Resources: Page 404

Single-phase CT of the liver sufficient for melanoma surveillance
By Eric Barnes
Friday, November 30 | 11:10 a.m.-11:20 a.m. | SST05-05 | Room E353CSingle portal-venous phase CT is adequate for hepatic metastatic disease surveillance in patients with metastatic cutaneous melanoma, concluded researchers from Utah, who found that arterial-phase CT didn't provide much additional information.
November 5, 2012
Study shows pericardial fat is linked to calcified plaque
By Eric Barnes
Thursday, November 29 | 11:50 a.m.-12:00 p.m. | SSQ01-09 | Room S502ABPatients with higher levels of pericardial fat are also more likely to have more coronary artery calcium and, hence, greater risk of cardiac events, say researchers from the University of California, San Francisco.
November 5, 2012
New 'LUNG-RADS' scheme sorts out screening results
By Eric Barnes
Thursday, November 29 | 11:40 a.m.-11:50 a.m. | SSQ10-08 | Room S403AA new "LUNG-RADS" system for lung cancer screening with CT aims to standardize the reporting of findings, both pulmonary and extrapulmonary, according to researchers from the Lahey Institute in Burlington, MA, who developed the system late last year.
November 5, 2012
Flat-panel CT perfusion monitors hepatic blood volume in real-time
By Eric Barnes
Thursday, November 29 | 11:20 a.m.-11:30 a.m. | SSQ19-06 | Room N227Flat-panel CT can monitor hepatic blood-volume changes right in the angiographic suite with the patient on the table, which could be useful during transarterial chemoembolization procedures, according to researchers from Shanghai Jiao Tong University in China.
November 5, 2012
MBIR takes on ASIR in low-dose chest CT
By Eric Barnes
Thursday, November 29 | 11:10 a.m.-11:20 a.m. | SSQ03-05 | Room S405ABBoth adaptive statistical iterative reconstruction (ASIR) and model-based iterative reconstruction (MBIR) improve image quality at low doses, but does GE Healthcare's more advanced MBIR algorithm produce noticeably sharper lung images?
November 5, 2012
DECT reduces metal artifact versus single-energy CT
By Eric Barnes
Thursday, November 29 | 10:30 a.m.-10:40 a.m. | SSQ15-01 | Room S102CDual-energy CT (DECT) with rapid kV switching significantly reduced metal artifacts in an animal model, regardless of whether metal artifact reduction software was used, according to a study from Canada.
November 5, 2012
AIDR 3D boosts image quality at half the dose
By Eric Barnes
Wednesday, November 28 | 3:50 p.m.-4:00 p.m. | SSM20-06 | Room S404ABCompared with filtered back projection reconstruction images, CT images processed with adaptive iterative dose reduction (AIDR) 3D have less noise, better low-contrast resolution, better diagnostic image quality, and less artifact, reported researchers from Leiden University Medical Center.
November 5, 2012
Study pinpoints optimal ASIR blend for stomach cancer
By Eric Barnes
Wednesday, November 28 | 3:40 p.m.-3:50 p.m. | SSM08-05 | Room E353BWhat's the best blend of adaptive statistical iterative reconstruction (ASIR) for evaluating gastric cancers for postoperative follow-up? Researchers from South Korea wanted to minimize radiation dose but avoid missing a recurrence, so they systematically analyzed the results of different blends.
November 5, 2012
Cardiac CTA incorporates function, motion analysis
By Eric Barnes
Wednesday, November 28 | 3:40 p.m.-3:50 p.m. | SSM03-05 | Room S502ABA 64-detector-row scanner can deliver anatomic as well as functional information if you follow the lead of Johns Hopkins University researchers, who used the same data for CT angiography (CTA) and cardiac function, motion analysis, and myocardial perfusion information.
November 5, 2012
Technologists are quick on the trigger to repeat head scans
By Eric Barnes
Wednesday, November 28 | 11:10 a.m.-11:20 a.m. | SSK16-04 | Room S403BIn a Canadian study, CT technologists rated head CT image quality lower than radiologists when artifacts were present, making them more prone to repeat scans and expose patients to additional radiation.
November 5, 2012
Virtual high-keV images at DECT cut metal artifact
By Eric Barnes
Wednesday, November 28 | 11:10 a.m.-11:20 a.m. | SSK11-05 | Room N230Virtual high-keV images of spine hardware at dual-energy CT (DECT) show less artifact and are easier to read than conventional CT images, according to a research team from the University of Michigan.
November 5, 2012
320-slice 4D head CTA derived from CTP replaces extra scan
By Eric Barnes
Wednesday, November 28 | 8:55 a.m.-9:05 a.m. | VSNR41-02 | Room E451BA new technique can boost the quality of low-dose head CT perfusion (CTP) to the point where it can replace higher-dose 3D CT angiography (CTA), say Dutch researchers, who will explain their findings in this scientific presentation.
November 5, 2012
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