CT: Page 229

Spectral photon-counting CT, k-edge imaging boost stent analysis

Tuesday, November 29 | 11:00 a.m.-11:10 a.m. | SSG12-04 | Room S403BIn this presentation, researchers will discuss the added value of spectral CT and k-edge imaging in the assessment of stented vessels to reduce artifacts.

October 31, 2016

Kids breathe freely without sedation for high-resolution chest CT

Tuesday, November 29 | 9:00 a.m.-9:10 a.m. | RC313-03 | Room N228Squirming children are a constant concern in the CT suite, but researchers from Lille, France, scanned more than 300 children with a low-dose free-breathing protocol that delivered excellent image quality.

October 31, 2016

Multispectral CT offers new clarity for cardiovascular imaging

Tuesday, November 29 | 7:15 a.m.-8:15 a.m. | SPSH30 | Room E352This Tuesday Hot Topic Session will offer a comprehensive review of the technical and clinical aspects of various types of spectral CT imaging, including established techniques such as dual-source and rapid kVp switching, and emerging techniques such as split-beam CT, spectral detector CT, and photon counting.

October 31, 2016

The dubious value of lead aprons

Monday, November 28 | 3:10 p.m.-3:20 p.m. | SSE21-02 | Room S403AAre lead aprons really helpful for reducing scatter radiation from CT? A study from the Mayo Clinic in Rochester, MN, casts doubt on the utility of shields placed outside the scan region.

October 31, 2016

Deep learning can detect osteoporosis on CT exams

By Erik L. Ridley

Monday, November 28 | 12:15 p.m.-12:45 p.m. | IN212-SD-MOA3 | Lakeside, IN Community, Station 3Artificial intelligence based on deep-learning techniques may be able to automatically screen for osteoporosis in routine abdominal CT exams, according to this poster presentation.

October 31, 2016

What radiologists need to know about the Zika virus

Monday, November 28 | 7:15 a.m.-8:15 a.m. | SPSH21 | Room E450BThis Hot Topic Session will consist of five presentations on topics such as the role of the radiologist in Zika infection, prenatal imaging findings of congenital Zika infection, pathological correlation with imaging findings, and an update on prevention and vaccination.

October 31, 2016

Canadians study changing approaches to suspected acute appendicitis

Sunday, November 27 | 12:05 p.m.-12:15 p.m. | SSA06-09 | Room N226As imaging for suspected appendicitis continues to evolve, researchers in Ontario, Canada, sent questionnaires to centers across the country to find out how they were handling these patients. Among the findings: Ultrasound is often the first choice for diagnosing younger patients.

October 31, 2016

How does tube current modulation affect CT lung cancer screening dose?

Sunday, November 27 | 11:35 a.m.-11:45 a.m. | SSA21-06 | Room S404ABResearchers from the University of California, Los Angeles designed a project to measure effective and organ radiation doses in lung cancer screening studies using tube current modulation. They found very low doses overall.

October 31, 2016

90 sites compete in low-dose liver lesion detection

Sunday, November 27 | 11:35 a.m.-11:45 a.m. | SSA20-06 | Room S403BLeading medical and physics societies created a contest to compare iterative reconstruction and denoising techniques in low-dose CT for liver lesion detection. Facilities in 26 countries took up the challenge, according to this presentation from the Mayo Clinic in Rochester, MN.

October 31, 2016

Low-dose 4D cardiac CT protocol makes procedure viable

Sunday, November 27 | 11:35 a.m.-11:45 a.m. | SSA03-06 | Room S502ABIs it time for another look at functional 4D cardiac CT? Researchers from Japan proposed a cine cardiac CT scheme that permits accurate assessment of left-ventricular function at an extraordinarily small dose.

October 31, 2016

FFR-CT is formidable in reducing unnecessary invasive angiography

Sunday, November 27 | 11:15 a.m.-11:25 a.m. | SSA04-04 | Room S504ABBelgian radiologists tested noninvasive fractional flow reserve CT (FFR-CT) to find out if it really reduced unnecessary invasive angiographies in chest pain patients undergoing coronary CT angiography. Their answer was yes, emphatically.

October 31, 2016

Web-based CT protocol system untangles CT protocol knot

Sunday, November 27 | 10:45 a.m.-10:55 a.m. | SSA20-01 | Room S403BManaging CT protocols, especially at a large institution, can be an unwieldy task. But researchers from the Mayo Clinic in Rochester, MN, tamed the beast with a web-based protocol management system.

October 31, 2016

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