RSNA 2008 Delivers Present And Future

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Scientific Program Overview for the RSNA 2008 Scientific Assembly and Annual Meeting.

Scientific Program Overview for the RSNA 2008 Scientific Assembly and Annual Meeting.

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  • 1. RSNA 2008 PREVIEW RSNA 2008 Delivers Radiology’s Present and Future With increased integration of refresher course material and scientific papers, Emergency Radiology RSNA 2008 offers attendees myriad opportunities to not only learn about the Subcommittee Chair Diego B. Nuñez Jr., latest breakthroughs in the specialty, but also take home M.D., M.P.H., noted continuing trends knowledge to apply immediately in their work settings. toward validation of current practices, such as CT utilization and radiation safe- “Medical imaging informatics, which plays a crucial role in ty in the emergency setting. He observed the daily practice of radiology, will be featured in scientific “particular interest in multidetector CT and focus sessions, as will quantitative imaging, structured for abdominal trauma, particularly as it reporting and molecular imaging,” said RSNA Scientific Pro- relates to scanning protocols, delayed gram Committee Chair Robert M. Quencer, M.D., a professor imaging and multiplanar display.” and chair of radiology at the University of Miami School of Medicine. Notable presentations will examine This year the committee received 10,878 abstracts for consideration—7,052 cumulative data on modality utiliza- for scientific presentations and 3,826 for education exhibits. Over the summer, tion, the appropriateness of Prospective the committee, with its subcommittees, selected 1,803 abstracts as scientific Investigation of Pulmonary Embolism papers and 729 as scientific posters. A separate committee accepted 1,606 Diagnosis (PIOPED) II criteria for patients abstracts for education exhibits. aged 40 years and younger, the impor- tance of delayed CT in blunt trauma and Breast Imaging ment, said subcommittee chair Andre J. pelvic CT angiography in blunt trauma Duerinckx, M.D., Ph.D. Defining breast cancer risk and selecting using 64-slice multidetector CT, said Dr. patient-specific screening strategies are Cardiac subcommittee members identi- Nuñez. developing areas this year, said Jennifer fied many great abstracts in two key Gastrointestinal Radiology A. Harvey, M.D., subcommittee chair. areas—early population studies about Presentations examine the cost-effec- clinical acceptance and applications of CT colonography as a viable screen- tiveness of MR screening, risk assess- cardiac CT as well as the use of dual- ing study for polyp detection remains ment, the role of screening ultrasound source CT, said Dr. Duerinckx. a popular topic, said Erik K. Paulson, and how to address the lower sensitivity M.D., subcommittee chair. “There is also Other sessions will cover radiation of mammography in women with denser continued interest in exploring the ef- safety, cardiac CT technique improve- breasts. ficacy of this technology, applications of ments, plaque imaging, quantitative computer-aided detection and develop- Other presentations examine digital cardiac radiology and comparisons with ment of novel bowel preparations,” he tomography, breast-specific gamma im- echocardiography and nuclear stress said. He also noted increased interest aging and MR screening for women with testing, he said. in analyzing the biologic behavior and prior breast cancer. There is a marked Chest Radiology treatment response of tumors with increase in submitted studies on diffu- quantitative CT and MR techniques, sion-weighted MR, Dr. Harvey said. In the chest subspecialty, there is con- including 3T MR applications. tinued interest in pulmonary emboli and Notable trends include the application nodules, said H. Page McAdams, M.D., “Dual-energy CT is now offered on clini- of cross-sectional and functional imag- subcommittee chair. cal scanners and the first wave of critical ing using detectors specifically designed assessment of this technology will be for the breast. “This includes positron Pulmonary embolism presentations will presented,” Dr. Paulson said. “Research- emission mammography, breast specific explore dose issues and applications in ers in the subspecialty also continue gamma imaging, CT, tomosynthesis pregnancy, while studies in nodule clas- to explore novel methods to reduce and whole breast ultrasound,” said Dr. sification will examine computer-aided radiation dose without suffering loss in Harvey. “These developing applications detection (CAD), nodule volumes and diagnostic accuracy.” may play a role in improving diagnostic screening. Many abstracts focus on CAD capabilities and provide ancillary screen- Genitourinary Radiology applications beyond mere nodule defini- ing for women at high risk of developing tion, Dr. McAdams said. breast cancer.” Marcia C. Javitt, M.D., subcommittee Other remarkable topics are texture- chair, reported more studies on diffu- Cardiac Radiology based classification of interstitial pneu- sion-weighted imaging of masses in the monia, variability in pulmonary nodule kidneys, ovaries and prostate. New data Overall, there is strong interest in car- volume software and dual-energy CT of also were submitted reporting long-term diac CT, with presentations focusing on radiation dose and technique develop- the peripheral vessels, said Dr. McAdams. follow-up on patients who underwent 14 RSNA NEWS OCTOBER 2008
  • 2. RSNA2008.RSNA.ORG 2008 RSNA Scientific Program Committee The RSNA Scientific Program Committee met in June at RSNA Headquarters in Oak Brook, Ill. (front row, from left) Jennifer A. Harvey, M.D., Marcia C. Javitt, M.D., N. Reed Dunnick, M.D., Robert M. Quencer, M.D., Diego B. Nuñez Jr., M.D., M.P.H., and Ruth C. Carlos, M.D., M.S. (back row, from left) H. Page McAdams, M.D., James S. Welsh, M.D., M.S., David A. Rubin, M.D., Keith J. Dreyer, D.O., Ph.D., Lane F. Donnelly, M.D., Erik K. Paulson, M.D., Mauricio Castillo, M.D., Andre J. Duerinckx, M.D., Ph.D., and Milton J. Guiberteau, M.D. (not pictured) John A. Kaufman, M.D., Umar Mahmood, M.D., Ph.D., and Martin J. Yaffe, Ph.D. renal tumor and fibroid ablation, as well imaging center where radiologists consult Molecular Imaging as cryotherapy. directly with patients, said Dr. Carlos. Subcommittee Chair Umar Mahmood, Other presentations this year will address A groundbreaking area of study, said M.D., Ph.D., noted an increased variety resident education, evidence-based medi- Dr. Javitt, is the linkage of gene expres- of applications and agents in this year’s cine and guideline development. sion to tissue characterization. In these submissions. “This is exactly what we Informatics studies, she said, the morphology visible want as the field moves more into the on cross-sectional imaging studies was clinic,” he said. This year’s submissions indicate that compared with genetic markers of renal business intelligence and data analytics Topics of note include new MR mo- cell cancer. She noted another practical are being increasingly used for clinical lecular imaging methods, multimodal study of contrast-induced nephropathy and operational data mining, said Keith agents, the use of fluorodeoxyglucose and nephrogenic systemic fibrosis, which Dreyer, D.O., Ph.D., subcommittee chair. PET to predict cardiovascular risk, a new reported on the use of glomerular filtra- He also noted a significant trend in the PET tracer to assess innervation and in- tion rate measurement techniques. understanding of natural-language for creased use of MR smart agents. “Human Health Services Policy and radiology reports. application represents a small minority Research of abstracts, but I think it has increased Informatics presentations will cover somewhat compared to previous years,” topics such as the effects of structured A broader range of research topics and said Dr. Mahmood. reporting and decision support, using some novel submissions will be part of the iGoogle dashboard to monitor a Musculoskeletal Radiology the program this year, said Subcommit- radiology department, the RAD-DASH tee Chair Ruth C. Carlos, M.D., M.S. Presentations this year represent more Web-based graphical business platform attempts to characterize bone and Notable topics include disparity in types for managing radiology performance, soft tissue tumors using advanced MR of imaging related to socioeconomic quality metrics and the National Cancer techniques like diffusion imaging and status or insurance coverage, the effects Institute’s Cancer Biomedical Informatics spectroscopy, said David A. Rubin, M.D., of including a patient photo with a radio- Grid (CaBIG), said Dr. Dreyer. subcommittee chair. logic exam, occupational stress in radi- ologists and evaluation of an outpatient Continued on next page 15 RSNANEWS.ORG RSNA NEWS
  • 3. RSNA 2008 PREVIEW RSNA 2008 Delivers Radiology’s Present and Future Continued from previous page Nuclear Medicine Radiation Oncology/Radiobiology More emphasis is placed on quantitative PET imaging techniques with respiratory Subcommittee chair James S. Welsh, analysis of images and data, as opposed gating and new hybrid technology such M.D., M.S., said notable topics this year to qualitative analysis, Dr. Rubin added. as “gamma ultrasound” will be high- include consolidative radiotherapy for “This trend is present in tumor charac- lighted this year, said Milton J. Guiber- non-Hodgkin lymphoma, hepatic arterial terization, imaging methods for osteo- teau, M.D., subcommittee chair. embolization with Holmium-166 poly porosis and even tendon sonography,” (L-lactic acid) to predict distribution of he said. Presentations will also represent the therapeutic dose and immunomodula- emerging literature of correlative clinical Dr. Rubin also noted a trend toward us- tor therapy to enhance radiotherapy imaging technologies such as fluorode- ing CT and ultrasound guidance, rather response. There are also a variety of in- oxyglucose (FDG) PET, CT and MR, Dr. than fluoroscopy, to increase the safety teresting radiation biology subjects, said Guiberteau continued. “In addition to of risky procedures like cervical spine Dr. Welsh, along with strong submissions using nuclear medicine to assess and injections. Other presentations, he said, for the Bolstering Oncoradiologic and predict lesion response to more estab- will explore applications of diffusion Oncoradiotherapeutic Skills for Tomor- lished conventional treatments, impor- tensor imaging and tractography for row (BOOST) program. (To read more tant topics will include nuclear medicine the imaging of peripheral nerves and about BOOST, see Page 18.) evaluation of the success of emerging muscles, use of diffusion MR to help Vascular and Interventional therapies, such as liposomal-mediated distinguish benign from malignant Radiology oncologic treatments and interventional musculoskeletal tumors, ultrashort TE therapy outcomes.” MR applications, percutaneous tumor MR-guided galvanotherapy for prostate and pain management techniques and cancer, cryotherapy for painful bone A nuclear medicine quantitative imaging tendon sonoelasticity. metastases, drug-coated percutane- session will address FDG-PET standard- ous transluminal angioplasty balloons ized uptake value (SUV) determinations Neuroradiology/Head and Neck to improve patency and percutaneous in a variety of clinical settings, Dr. Guib- Utilization of advanced imaging tech- recanalization after failed surgery are erteau said. niques like diffusion-weighted imaging, remarkable topics this year, said John Pediatric Radiology perfusion with MR and CT and spec- A. Kaufman, M.D., subcommittee chair. troscopy for all masses in the neck are Oncologic interventions constitute the Subcommittee Chair Lane F. Donnelly, increasing, said Subcommittee Chair single largest topic, he said. M.D., said attendees can look forward Mauricio Castillo, M.D. He noted that to important presentations on CT dose, Global Commitment sonographic elastography for diagno- helical MR, diffusion tensor imaging for sis of neck masses is also beginning to to Quality body applications and pediatric inter- emerge as a mature clinical imaging ventional radiology. technique. “The substantial input into the quality Physics of the meeting by radiologists and “Diffusion-weighted imaging of the spi- scientists involved in imaging research nal cord is being refined and beginning Notable physics abstracts explore non- throughout the world will make RSNA to be clinically utilized and helpful,” said contrast MR detection of tumor micro- 2008 an important meeting for all Dr. Castillo. “Diffusion-weighted imaging vasculature and a four-view CAD system those involved in radiology and its al- of the intervertebral disc may be able to for breast masses, said subcommittee lied fields,” said Dr. Quencer. identify an abnormal disc before other chair Martin J. Yaffe, Ph.D. Other presen- techniques. Also, the effects of iron de- tations will address distortion-free MR position in the brain and its relationship imaging near metallic implants, progno- to several neurodegenerative disorders sis of breast carcinoma using computer- are being investigated with susceptibil- extracted morphological and kinetic ity weighted imaging.” features in dynamic contrast-enhanced MR and monitoring intrahepatic and Also presented this year will be several subcutaneous hepatocellular carcinoma techniques that may help to distinguish growth with 23Na and 1H MR. between symptomatic and asymptomat- ic atherosclerotic plaques in the internal carotid arteries, said Dr. Castillo. 16 RSNA NEWS OCTOBER 2008