Gastrointestinal Radiology: Page 92

Readers undaunted by VC CAD false positives
By Eric Barnes
Radiologists examining data from virtual colonoscopy studies can easily dismiss increasing numbers of false-positive detections generated by computer-aided detection (CAD) systems, researchers from the U.K. report. But the presence of more false positives makes reading less efficient.
June 11, 2009
Study: Colon cancer patients getting younger
By AuntMinnie.com staff writers
Although the incidence of colorectal cancer is falling in the U.S. population as a whole, disease rates are rising among younger adults, according to a new study by the American Cancer Society.
June 7, 2009
Virtual colonoscopy CAD improves flat-lesion detection
By Eric Barnes
Computer-aided detection (CAD) software can improve the detection of flat lesions at virtual colonoscopy -- as long as the lesions are at least 1 mm high. In a new study from Italy, CAD detected 94% of all flat lesions; however, radiologists dismissed a few of them incorrectly as false positives.
June 4, 2009
2009 06 01 14 10 30 42 Iafrate thumb 06 09
Extracolonic findings can't be ignored, VC expert says
By Eric Barnes
The presence of extracolonic findings at virtual colonoscopy is a double-edged sword for practitioners, but constitutes a net positive benefit for patients, according to a presentation at the recent International Symposium on Multidetector-Row CT in San Francisco.
May 31, 2009
NEJM editorial lauds CMS rejection of VC
By AuntMinnie.com staff writers
An editorial in this week's New England Journal of Medicine praises the U.S. Centers for Medicare and Medicaid Services' (CMS) recent decision to decline reimbursement for screening virtual colonoscopy. But a VC practitioner counters that the agency ignored evidence of the procedure's effectiveness.
May 27, 2009
FDA clears Boston Scientific catheter
By AuntMinnie.com staff writers
Interventional device developer Boston Scientific has received clearance from the U.S. Food and Drug Administration for a catheter used for endoscopic procedures, the company said.
May 27, 2009
Study: Cancer death rates drop in U.S.
By AuntMinnie.com staff writers
Cancer death rates continue to decline in the U.S., according to the American Cancer Society's annual cancer statistics report for 2009.
May 27, 2009
Increase seen in metastatic colon cancer survival
By AuntMinnie.com staff writers
Advances in chemotherapy, biological agents, and liver resection techniques have led to a dramatic increase in survival for patients with metastatic colorectal cancer, according to researchers at M. D. Anderson Cancer Center at the University of Texas in Houston and the Mayo Clinic in Rochester, MN.
May 26, 2009
iCAD submits VeraLook data to FDA
By AuntMinnie.com staff writers
Computer-aided detection (CAD) firm iCAD has submitted data to the U.S. Food and Drug Administration for 510(k) clearance of its VeraLook CAD technology for CT colonography.
May 26, 2009
ASIR reconstruction sharpens images, slices abdominal CT dose
By Eric Barnes
SAN FRANCISCO - Iterative reconstruction is a hot topic in CT imaging this year. The use of one proprietary method in particular, adaptive statistical iterative reconstruction (ASIR) from GE Healthcare, has significantly reduced body imaging doses in several multicenter studies discussed at this week's International Symposium on Multidetector-Row CT.
May 20, 2009
2009 05 21 10 09 29 332 Hara asirthumb 05 09
Interest grows in noncardiac ultrasound contrast applications
By Erik L. Ridley
ATLANTIC CITY, NJ - Ultrasound contrast agents have experienced a turbulent period in the U.S., but advocates believe that better days are ahead, expressing optimism that agents will be approved in the U.S. for radiology applications within the next few years.
May 20, 2009
Pre-, postcontrast DWI-MRI similar in liver, spleen, and pancreas
By Wayne Forrest
A new study has found that administering intravenous gadolinium does not make a significant difference in MR images of the liver, spleen, or pancreas in a direct comparison of precontrast and postcontrast diffusion-weighted imaging (DWI).
May 17, 2009
2009 05 15 14 01 36 234 15 Kidneys Thumb
Previous Page
Page 92 of 170
Next Page