Gastrointestinal Radiology: Page 28

FAST recommended first for kids with blunt abdominal trauma
By Cynthia E. Keen
In many emergency departments, CT exams are the imaging study most frequently ordered for patients admitted with blunt abdominal trauma. However, pediatric surgeons and radiologists from Germany recommend that ultrasound combined with clinical assessment is just as effective, thus avoiding radiation exposure.
May 6, 2010
VC shows high diagnostic yield after failed colonoscopy
By Eric Barnes
Virtual colonoscopy finds significant pathology in patients referred after failed colonoscopy, according to a study presented at the Digestive Disease Week meeting in New Orleans. The results show the need for a complete colon exam and highlight VC's strengths in detecting extracolonic abnormalities.
May 5, 2010
Male smokers having CABG have high AAA prevalence
By Reuters Health
NEW YORK (Reuters Health), May 5 - Some men having coronary artery bypass graft (CABG) surgery -- especially smokers -- should also be screened for abdominal aortic aneurysms (AAA), even if they're younger than screening guideline thresholds, French researchers suggest.
May 4, 2010
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FDG-PET/CT detects recurrence of colorectal cancer
By Wayne Forrest
FDG-PET/CT has a "significant role" in characterizing suspected colorectal cancer recurrence at an early stage, according to a study presented by U.K. researchers at the American Roentgen Ray Society meeting this week in San Diego.
May 4, 2010
Flexible sigmoidoscopy of dubious value after VC
By Eric Barnes
The yield of additional pathological findings was quite low in a group of symptomatic patients who underwent flexible sigmoidoscopy after virtual colonoscopy screening, according to a poster presentation at this week's Digestive Disease Week meeting in New Orleans.
May 3, 2010
One-time sigmoidoscopy screening prevents colorectal cancer
By Reuters Health
NEW YORK (Reuters Health), Apr 28 - Flexible sigmoidoscopy reduces colorectal cancer incidence and mortality, British researchers reported online April 28 in the Lancet. Offered once to people ages 55 to 64, the procedure lowered the incidence of colorectal cancers by as much as one-third and cancer-specific mortality by up to 43%.
April 27, 2010
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3T MRA protocol has value but falls short in abdominal vasculature
By Wayne Forrest
A time-resolved 3-tesla MR angiography (MRA) technique that uses less contrast dose than conventional high-resolution MRI has some advantages in the abdominal aorta, but its lower signal-to-noise ratio means it probably won't supplant conventional MRA, according to a study in the May Academic Radiology.
April 18, 2010
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Small colon polyps on VC suggest presence of larger lesions
By Eric Barnes
Individuals with several diminutive colon polyps on virtual colonoscopy studies are far more likely than other screening subjects to also have a larger colorectal lesion, say researchers from the University of Munich in Germany.
April 15, 2010
Computer analysis bolsters liver elastography performance
By Erik L. Ridley
Computer-enhanced dynamic analysis of ultrasound elastography movies is a useful and reliable method for depicting liver hardness, yielding a high level of interreader agreement, according to research published April 14 in the World Journal of Gastroenterology.
April 13, 2010
CT shows abdominal fat is unreliable Crohn's treatment target
By Eric Barnes
A few reports have associated abdominal visceral fat with more aggressive forms of Crohn's disease, but the strength of the association -- and the implications for treatment -- remain unclear. Researchers from Ireland decided to try CT to resolve the issue.
April 13, 2010
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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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Blood infection risk extremely low with VC
By Eric Barnes
The risk of bloodstream infections such as bacteremia leading to endocarditis is extremely low in virtual colonoscopy -- in fact, infection rates are probably even lower than in conventional colonoscopy, say researchers from Ireland, the U.K., and the U.S.
March 30, 2010
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