Resources: Page 433

Templates for interventional radiology exams save hours in report preparation
By Cynthia E. Keen
Sunday, November 27 | 12:30 p.m.-1:00 p.m. | LL-INE1142-SUA | Lakeside Learning CenterIn this presentation, Dr. Lisa Obert, a radiology resident at the University of Cincinnati College of Medicine, will discuss how report templates are saving interventional radiologists, fellows, and residents 30 to 60 minutes per day in exam report preparation. For first-year residents, the time savings is even greater: one to two hours of efficiency gain each day.
November 10, 2011
QatchAll simplifies exam feedback to technologists
By Cynthia E. Keen
Sunday, November 27 | 12:30 p.m.-1:00 p.m. | LL-QSE3031-SUA | Lakeside Learning CenterProviding positive or critical feedback to radiologic technologists may be more trouble than it's worth, but Massachusetts General Hospital makes the process easy with QatchAll, while also telling all in this storyboard session.
November 10, 2011
Road to RSNA 2011: CT Preview
By Eric Barnes
Wide-area detectors, dual-source scanners, fast kV switching, and new contrast protocols that leverage CT's growing spatial and temporal resolution are important sides of the CT picture that will be showcased in presentations at the RSNA 2011 meeting in Chicago.
November 9, 2011
Road to RSNA 2011: CT Preview
Mobile cloud powers CAD for colon cancer screening
By Eric Barnes
Educational Exhibit | LL-INE1216 | Lakeside Learning CenterA lunchtime continuing medical education session will be held this year to demonstrate a high-resolution mobile display of virtual colonoscopy powered by a cloud-based computer-aided detection (CAD) system.
November 9, 2011
Pericolonic fat associated with adenomatous polyps
By Eric Barnes
Friday, December 2 | 10:30 a.m.-10:40 a.m. | SST04-01 | Room E350Patients with adenomatous colorectal polyps have higher fat volume fractions than patients without these polyps, according to a multipurpose virtual colonoscopy scan. The pairing sounds obvious enough, but researchers from Bethesda, MD, believe the results suggest that pericolonic fat itself may be the culprit behind adenoma growth.
November 9, 2011
Heavy-metal contrast cuts radiation dose
By Eric Barnes
Wednesday, November 30 | 3:10 p.m.-3:20 p.m. | SSM20-02 | Room S404ABCompared with some heavy metals, iodine and barium simply don't produce enough contrast in CT to optimize dose, according to medical physicist Tristan Nowak, from the Institute of Medical Physics at Friedrich-Alexander-University Erlangen-Nuremberg. In a study to be presented Wednesday afternoon, his group tested several heavy metals in phantoms in the search for an eventual replacement.
November 9, 2011
2-hour prep may ease VC scheduling after optical colonoscopy
By Eric Barnes
Tuesday, November 29 | 3:40 p.m.-3:50 p.m. | SSJ08-05 | Room E450BWhen a conventional colonoscopy fails to reach the cecum, virtual colonoscopy is a logical choice to complete the screening. But it can be difficult to refer these patients to VC fast enough to avoid a second bowel cleaning. Fortunately, a two-hour prep might be effective enough to spare the patient an extra trip to the clinic, according to a study being presented in a Tuesday session on VC techniques.
November 9, 2011
CT perfusion quantifies neoangiogenesis in HCC tumors
By Eric Barnes
Tuesday, November 29 | 11:10 a.m.-11:20 a.m. | SSG05-05 | Room E353CResearchers in Italy believe that CT perfusion can noninvasively quantify tumor blood supply in hepatocellular carcinoma (HCC) that relates to tumor neoangiogenesis, a process that is essential for tumor growth. The knowledge will help doctors better assess the disease and strategize treatment options, they said.
November 9, 2011
Myocardial perfusion stress CT moves to clinical use
By Eric Barnes
Tuesday, November 29 | 10:50 a.m.-11:00 a.m. | SSG02-03 | Room S503ABCardiac CT is ready for the comprehensive assessment of coronary artery disease in routine clinical use, say researchers from the Medical University of South Carolina. In the group's initial experience applying myocardial perfusion CT to a clinical population with acute chest pain, the technique detected myocardial perfusion defects just as well as the reference standards, MRI and SPECT.
November 9, 2011
Krypton replaces xenon for patient-friendly ventilation lung scan
By Eric Barnes
Tuesday, November 29 | 10:40 a.m.-10:50 a.m. | SSG03-02 | Room S504ABVentilation lung scans with high-resolution CT can be used to examine lung morphology and function in patients with chronic obstructive pulmonary disease. Replacing xenon with stable krypton gas might make the procedure easier for patients to complete, according to a new study.
November 9, 2011
Dual-energy measurements aid electronic cleansing in VC
By Eric Barnes
Tuesday, November 29 | 10:30 a.m.-10:40 a.m. | SSG13-01 | Room S403AA study of dual-energy index values at the boundary between colonic mucosa and air found significant enough differences between components of the bowel lumen to develop new virtual colonoscopy computer-aided detection schemes that will be more accurate than current-generation systems that rely on CT attenuation values.
November 9, 2011
CT approaches IVUS in plaque detection
By Eric Barnes
Monday, November 28 | 3:30 p.m.-3:40 p.m. | SSE03-04 | Room S502ABA study comparing CT to intravascular ultrasound (IVUS) for plaque detection found that CT isn't quite ready to take on ultrasound -- but it's not far off, the authors concluded.
November 9, 2011
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