Resources: Page 405

Low-dose perfusion CT maps vary depending on software
By Eric Barnes
Tuesday, November 27 | 3:00 p.m.-3:10 p.m. | SSJ17-01 | Room N226Cerebral blood volume and cerebral blood flow values for both gray and white matter rise with the use of low-dose CT, according to a study from Radboud University Nijmegen Medical Center in the Netherlands.
November 5, 2012
Split-bolus spectral CT halves pancreas dose, boosts conspicuity
By Eric Barnes
Tuesday, November 27 | 11:50 a.m.-12:00 p.m. | SSG07-09 | Room E353CCT split-bolus spectral CT improves vascular, liver, and pancreatic attenuation and tumor conspicuity in the pancreas compared with two-phase imaging, using half the radiation dose, say researchers from Beth Israel Deaconess Medical Center.
November 5, 2012
Attenuation-based technique measures patient size for dose estimates
By Eric Barnes
Tuesday, November 27 | 11:40 a.m.-11:50 a.m. | SSG17-08 | Room S404ABSize-specific dose estimates are the big thing in CT dose optimization, of course, but figuring out every patient's size can be a tedious and inexact undertaking. Mayo Clinic researchers will share their time-saving approach in this scientific session.
November 5, 2012
Perfusion CT evaluates effectiveness of antiangiogenic drugs in NSCLC
By Eric Barnes
Tuesday, November 27 | 11:25 a.m.-11:35 a.m. | VSCH31-14 | Room N230Perfusion CT is more effective than Response Evaluation Criteria in Solid Tumors (RECIST) for evaluating the effectiveness of short-term antiangiogenic chemotherapy for non-small cell lung cancer (NSCLC), according to a group from Calmette Hospital and the University of Lille in France.
November 5, 2012
Iterative reconstruction won't change diffuse lung disease diagnosis
By Eric Barnes
Tuesday, November 27 | 11:20 a.m.-11:30 a.m. | SSG05-06 | Room S405ABThe use of iterative reconstruction brings important benefits, but it may have little effect on quantifying regional disease patterns in diffuse lung disease -- meaning the techniques can be used interchangeably, according to a study from University of Ulsan College of Medicine in Seoul, South Korea.
November 5, 2012
Spectral CT can differentiate gastric carcinoma
By Eric Barnes
Tuesday, November 27 | 10:50 a.m.-11:00 a.m. | SSG16-03 | Room S403BSpectral CT can be used to distinguish moderately differentiated adenocarcinoma from poorly differentiated adenocarcinoma and is helpful for evaluating the differentiation state of gastric cancers, say researchers from China.
November 5, 2012
Contrast-induced nephropathy incidence is overestimated
By Eric Barnes
Tuesday, November 27 | 10:50 a.m.-11:00 a.m. | SSG08-03 | Room S102DCarefully performed studies suggest that the incidence and severity of contrast-induced nephropathy (CIN) after IV contrast injection for CT studies has been overestimated, according to researchers from the Mayo Clinic in Rochester, MN, who examined the incidence and severity of CIN in a meta-analysis.
November 5, 2012
Dynamic bow-tie attenuation filter improves CT resolution
By Eric Barnes
Tuesday, November 27 | 10:30 a.m.-10:40 a.m. | SSG17-01 | Room S404ABIn a proof-of-concept experiment, use of a new dynamic bow-tie filter yielded lower doses and higher CT image resolution. Details of the University of Wisconsin research will be presented in this Tuesday scientific session.
November 5, 2012
Tweaking criteria fine-tunes definition of resectable pancreatic cancer
By Eric Barnes
Tuesday, November 27 | 10:30 a.m.-10:40 a.m. | SSG07-01 | Room E353CDecision-making in borderline resectable pancreatic cancers may benefit from refinement of the preoperative CT criteria for venous involvement, concluded researchers from Tata Memorial Centre in Mumbai, India.
November 5, 2012
Photon-counting CT improves vulnerable plaque detection
By Eric Barnes
Monday, November 26 | 3:10 p.m.-3:20 p.m. | SSE21-02 | Room S403APhoton-counting CT detectors can enhance vulnerable coronary plaque detection and enable differentiation between plaque types, say researchers from Johns Hopkins University School of Medicine.
November 5, 2012
128-detector-row CT permits sharp contrast dose reductions for CTPA
By Eric Barnes
Monday, November 26 | 3:10 p.m.-3:20 p.m. | SSE05-02 | Room S404CDCutting the contrast dose by two-thirds doesn't degrade image quality in CT pulmonary angiography (CTPA) acquired on a 128-detector-row scanner, say researchers from Case Medical Center and Case Western Reserve Medical School.
November 5, 2012
Technique categorizes pleural effusion size at CT
By Eric Barnes
Monday, November 26 | 11:50 a.m.-12:00 p.m. | SSC04-09 | Room S404CDA simple system for quantifying pleural effusions on CT could improve physician agreement and reporting of findings, while helping to guide patient management, according to a new study from Montefiore Medical Center and the Albert Einstein College of Medicine.
November 5, 2012
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