Abdominal Imaging: Page 29

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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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
Antibody patterns differ in patients with and without colorectal cancer
By Reuters Health
NEW YORK (Reuters Health), Jan 8 - Symptomatic patients with and without colorectal cancer can be distinguished on the basis of antibody profiles, researchers in Ireland have found. Their results were reported in the January issue of Gut.
January 7, 2010
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Growth rate of small abdominal aortic aneurysms predicts need for intervention
By Reuters Health
NEW YORK (Reuters Health), Jan 7 - Only about half of small abdominal aortic aneurysms will increase in size, and those that grow less than 1.5 mm per year are seldom of clinical relevance, new research suggests.
January 6, 2010
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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
Outpatient colonoscopy safe; risk of complications low
By Reuters Health
NEW YORK (Reuters Health), Jan 1 - Outpatient colonoscopy is a safe procedure with a low risk of acute complications, according to an analysis of a large series performed in practices throughout Bavaria, Germany, in 2006.
December 31, 2009
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Colonoscopy does not reduce right-sided advanced neoplasms
By Reuters Health
NEW YORK (Reuters Health), Dec 31 - Colonoscopy is more protective against advanced neoplasms in the left colon and rectum than in the right colon, results of a German study indicate. The findings were reported in the January 20 Journal of the National Cancer Institute.
December 30, 2009
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Colorectal cancer screening participation is highest with immunochemical test
By Reuters Health
NEW YORK (Reuters Health), Dec 31 - More people participate in colorectal cancer screening with the immunochemical fecal occult blood test than with guaiac-based tests or sigmoidoscopy, Dutch researchers report in the January issue of Gut.
December 30, 2009
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VC CAD aids experts in detecting intermediate polyps
By Eric Barnes
Computer-aided detection (CAD) can improve the performance of experienced radiologists in detecting intermediate-sized (6- to 9-mm) polyps, but it doesn't help find larger lesions, said researchers from Italy in results presented at the RSNA meeting earlier this month.
December 27, 2009
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Lesion size and morphology at VC good predictors of histology
By Eric Barnes
Size and morphology are good predictors of whether a colorectal lesion harbors advanced histology and needs to be removed, according to a new multicenter study from Italy. The results suggest that polyps of the same size detected at virtual colonoscopy could be classified and managed differently based on their morphology.
December 21, 2009
CAD catches most flat polyps on virtual colonoscopy
By Eric Barnes
Computer-aided detection (CAD) is sensitive for all but the flattest of flat colorectal lesions, even in minimally prepped patients, according to a new study from Italy. Using CAD, radiologists significantly improved their ability to detect the elusive polyps, which can harbor precancerous lesions.
December 15, 2009
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