Resources: Page 300

Tin filters and lung nodule CT at x-ray exposure levels: Accurate?
By Eric Barnes
Thursday, December 3 | 11:10 a.m.-11:20 a.m. | SSQ19-05 | Room S403BHow well does CT equipped with a tin filter measure lung nodule volumes at radiation dose levels similar to those of a chest x-ray? Pretty well, most of the time, Mayo Clinic researchers will report in this Thursday presentation.
November 2, 2015
Noncontrast head CT takes on small hyperdensities
By Eric Barnes
Wednesday, December 2 | 3:50 p.m.-4:00 p.m. | SSM07-06 | Room S403BIn the emergency room, noncontrast head CT scans often reveal hyperdensities that could represent small parenchymal hemorrhages or calcifications. Much of the time, but not always, the two can be differentiated by morphology and location. But is the standard practice of waiting six hours to repeat the head CT scan to assess stability the best way to solve the remaining mysteries?
November 2, 2015
Monoenergetic images vs. calcium blooming in CCTA
By Eric Barnes
Wednesday, December 2 | 11:50 a.m.-12:00 p.m. | SSK04-09 | Room S504ABCalcium blooming in coronary CT angiography (CCTA) images makes calcium appear larger than its actual size, exaggerating the extent of luminal stenosis and producing false-positive tests, which can lead to inappropriate clinical management, according to this study to be presented on Wednesday.
November 2, 2015
For ischemic stroke, CT perfusion boosts detection in posterior circulation
By Eric Barnes
Tuesday, December 1 | 3:10 p.m.-3:20 p.m. | SSJ18-02 | Room N226There is still no consensus about the best way to image the posterior circulation in the setting of ischemic stroke, but researchers in Münster, Germany, have found significant value in CT perfusion.
November 2, 2015
Radiology's future combines tech innovation and productivity tools
By Eric Barnes
Tuesday, December 1 | 1:30 p.m.-2:45 p.m. | PS30C | Arie Crown TheaterWhat does the future hold for radiology? Get ready for a cascade of sometimes conflicting trends -- all leading toward a more complex and better diagnosed future, according to a Tuesday plenary talk by radiology luminary Dr. James Thrall.
November 2, 2015
DECT technique separates benign from malignant lung nodules
By Eric Barnes
Tuesday, December 1 | 11:50 a.m.-12:00 p.m. | SSG03-09 | Room S404CDWhile CT is good at detecting lung nodules, PET/CT is better at determining whether they are malignant or benign. Researchers from Kobe, Japan, wanted to see if their CT technique, known as dual-point contrast-enhanced dual-energy CT (DECT), could rival PET/CT for predicting malignancy.
November 2, 2015
Phase-contrast CT technique reveals hidden image information
By Eric Barnes
Tuesday, December 1 | 11:40 a.m.-11:50 a.m. | SSG14-08 | Room S403BNew developments in phase-contrast CT imaging have some investigators intrigued about the potential of x-ray-based techniques to reveal previously unseen information. Researchers from Emory University will share their thoughts in this Tuesday session.
November 2, 2015
What's the minimum CT dose for hepatic metastasis detection?
By Eric Barnes
Tuesday, December 1 | 11:20 a.m.-11:30 a.m. | SSG05-06 | Room E352How low can the CT radiation dose go for hepatic metastasis detection when using advanced iterative reconstruction? Investigators from the Mayo Clinic in Rochester, MN, wanted to see how low advanced iterative reconstruction would take them.
November 2, 2015
DECT differentiates lung lesions with material decomposition
By Eric Barnes
Tuesday, December 1 | 11:10 a.m.-11:20 a.m. | SSG03-05 | Room S404CDIn this study, researchers from Boston investigated the characteristics of lung abnormalities seen on material decomposition images from dual-energy CT (DECT).
November 2, 2015
Review course: Today's stroke triage tools
By Eric Barnes
Tuesday, December 1 | 8:30 a.m.-8:55 a.m. | RC305-01 | Room N230How are today's neuroradiologists handling stroke triage? Perfusion CT and perfusion-weighted MRI can assess for ischemic stroke, hemorrhage, vasospasm, brain tumors, seizures, and traumatic brain injury. But not everything is appropriate for every case, according to Dr. Max Wintermark from Stanford University.
November 2, 2015
Multiphase CT enterography finds obscure GI bleeds
By Eric Barnes
Monday, November 30 | 3:00 p.m.-3:10 p.m. | SSE08-01 | Room E353CMultiphase CT enterography is an effective option for detecting the source of gastrointestinal (GI) bleeds, according to this study to be presented on Monday afternoon.
November 2, 2015
Photon-counting CT algorithm cuts noise in multienergy CT
By Eric Barnes
Monday, November 30 | 3:00 p.m.-3:10 p.m. | SSE22-01 | Room S403BIn this scientific session, researchers from the Mayo Clinic in Rochester, MN, will discuss their use of a new algorithm to reduce noise in multienergy CT scans.
November 2, 2015
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