CT: Page 401

CTA parameters quantify arterial narrowing in aSAH patients
By Eric Barnes
Monday, November 29 | 3:20 p.m.-3:30 p.m. | SSE17-03 | Room N229In patients presenting with aneurysmal subarachnoid hemorrhage (aSAH), whole-brain CT perfusion (CTP) and CT angiography (CTA) provide baseline perfusion parameters for future comparison when CTA is performed for evaluating a suspected ruptured aneurysm, researchers will report in this Monday session.
November 18, 2010
Fusion imaging system enables ablation of liver tumors undetectable at US
By Eric Barnes
Sunday, November 28 | 11:05 a.m.-11:15 a.m. | SSA24-03 | Room E350A real-time fusion imaging system that combines ultrasound with CT or MRI allows liver tumors to be targeted and ablated that otherwise would not have been detected on ultrasound, according to this study to be presented on Sunday.
November 18, 2010
CT attenuation changes after RFA predict 6-month HCC outcomes
By Eric Barnes
Sunday, November 28 | 10:55 a.m.-11:05 a.m. | SSA24-02 | Room E350Patients destined to show signs of recurrence after radiofrequency ablation (RFA) of hepatocellular carcinoma (HCC) lesions reveal different CT attenuation patterns within 24 hours of the procedure, according to researchers from Mexico.
November 18, 2010
Real-time CT dose monitoring/reporting system debuts
By Cynthia E. Keen
Wednesday, December 1 | 11:30 a.m.-11:40 a.m. | SSK09-07 | Room S402ABIn an informatics scientific session focusing on quality and safety, a team from Stanford University in Stanford, CA, will present an approach that it has developed to perform real-time CT dose monitoring and reporting.
November 17, 2010
Low radiation dose for CT scout image recommended
By Cynthia E. Keen
Wednesday, December 1 | 11:20 a.m-11:30 a.m. | SSK09-06 | Room S402ABHow variable is the dose of the scout image of a CT scan? How useful is it as a diagnostic tool to radiologists? Find out what researchers at the University of Maryland in Baltimore discovered after conducting a survey of its radiologists who work at five hospitals.
November 17, 2010
OCR technology used in CT dose reporting and archiving system
By Cynthia E. Keen
Monday, November 29 | 12:15 p.m.-12:45 p.m. | LL-INE1167-MOA | Lakeside Learning CenterWhile new CT scanners incorporate DICOM-SR standards that record radiation dose, legacy scanners do not. Radiologists at the Hospital of the University of Pennsylvania in Philadelphia have developed an enterprisewide solution to automatically extract and store data from image-based dose sheets found on CT scanners.
November 17, 2010
Suspected PE patients benefit from CTPA ordering system
By Cynthia E. Keen
Sunday, November 28 | 11:05 a.m.-11:15 a.m. | SSA11-03 | Room S403AThe value of using a computerized clinical decision-support system when ordering a CT pulmonary angiogram (CTPA) for suspected pulmonary embolism (PE) will be one of several scientific session presentations on the use of clinical decision support by physicians.
November 17, 2010
Survey finds lack of radiation awareness among radiology professionals
By Wayne Forrest
Wednesday, December 1 | 11:40 a.m.-11:50 a.m. | SSK08-08 | Room S102DHow many radiology professionals believe that MRI and ultrasound use ionizing radiation? A worldwide poll of radiology professionals found that 13% believe ionizing radiation is used in MRI scans, while 15% say ionizing radiation is used in ultrasound.
November 16, 2010
Educating radiologists about CTPA doesn't reduce overuse rates
By Kate Madden Yee
Monday, November 29 | 3:10 p.m.-3:20 p.m. | SSE12-02 | Room S102DIn this scientific session, Michigan researchers will discuss how educating radiologists about workup guidelines for suspected pulmonary embolus doesn't necessarily curb overutilization rates for CT pulmonary angiography (CTPA) in the emergency room.
November 16, 2010
Use of CT spikes in emergency department
By Kate Madden Yee
Monday, November 29 | 11:50 a.m.-12:00 p.m. | SSC07-09 | Room S102DThe use of CT in hospital emergency departments has increased at a higher rate than the technology's use in other settings, according to researchers from Cincinnati Children's Hospital Medical Center.
November 16, 2010
Same-day renal function testing helps manage contrast dose for CT, MRI
By Kate Madden Yee
Monday, November 29 | 11:00 a.m.-11:10 a.m. | SSC07-04 | Room S102DTesting patients' renal function the same day they are scheduled for MRI or CT exams helps clinicians better manage contrast dose, according to researchers from the University of Rochester in Rochester, NY.
November 16, 2010
Dose reduction to be GE RSNA highlight
By Brian Casey
Technologies to reduce radiation dose from medical imaging procedures will be highlighted in GE Healthcare's RSNA booth this year. At the top of the list is GE's adaptive statistical iterative reconstruction (ASIR) technology, which can reduce dose for CT studies by 40% to 50%, according to the company.
November 15, 2010
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