Abdominal Imaging: Page 51

Open-source software increases colon polyp conspicuity
By Eric Barnes
Visibility of colon polyps is increased and sensitivity improved with the use of threshold-based color-coding software in virtual colonoscopy, according to a new study from Italy. Even flat lesions were more often visible with use of the open-source 2D-based interpretation software.
April 5, 2010
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Massive VC study yields trove of extracolonic cancers
By Eric Barnes
A study of more than 10,000 asymptomatic screening subjects found that more than one in 200 had unsuspected and typically large but mostly early-stage cancers detected outside the colon at virtual colonoscopy.
March 22, 2010
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Blood test detects colon cancer
By AuntMinnie.com staff writers
EDP Biotech is touting a biomarker-based blood test that it says can detect the presence of colorectal cancer with 99% sensitivity.
March 16, 2010
320-row CT minimizes dose in pediatric abdominal studies
By Eric Barnes
It's no secret that CT radiation dose levels in children -- especially in the emergency department, where patients are fidgety and physicians need fast answers -- are too high. One solution, investigated by researchers from Toronto and Berlin, is wide-area-detector scans with 320-detector-row CT.
March 2, 2010
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MRI enterography shows shortcomings for Crohn's disease
By Wayne Forrest
Although MRI enterography can diagnose important incidental findings in a minority of patients with suspected or known Crohn's disease, Dutch researchers have concluded that a substantial number of patients experience unnecessary morbidity because of additional examinations of benign or normal conditions.
February 22, 2010
MSK applications could give CAD a shot in the arm
By Erik L. Ridley
Computer-aided detection (CAD) technology in radiology has largely focused on cancer applications in the breast, chest, and colon. But with the pace of innovation slowing in those fields, the development of new musculoskeletal CAD applications could help revitalize the technology.
February 11, 2010
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320-row perfusion CT shows promise for pancreatic tumors
By Eric Barnes
Perfusion CT with a 320-detector-row scanner offers improved resolution of pancreatic tumors due to its ability to image the entire organ without slice overlap, according to researchers from Berlin and Toronto.
February 4, 2010
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New VC CAD algorithm reveals submucosal colon cancers
By Eric Barnes
A new computer-aided detection (CAD) algorithm goes beyond flat-polyp detection to find submucosally invading colorectal cancers with virtual colonoscopy. Researchers say the software offers an important alternative to traditional CAD feature classification that could improve the sensitivity of all VC studies.
February 3, 2010
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Preoperative CT may reduce negative appendectomies in women
By Eric Barnes
A 10-year review of more than 1,000 patients at a North Carolina hospital found that preoperative CT scans may reduce unnecessary surgeries in women of reproductive age with suspected acute appendicitis, according to an article published in the February issue of Radiology.
January 27, 2010
Colon stenting no barrier to virtual colonoscopy
By Eric Barnes
Flexible metallic stenting of the colon is common in patients treated for occlusive colorectal cancers. But conventional colonoscopy isn't a good way to follow up on these patients postoperatively, say Korean researchers.
January 26, 2010
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Experience counts when reading contrast ultrasound liver images
By Erik L. Ridley
Radiologists with experience reading contrast-enhanced ultrasound images have the upper hand over neophytes in characterizing malignant liver tumors, according to research published in the January issue of the Journal of Ultrasound in Medicine.
January 18, 2010
Ultrasound elastography characterizes fibrosis severity
By Erik L. Ridley
A Spanish research team has found that ultrasound elastography can reliably differentiate between rapid or slow fibrosis in liver transplant patients, paving the way for earlier identification of patients at risk of hepatitis C recurrence.
January 5, 2010
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