 2001 ORIGINAL CONTRIBUTIONS A Numerical Model for Compressed Breast of Japanese Women in Mammography Katsuhiko Ogasawara et al 215 Algebraic 2D PET image reconstruction using depth-of-interaction information Taiga Yamaya et al 223 Dose evaluation and effective dose estimation from CT fluoroscopy-guided lung biopsy Kanae Nishizawa et al 233 SCIENTIFIC NOTES Compensating Patient Displacement by Couch Movements in Patient Positioning System Takashi Akagi et al 245 CORRESPONDENCE AND OPINION @@ Vol.22@No.1@2002 Preface Kiyonari Inamura 1 SPECIAL CONTRIBUTIONS X-ray phase imaging Introduction Atsushi Momose 5 X-ray refraction contrast imaging Katsuhito Yamazaki et al 8 Refraction-contrast bone imaging using synchrotron radiation Koich Mori et al 13 X-ray phase imaging using a X-ray tube with a small focal spot Chika Honda et al 21 Phase-contrast X-ray imaging with X-ray interferometer for medical applications Tohoru Takeda et al 30 ORIGINAL CONTRIBUTIONS Heavy ion CT system based on measurement of residual range distribution Shinji Abe et al 39 Defects of a mammography quality control phantom visualized by synchrotron radiation imaging Keiko Imamura et al 48 CORRESPONDENCE AND OPINION VOL.22 No.2 2002 SPECIAL CONTRIBUTIONS Medical Exposure - Overview and perspective - Introduction Kanae Nishizawa 63 Mammography-A guidance level and the present situation of mammographic dose- Hiroshi Terada 65 Mammography-Consideration about Radiation from the Point of a radiologist's View Eriko Tohno 74 X-ray Exposure Dose Control for X-ray CT System Hiroshi Takagi 81 Medical exposure from computed tomographic examination - A recommendation of dosimefry by film method- Motokatsu Yasutomo,Hirofumi Yagi 88 The potential patient skin injuries from radiologically guided interventional procedures:the present condition and recommendable measures Junji Tanaka 98 Dose reduction by several measures in X-ray angiographic system Takaji Saito 105 Computed Radiography Masao Matsumoto 110 ORIGINAL CONTRIBUTIONS A Method for Measuring the Dose Distribution of the Radiotherapy Domain using the Computed Radiography System Mitsuhiko Homma et al 118 Development of a Virtual Private Database for a Multi-institutional Internet-based Radiation Oncology Database Overcoming Differences in Protocols Hajime Harauchi et al 125 CORRESPONDENCE AND OPINION VOL.22 No.3 2002 REVIEW Extended and Fading Boundaries of Today's Research Areas in Medical Physics and Informatics Heinz U.Lemke 139 ORIGINAL CONTRIBUTIONS Dose evaluation and effective dose estimation from multi detector CT Kanae Nishizawa et al 152 Fast Determination Method of Cerebral Metabolic Rate Images of Glucose Using Dynamic PET Data Takashi Obi et al 159 Fundamental Study on Stability of Dry-processing Imager System DRYPRO 722/SD-P Fumie Sonobe et al 173 VOL.22 No.4 2002 SPECIAL CONTRIBUTIONS Flat-panel Introduction Masao Matsumoto 195 1.Present and future of flat panel detectors in the world Kiyonari Inamura 196 2.Present state and future of flat panel detector in Japan Yoshiharu Higashida 210 3.Present and future of flat panel detectors made by each maker 3-1 Flat-panel detector technology Tatsuya Yamazaki 216 3-2 Flat panel detector philips introduced and its system direction Shinichi Yamada 227 4.Present and future of flat panel detectors in clinical experiences 4-1 Canon'‚“@flat-panel detector Masao Matsumoto et al 232 4-2 Physical imaging properties of a flat panel X-ray detector system Akira Yoshida et al 246 4-3 An experience of the clinical study with angiography system using a flat panel detector Kenji Okusako et al 255 4-4 Hologic'‚“@flat-panel detector Yuji Ogata et al 264 ORIGINAL CONTRIBUTIONS Evaluation of video capture equipment for secondary image acquisition in the PACS Yoshiharu Sukenobu et al 276 The application of a new predictive technique for lossless compression of medical images Kazuhiro Kosino et al 287 Methodology development for quantitative optimization of security enhancement in medical information systems Kiyofumi Haneda et al 302 Shielding effects of body-shields for 3D PET Tomoyuki Hasegawa et al 318 Development of a time-oriented data warehouse based on a medical information event model Yuichiro Yamamoto et al 327 VOL.23 No.1 2003 CONTENTS Preface Editorial Board 1 SPECIAL CONTRIBUTIONS Introduction Masaomi Takizawa 3 REVIEW 1.Development of telepathology systems between different types of terminals based on the standard for image collaboration command protocol Ikuo Tofukuji et al 4 2.The current status and prospects of telemedicine in Asahikawa Medical College Hospital Hiroyuki Hirokawa et al 16 SPECIAL CONTRIBUTIONS 1.Development of a Tele-echography System by Using an Echographic Diagnosis Robot Kohji Masuda et al 24 2.Network system for alpine ambulance using long distance wireless LAN and CATV LAN Masayuki Nakamura et al 30 3.Inter-hospital teledermatology conference using a videophone network Yoriko Yamazaki et al 40 4.Medical support for belarus after chernobyl accident using a telemedicine system Kenichi Koike et al 44 5.Mobile hospital-Real time mobile telehealthcare system with ultrasound and CT van using high-speed satellite communication- Masaomi Takizawa et al 51 ORIGINAL CONTRIBUTIONS A template for forward planning in prostate cancer treatment: Conformal irradiation with segmental intensity-modulation Sakae Taira et al 59 Basic investigation of data acquisition system for next generation PET scanner Eiji Yoshida et al 65 Effects of Irradiation on the Components of Implantable Pacemakers @ Shinji Kawamura et al 73 Computer simulation of DOI-PET detector(‡T) Akira Yamada et al 81 TECHNICAL REPORT Respiration gated CT scanning for radiation treatment planning by guided respiration method Yoshikazu Tsunashima et al 93 VOL.23@NO.2 2003 CONTENTS ORIGINAL CONTRIBUTIONS Irradiation of intense characteristic x-rays from weakly ionized linear molybdenum plasma Eiichi Sato et al 123 Obtaining Iocation of I-125 seed sources for the prostate brachytherapy Koichi Ogawa et al 132 SCIENTIFIC NOTE Quality control of CT system for treatment planning using the polybinary calibration method Nobuyuki Kanematsu 140 TECHNICAL REPORT Modeling of daily operation in proton radiotherapy by Monte Carlo method Takeji Sakae et al 147 SHORT NOTE Measurement of Blood Vessel Diameter for Angiography using Refraction Contrast Imaging Masatsugu Hirano et al 157 VOL.23@NO.3 2003 CONTENTS ORIGINAL CONTRIBUTIONS Development of a system which automatically acquires optimal discrete-valued attributes by dividing and grouping continuous-valued attributes to assist clinical decision making in radiotherapy Hiroko Kou et al 163 An accidental exposure by a medical linear accelerator under construction Saori Kawamura et al 173 TECHNICAL REPORT Pixel value measurement of microcalcification specks in digitized x-ray film images for image quality assessment:Automatic procedure developed using excel functions Norishige Ehara et al 184 VOL.24@NO.1 2004 CONTENTS ORIGINAL CONTRIBUTIONS Quantitative Ana1ysis of Resolving Power for Computed Radiographic Portal Images Seiichi Yamada et a1 3 Absorbed dose measurement of photon beam with Farmer-type ionization chambers in Japanese dosimetry protocols Tatsuya Fujisaki et a1 13 Evaluation of the effectiveness of gonad protection in diagnostic radiology Chiyo Kawaura et al 21 VOL.24@NO.2 2004 CONTENTS ORIGINAL CONTRIBUTIONS The examination of optimal positron emitting nuc1ide in the estimation of attainment depth within the body of RI beams by positron camera Hideyuki Mizuno et al 37 Measurement and correction of diagnostic X-ray spectra using a high resolution Schottky CdTe detector Koji Maeda et al 49 Simultaneous spatial resolution correction in SPECTreconstruction using OS-EM algorithm Noriyasu Yamaki et al 61 A study of the security and transmission of medical information using JGN Kazuya Nakayama et al 72 Monochromatic polycapillary imaging utilizing a computed radiography system Michiaki Sagae et al 78 VOL.24@NO.3 2004 CONTENTS ORIGINAL CONTRIBUTIONS Online-conference using JGN Kazuya Nakayama et al 109 Relationship between line spread function (LSF), or slice sensitivity profile (SSP), and point spread function (PSF) in CT image system Masaki Ohkubo et al 115 VOL.24@NO.4 2004 CONTENTS ORIGINAL CONTRIBUTIONS Mammographic x-ray spectra measured by Compton spectroscopy using a high resolution Schottky CdTe detector Koji Maeda, Masao Matsumoto 131 Experimentalstudy on treatment planning verification using a positron emitting 10C beam for heavy-ion radiotherapy Yasushi Iseki et al 142 Comparative evaluation of absorbed dose and image quality in X-ray head CT scanning for hospital facilities in Gunma Hiroyuki Nagashima et al 154 An analysis of a new method for estimating the range of hand motion using tele-rehabilitation Koji Yamashita et al 162 VOL.25@NO.1 2005 CONTENTS ORIGINAL CONTRIBUTIONS Feasibility study on a noninvasive measurement system for boron concentration Masayori Ishikawa et al 3 2D Imaging Simulations of a Small Animal PET Scanner with DOI Measurement: jPET-RD Taiga Yamaya et al 13 A comparison of the helmet output factors for five Gamma-Knife units Fujio Araki et al 24 Polarity effects of commercial plane-parallel ionization chamber in therapeutic electron dosimetry \ Results with C-134A ionization chamber Tatsuya Fujisaki et al 32 VOL.25@NO.2 2005 CONTENTS ORIGINAL CONTRIBUTIONS Theoretical considerations for evaluating the degree of random-periodicity of graphic noise Akira Iwasaki 49 Evaluation on the effect of dosimetry using a depth of calibration point or a depth of temporary dose maximum in high energy electron beams Kivofumi Haneda 59 Effect of J coupling and T2 Relaxation in Assessing of Methyl Lactate Signal using PRESS Sequence MR Spectroscopv Tomonori Isobe 68 Experimental evaluation of conversion factors, ND,W/Nx, for Roos-type and Advanced-Markus-type plane-parallel ionization chambers Akifumi Fukumura 75 VOL.25@NO.3 2005 CONTENTS ORIGINAL CONTRIBUTIONS Investigation of Energy Subtraction in a CT System Masaaki Yonemura et al 97 Clinical calibration dosimetry in JSMP-01: measurements using Farmer-type cylindrical ion chambers Fujio Araki et al 104 Clinical calibration dosimetry in JSMP-01: measurements using plane-parallel ion chambers Fujio Araki et al 114 Structural Inhomogeneity in Mammography Quality Control Phantoms Detected by Refraction-Enhanced Synchrotron Radiation Imaging Keiko Imamura et al 124 Validation of the blurring of a small object on CT images calculated on the basis of three-dimensional spatial resolution Masaki Okubo et al 132 VOL.25@NO.4 2005 CONTENTS ORIGINAL CONTRIBUTIONS Lossless compression based on inter-frame coding for MDCT Kazuya Nakayama et al 151 A Generator of Mono-energetic Electrons for Response Test of Charged Particle Detectors Fumiyasu Matsubayashi et al 156 Sensitometry of Mammographic Screen-film System Using Bootstrap Aluminum Step-Wedge Shinji Abe et al 165 VOL.26@NO.1 2006 CONTENTS ORIGINAL CONTRIBUTIONS Elucidation of the Energy Absorption spectra of the 11C beam in a Plastic Scintillator Takashi Hanada 1 Resonance of sputum Spigot with Air Vibration Norio Tarao@ 13 Dosimetric properties of the liquid ionization @chamber electronic portal imaging device (EPID) Kunihiko Tateoka et al 28 Measurement of the air kerma using dosimeters embedded @in an acrylic phantom in interventional radiology Atsushi Kawabe et al 39 VOL.26@NO.2 2006 CONTENTS ORIGINAL CONTRIBUTIONS Evaluation of the Accuracy of Line Spread Function (LSF) and Point Spread Function (PSF) measured in the Computed Tomography Masayuki Kunii et al 57 New Technique for Visualizing Cerebral Vessels in MR Angiographic Images Using Three-dimensional Discrete Wavelet Transform Shigehito Suzuki et al 65 Nationwide survey of nuclear medicine practice and estimation of collective effective dose in Japan Masaki Matsumoto et al 75 VOL.26@NO.3 2006 CONTENTS REVIEW Medical Imaging: Its Medical Economics and Recent Situations in Japan Keiko Imamura 85 ORIGINAL CONTRIBUTIONS Impact of optimization algorithms on the intensity map in IMRT treatment planning Mari Shimada et al 97 Performance of model observers for lesion detection in SPECT imaging Kenya Murase et al 108 An Inter-crystal Scatter Correction Method for DOI PET Image Reconstruction Chih Fung Lam et al 118 Design and initial evaluation of a 4-layer DOI-PET system: the jPET-D4 Eiji Yoshida et al 131 VOL.26@NO.4 2006 SCIENTIFIC NOTE Evaluation of Daily Quality Assurance for Proton Therapy at National Cancer Center Hospital East Ryosuke Kohno et al 153 ORIGINAL CONTRIBUTIONS Development of the QA/QC-Tools for CT Number Calibration of The Treatment Planning CT-scanner Yohsuke Kusano et al 163 Evaluation of Therapeutic Carbon-Beam Attenuation in Inhomogeneous Layered Phantoms: Comparison with the Present Method Using a Water Phantom Takatsugu Magara et al 173 Automatic Anatomical Labeling Method of Cerebral Arteries in MR-Angiography Data Set Akihiro Takemura et al 187 Comparison evaluation of polymer gel with a water phantom Kiyofumi Haneda et al 199 A new parameter enhancing breast cander detection in computer-aided diagnosis of X-ray mammograms Nobuyoshi Tanki et al 207 VOL.27 NO.1 2007 ORIGINAL CONTRIBUTIONS Usefulness of the classification technique of cerebral artery for 2D/3D registration Akihiro Takemura et al 6 Analysis of the effective point of measurement of a thimble chamber dosimeter set parallel to the x-ray beam axis Tetsunori Shimono et al 17 SCIENTIFIC NOTE Enactment of TR14969:2007 | Quality Management Svstem for Medical Devices; Guide to the Application of Jis Q 13485:2005 Takeshi Iinuma 26 VOL.27 NO.2 2007 PREFATORY NOTE On the Renovation of the Japanese Journal of Medical Physics Shinichi MINOHARA 49 ORIGINAL CONTRIBUTIONS Estimation of Background Radiation from e-LINAC for Direct Confirmation of Irradiated Area by Utilizing the Annihilation Photons Hironori KOJIMA, Takatsugu MAGARA, Yasuhiro FUKUSHIMA, Minoru ISHIGAMI, Fumiyasu MATSUBAYASHI, Masatoshi HASHIMOTO, Hidetoshi SAITOH, Kyoko SAITO and Koichi MARUYAMA 50 Numerical Analysis of Contrast Agent Concentration in a Tissue Homogeneity Model using Computational Fluid Dynamics Kenya MURASE and Shohei MIYAZAKI 58 SCIENTIFIC NOTE Field Survey Results on Output for X-ray Therapeutic Accelerators in Radiotherapy Institutions of Saitama and Tochigi Prefectures Yoshihiro Enokido, Hiroyuki Okamoto, Yukio Kiyomiya, Tomihisa Furuya, Kengo Fujimori, Yousuke Kusano, Naoki Touyama, Tomonori Goka, Masaya Ooyama, Toshiyuki Minemura, Yuzuru Kutsutani-Nakamura, Munefumi Shimbo, Katsuyoshi Tabushi, Satoshi Ishikura, Masahiro Endou and Hiroshi IKEDA 71 VOL.27 NO.3 2008 ORIGINAL CONTRIBUTIONS The Dynamic Motion of Pseudo-Sputum Mucin Solution on a Vibrating Plate Norio TARAO and Osamu TAKAGI 105 Phase Mutual Information for MRI and PET Image Registration: Parameter Selection of Log-Gabor Filter Xiaomei YANG, Tsutomu SOMA and Kenya MURASE 117 Evaluation of Relative Electrometer Calibration Factor with User Beam Shogo HATANAKA, Tatsuya FUJISAKI, Atsushi MYOJOYAMA, Takeshi HIRAOKA and Hidetoshi SAITOH 129 Development of a System for Measuring Wall Shear Stress in Blood Vessels using Magnetic Resonance Imaging and Computational Fluid Dynamics Keita YOSHIDA, Taisuke NAGAO, Kouji OKADA, Shohei MIYAZAKI, Xiaomei YANG, Youichi YAMAZAKI and Kenya MURASE 136 VOL.27 NO.4 2008 ORIGINAL CONTRIBUTIONS Patient Dose Estimation on Multi Detector-row CT from Abdomen for Adult and Abdomen-pelvis for Child Examinations Kanae NISHIZAWA, Shin-ichiro MORI, Mari OHNO, Keiichi AKAHANE, Susumu KO, Noriyuki YANAGAWA, Takashi YOSHIDA, Shin-ichi WADA and Kazuo IWAI 153 X-ray Spectra from ‚ Brass-target Plasma Triode Eiichi SATO, Haruo OBARA, Toshiyuki ENOMOTO, Etsuro TANAKA, Hidezo MORI, Toshiaki KAWAI, Toshio ICHIMARU, Akira OGAWA, Shigehiro SATO, Kazuyoshi TAKAYAMA and Jun ONAGAWA 163 A Study on the Effective Point of Measurement in Megavoltage Photon Beams with Small Fields Tetsunori SHIMONO, Kichiro KOSHIDA, Hidekazu NAMBU and Yuzo KIKUCHI 173 VOL.28 NO.1 2008 ORIGINAL CONTRIBUTIONS Development of a Portable Graphite Calorimeter for Radiation Dosimetry Makoto SAKAMA, Tatsuaki KANAI and Akifumi FUKUMURA 1 Evaluation of a Quasi-fractal Dimension to Enhance Breast Cancer Detection in X-ray Mammograms using Support Vector Machine Kenya MURASE, Nobuyoshi TANKI, Shohei MIYAZAKI and Michinobu NAGAO 15 SCIENTIFIC NOTE Improvement of Dose Monitor System in Rotational Gantry for Proton Therapy at National Cancer Center Hospital East Tomoko MIYAGISHI-GOMI, Teiji NISHIO, Ryosuke KoHNO, Satoru KAMEOKA, Kazutomo MATSUMURA, Naoya UZAWA, Hideki SAITO, Toshinobu SASANO, Ryuichi OOTA and Takashi OGINO 26 VOL.28 NO.2 2008 ORIGINAL CONTRIBUTION Analytical Design Method of Optimum Ridge Filters for Wobbled and Collimated Proton Beams Takeshi HIMUKAI, Yoshihisa TAKADA, Kenji HOTTA, Yousuke HARA, Masataka KOMORI, Tatsuaki KANAI and Ryosuke KOHNO 57