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The 1 st International Conference on Radiological Science and Technology Abstract Book 3D WORLD in Radiological Science and Technology October 29 (Saturday), 2011 Kobe International Conference Center Japan
The 1 st International Conference on Radiological Science and Technology Abstract Book 3D WORLD in Radiological Science and Technology October 29 (Saturday), 2011 Kobe International Conference Center Japan President: Yoshie Kodera, PhD Nagoya University School of Health Sciences Japanese Society of Radiological Technology Office View-Fort Gojokarasuma,167 Higashikazariya-cho, Shinmachio-higashiiru, Gojodori, Shimgyo-ku, Kyoto, , JAPAN Contents Welcome Message Organization General Information Congress Venue Programs Abstract Lectures General Session Welcome message Dear Colleagues and Friends, I offer my prayers to all those who lost their lives in the March 11 Tohoku Earthquake and its ensuing aftermath, as well as my sympathy to the survivors and their families. Determined to provide hope for not only those suffering and forced to undergo extreme hardships, but also for the region overall, we will do our utmost toward the realization of recovery. It is our great pleasure to invite you to the 1st International Conference on Radiological Science and Technology, scheduled for October 29, 2011, in conjunction with the 39th Autumn Meeting of Japanese Society of Radiological Technology (JSRT), which will be held from October 28 to 30, 2011 at Kobe International Conference Center in Kobe. The theme of this 1 st International Conference is 3D World on Radiological Science and Technology. There are Guest Session which includes Scientific and Educational presentations and General Session which is only oral presentation. If three dimensions are treated, the field is not asked. We cordially invite you to join us on this beautiful city where you can experience warm hospitality as well as both modern and traditional Japanese culture while sharing and adding to your knowledge of three dimensional imaging. We are expecting a large number of researchers and students at this exciting meeting. We look forward to seeing you at Kobe in October, Yoshie Kodera, Ph.D. President of the 1st International Conference on Radiological Science and Technology - 1 - Executive Committee President: Yoshie Kodera, PhD (Nagoya University) Executive Chairperson: Katsuhiko Ueda, RT (Yamaguchi University Hospital) Vice Executive Chairperson: Takayuki Ishida, PhD (Hiroshima International University) Executive Committee Rie Tanaka, PhD (Kanazawa University) Koji Uchida, RT (Shimane University) Yuka Matsuura, RT (Ohtsuka Breast Care Clinic) Contact: Japanese Society of Radiological Technology View-Fort Gojokarasuma, 167 Higashikazariya-cho, Shinmachi-higashiiru, Gojodori, Shimoyo-ku, Kyoto, , Japan Phone: FAX: Registration Registration fees JSRT member: JPY 10,000 Non-member: JPY 20,000 Students: JPY 1,000 Registration shared with the 39 th Autumn Scientific Congress of Japanese Society of Radiological Technology There will be no refunds after October 29, All fees quoted are in Japanese Yen and all payments should be made in Japanese Yen. Banquet Information Banquet fee: JPY 5,000 Date: October 29 (Saturday), 2011 Venue: Kobe Kachoen Access: Minatojima Minamimachi, Chuo-Ku, Kobe, JAPAN tel By Train - Get off JR, Hankyu or Hanshin at Sannomiya Station, transfer to the AGT Port Liner Airport Line and have a ride for 14 minutes, get off at K Computer Mae Station, and you can see the northern entrance of the Garden on the right. By Taxi - approx. 15 minutes from JR, Hankyu or Hanshin Sannomiya Station - approx. 20 minutes from JR Shinkansen Shin-Kobe Station - 3 - Instruction for speakers 1. Presentation Time Presentation 7 (min.) + Discussion 3 (min.) 2. Equipment All meeting rooms are equipped with the following audio-visual equipment: Video Projector, Screen, and Windows based PC. OS: Windows XP or Windows 7 Software for Presentation: PowerPoint ver to Preview Center ---Open Hours --- 7:40-17:00 Friday, Oct. 28 8:00-17:00 Thursday, Oct. 29 * The same open hours as JSRT the 39 th autumn meeting All Speakers are requested to come to the Preview Room at least 60 minutes in advance of their presentations to verify that the data functions properly on the equipment provided. All presentations will be loaded onto a server (at the Preview Room) and distributed to appropriate session room at the appropriate time via a LAN. (i) PowerPoint Presenters Bring your presentation in a USB flash Drive. In case you use animation, you should to bring your own laptop PC. Only the standard font (e.g., Times New Roman, Arial, Century) will be available. Unusual fonts may not be displayed properly on the computers in session rooms. Please name the file as presentation number & presenter's name.ppt. In order to avoid virus infection, please scan your data with updated anti-virus software beforehand. Please note that you cannot make any modification at the preview room and session room. After the meeting, all presentation data will be erased by secretariat (ii) Laptops Speakers using their own laptops must have a Mini D-sub 15pin female output. Special video output cable is required for some laptops to use Mini D-sub 15pin to connect to external monitors and data projectors. Please note that we are not equipped with that special cable and you must bring it in case it is necessary. Please be sure to bring the power adapter. Mini D-sub 15pin 4. Presentation room (Main hall) Please come to the Next presenter's seat of the session room (the front row on your left side) no later than 15 minute prior to the beginning of the session and identify yourself to the staff. 5. Awards Award for the best research Award for the best presentation skill President s special award - 5 - Access Map To Hakata To Tokyo Shinkansen (Bullet Train) Shin-Kobe Subway Shin-Osaka JR Railway Sannomiya Osaka Port Liner Osaka Bay Hanshin Express Way Port Island Kobe Convention Convetion Center Shimin-Hiroba Stn. Limousine Bus Legend Highway / Tollway General Road JR Railway Kobe Airport Kobe-KIX BAY SHUTTLE High-speed Ferry City Subway / Port Liner Kobe-KIX Bay Shuttle Ferry Limousine Bus - 6 - ï ððì Venue Map to Sannomiya Kobe Ko International be Conference Center Center Shimin-Hiroba Hall No.3 Building Shimin-Hiroba Station Kobe Portopia Hotel Kobe International Exhbitin Hall Hall No.2 Building Hall No.1 Building to Kobe Airport Kobe International Conference Center Staff Room 1 Staff Room 2 VIP Room Cloak Preview Center Coffee Service Equipment Storage Room to Cloak Main Hall for ICRST JIRA Presentation Panel Book Retailer êé ç - 7 - Programs Koji Uchida - 8 - Detail of Lectures 11:00-11:50 Scientific lecture 1 Chair: Hiroshi Fujita (Gifu University) Examining the Future of Breast Imaging Andrew D. A. Maidment, Ph.D., FAAPM Associate Professor of Radiology Hospital of the University of Pennsylvania 12:05-12:45 Educational lecture 1 Chair r: Rie Tanaka (Kanazawa University) Modes of imaging Shinichiro Mori, PhD, MPH, RT Team leader, Medical physicist Image Guided Radiotherapy Research Team, Medical Physics Research Program, Research Center for Charged Particle Therapy, National Institute of Radiological Sciences 13:40-14:30 Scientific lecture 2 Chair : Yoshie Kodera (Nagoya University) Virtualized human body navigation for assisting diagnosis, surgery and intervention Kensaku Mori, Ph.D. Professor of Strategy Office, Information and Communication Headquarters, Nagoya University 14:35-15:00 Educational lecture 2 Chair : Koji Kouji Uchida (Shimane University) Medical Applications of 3D Imaging and Molecular Imaging: The Technologist Experience Sandra Rodriguez, MSHA RT(R)(MR) MRI Program Director The Institute of Medical Imaging in San Jose 15:05-15:55 Scientific lecture 3 Chair : Yoshie Kodera (Nagoya University) Medical Applications of 3D Imaging and Molecular Imaging Michael E. Moseley, Ph.D. Professor of Radiology Stanford University School of Medicine - 9 - - 10 - Abstracts Lectures Scientific Lecture 1 Examining the Future of Breast Imaging Andrew D. A. Maidment, Ph.D., FAAPM Associate Professor of Radiology, Hospital of the University of Pennsylvania A decade ago, the transition from film to digital mammography had just begun. Today, more than 80% of mammography systems (and arguably a greater fraction of mammography procedures) are digital in the United States. If viewed with 2001 eyes, we would conclude that the digital revolution in breast imaging is nearly complete. However, we now realize that the digital revolution has only just begun. Digital mammography has precipitated a flood of new technologies, from high resolution LCD monitors, high speed networks and large data archives for PACS, and digital biopsy specimen imaging systems that facilitate digital breast imaging, to novel technologies such as digital breast tomosynthesis and dedicated breast computed tomography systems that can build upon the digital infrastructure of breast imaging. Breast cancer screening and diagnosis is becoming reliant upon multimodality tomographic imaging solutions. Parallel developments in targeted and passive imaging agents, and personalized medicine initiatives strongly suggest that molecular imaging will also play an increasingly important role in breast imaging. Both digital breast tomosynthesis (DBT) and dedicated breast CT (BCT) exist today because of recent innovations in flat-panel x-ray detector technology. Both methods require digital detectors with high spatial-resolution, high frame rates, and low-noise performance. Both DBT and BCT provide tomographic images of the breast albeit with different imaging properties. Based on the concept of super-resolution, DBT is capable of providing the highest in-plane spatial resolution of any x-ray based breast-imaging method (see Fig. 1). DBT is capable of rapid patient throughput, requires less radiation that BCT, and is relatively inexpensive. By contrast, BCT has excellent contrast resolution, albeit at higher dose, poorer in-plane resolution and more stochastic noise that DBT. Regardless of the tradeoffs between the technologies, early clinical studies suggest that both DBT and BCT are superior to digital mammography with regard to sensitivity and specificity for the detection and diagnosis of breast cancer. It is inevitable that one or both technologies will supersede mammography in the next decade. The digital revolution in breast imaging has also enabled new functional and molecular imaging methods. Today, both contrast-enhanced DBT and BCT studies are ongoing. Both show results comparable to breast MR (see Fig. 2). New contrast agents are being developed based on metallic nanoparticles. Both passivated blood-pool agents and specific targeted agents are under development. In addition, experimental multimodality imaging systems including DBT-ultrasound, DBT-SPECT and BCT-PET have been developed, further advancing the new field of molecular breast imaging. Based solely on the current research, it is clear the molecular breast imaging will become more clinically important. Given that the rate of innovation is accelerating, the future is sure to hold more significant changes for breast imaging Figure 1: DBT reconstructed images can demonstrate super-resolution, improving images of calcifications. The example shows a 2 cm region with (right) and without (left) super-resolution Figure 2: A contrast-enhanced DBT image of a ductal carcinoma showing both the afferent blood vessel and peripheral enhancement of the tumor Scientific Lecture 2 Virtualized human body navigation for assisting diagnosis, surgery and intervention Kensaku Mori, Ph.D. Professor, Strategy Office, Information and Communications Headquarters, Nagoya University This lecture introduces history and recent advances of virtualized human body navigation for assisting diagnosis, surgery and interventions. Recent progress of medical imaging devices such as multi-detector CT scanners has enabled us to take precise volumetric images of a human body. These volumetric images contain a lot of information of human anatomy. Computerized methods assisting to utilize information contained in such images have been strongly expected to be developed. The authors group has been working on development of the virtualized endoscopy system since The virtualized endoscopy system enables us to observe the inside of a human body. It is possible to generate endoscopy-like images from 3D medical images such as CT or MR images. This virtualized endoscopy system has affected many clinical fields including diagnosis, surgical planning, or surgical navigations. New diagnostic procedures have started by using the virtualized endoscopy system in the clinical field. Currently the virtualized endoscopy system is applied to many organs including the brain, the chest, the stomach, the pancreas, the small intestine, the colon, the blood vessels. Also it is utilized for neurosurgery navigation, bronchoscope navigation, laparoscopic surgery navigation. New screening process has also been launched based on virtual endoscopy: CT colonography, gastric cancer detection. Virtualized endoscopy system is now applied to diagnosis of the small intestine. In the case of chest diagnosis, virtualized endoscopy was considered as a new tool for diagnosis of the inside the bronchus in its early development. However, nowadays, the virtualized endoscopy system is utilized as a tool for assisting real bronchoscopic procedure. The system automatically computes the path to the target location (i.e. the place where biopsy is performed.) Then the system shows the path by displaying a sequence of virtual endoscopic images. In addition to displaying virtualized endoscopic images, the system can show anatomical names on the virtualized endoscopic images. In real bronchoscopic examination, the virtualized endoscopy system can show navigation information by synchronizing to a real bronchoscope. This navigation can be performed by tracking bronchoscopic camera motion by tiny positional sensor or image registration between virtual and real bronchoscopic images. In laparoscopic surgery, the virtualized endoscopy is utilized for surgical planning and navigation. Prior to actual surgery, a surgeon simulates laparoscopic surgery on the virtualized laparoscopy system. In the virtualized laparoscopy system, virtual pneumoperitoneum process is performed to simulate abdominal wall lifting, which is performed in real laparoscopic surgery to create surgical space in the abdominal cavity. This virtual pneumoperitoneum process enables us to create virtual laparoscopic views that are similar to real laparoscopic images. Also major abdominal organs are segmented from 3D abdominal CT images. Organ region information segmented from the 3D volume is used to colorize virtualized laparoscopic views. Then the surgeon simulates laparoscopic surgery by inserting virtual laparoscope and forceps into the virtual abdominal cavity. The system has a function to assist to determine the trocar locations. Also it is possible to control virtualized laparoscope movement synchronized with real laparoscope motion to assist the surgeon to understand patient s anatomy during surgery - 14 - Scientific lecture 3 Medical Applications of 3D Imaging and Molecular Imaging Michael E. Moseley. Ph.D. Professor of Radiology, Stanford University School of Medicine Advances in medical imaging focus on developing and applying innovative and novel methods for a more efficient quantitative analysis and display of images and data through an interdisciplinary collaboration of physicists, radiologists, and technologists. The JSRT is world-renown for expertise in training physicians and technologists to learn the latest developments in 3D, molecular, and quantitative imaging. The JSRT strives to learn new methods and collaborate internationally in order to provide their members with cutting-edge knowledge. The advance in imaging is a team effort, however, in which physicists explore new areas of imaging, the technologists develop clinical protocols to present the best information to the radiologists. The team is truly international; many new discoveries are made world-wide. Journals, internet resources and meetings are all international. The JSRT should always be aware of the latest in international imaging development on the physicist, radiologist, and technologist levels. The team is composed of three critical elements. The Physicist works to develop new approaches to the exploration, analysis, and quantitative assessment of diagnostic images. The physicist explores new ways that result in new and more cost-effective patient imaging. The physicist must also be able to create and test new techniques for the design and planning and monitoring of clinical therapy. This ensures the best patient care by delivering useful and clinically relevant presentation of medical imaging data to Japan and the world. The Technologist must work closely with the physicist to develop the clinical protocols and information display that will empower the radiologist. This crucial step has been focus of many 3D Laboratories that take experimental data information and molecular imaging advances and tailor these to work on clinical systems. The technologist must also adapt and develop imaging information for rapid and efficient radiological decisions. The Radiologist must be able to understand what the physicist is imaging and the technologist is displaying. This requires an appreciation of science, physics, computers, and physiology on a molecular level. Clinical imaging is no longer identification of disease from a simple tissue contrast mechanism but today requires understanding what are tomorrow s information resources, such as magnetic susceptibility, diffusion, molecular dynamics, and receptor targeting. An excellent example of the international teamwork is in 3D imaging. The most intense effort has been in adaptation of new 3D MR hardware and software methods to match the excellent abilities of CT to scan and reconstruct 3D information. The advances in 3D MR are much-needed in anticipation of future improvements. A main bottleneck that been the fact that several MR sequences have always been 2D slice-oriented; acquiring fast spin-echo and echo-planar images in a volume format has been difficult however key developments now allow this with ease. This has occurred alongside multiple-coil MR development to yield higher-resolution MR with improved SNR and fast acquisitions. The 3D mode has made new frontiers in MR possible which has enabled the advent of today s PET/MR modalities. The new thinking in 3D MR for PET/MR, angiography, tissue magnetic susceptibility, white matter fiber tractography, and functional imaging applications has made huge strides that promise upcoming revolutions in experimental, vascular, functional, and molecular imaging Figure 1. One image reconstructed from a 3D EPI sequence dataset showing the contrast properties of inherent tissue magnetic susceptibility. This quantitative map was created from 3D T2* images together with 3D B0 field maps. The tissue magnetic susceptibility is novel and unique; we don t know what it means nor how it will change Radiology. Educational lecture 1 Modes of imaging Shinichiro Mori, PhD, MPH, RT Team leader, Medical physicist, Image Guided Radiotherapy Research Team, Medical Physics Research Program, Research Center for Charged Particle Therapy, National Institute of Radiological Sciences Purpose: Organ movement due to respiration may change the run of a charged particle beam that can result in degradation of dose conformation to the target. We introduced our approaches to quantitatively assessing potential problems in treatment planning due to organ movement by using four-dimensional images. Methods and Materials: Several tens of inpatients with lung, pancreas or prostate cancer underwent 4D image acquisition under free breathing conditions. Gross tumor volume (GTV) displacement was evaluated as a function of the respiratory phase and calculated internal target volume (ITV). Using th
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