Gastrointestinal Radiology: Page 133

Prepless VC yields high sensitivity in average-risk subjects
By Eric Barnes
Virtual colonoscopy researchers in Italy have steered a tough combination of study constraints all the way to a successful outcome. Beginning with a prepless exam and ultralow-dose CT protocol, the group produced high sensitivity and a high negative predictive value for VC in an average-risk asymptomatic patient population.
June 9, 2005
2005 06 06 10 11 28 706
3D topological thinning improves colon centerline tracking in VC
By Eric Barnes
In a new study, researchers from Dublin City University in Ireland solved the problem of computational overload in a common task required of software for 3D endoluminal views of the colon. They found that automated colon centerlines can be calculated much faster with the use of a lookup table in the topological data thinning algorithm.
June 7, 2005
2005 06 07 15 43 50 706
VC CAD shows progress toward clinical use
By Brian Casey
ORLANDO, FL - Computer-aided detection programs originally made their mark in mammography, and are expanding into new applications like chest imaging. Virtual colonoscopy CAD is another promising application that could help radiologists detect more cancers and adenomatous polyps, according to a presentation at this week's Society for Computer Applications in Radiology (SCAR) meeting.
June 2, 2005
FDA OKs expanded use for Kinevac
By AuntMinnie.com staff writers
Bracco Diagnostics has received approval from the Food and Drug Administration to implement a labeling change to Kinevac (sincalide for injection) for all imaging modalities.
May 31, 2005
Midwest weighs incremental Medicare gain for VC
By Eric Barnes
Considering the dim prospects for quick action on a U.S. Centers for Medicare and Medicaid Services national coverage decision that would cover virtual colonoscopy as a cancer screening option, the efforts of a few local carriers represent progress of a sort for virtual colonoscopy.
May 25, 2005
VC, colonoscopy not optimal in patients with diverticular disease
By Eric Barnes
In a newly published study, Dr. Marc Gollub and colleagues from the Memorial Sloan-Kettering Cancer Center in New York City confirm that elastin deposition associated with diverticular disease narrows the colonic lumen significantly, and also confounds virtual colonoscopy evaluation.
May 24, 2005
2005 05 24 13 44 15 706
Humana revises capsule endoscopy policy
By AuntMinnie.com staff writers
Video-capsule manufacturer Given Imaging reported that U.S. healthcare insurance provider Humana has revised its capsule endoscopy reimbursement policy covering capsule endoscopy for the initial diagnosis of patients with suspected Crohn's disease following inconclusive small-bowel follow-through.
May 18, 2005
MRI after CT cuts need for liver biopsies in cancer patients
By Tracie L. Thompson
NEW ORLEANS - The number of liver lesions detected by MDCT presents a challenge for patient management, especially when the patient already has a primary malignancy. But MRI can significantly reduce the number that might otherwise be headed for biopsy, according to a study presented at the American Roentgen Ray Society (ARRS) meeting.
May 18, 2005
CAD struggles through tagged, subtracted VC data
By Eric Barnes
Radiologists would love to see a virtual colonoscopy exam so easy it doesn't even need a bowel prep. But to pull it off, they'll need a CAD algorithm that doesn't need a bowel prep either. Researchers from Boston's Massachusetts General Hospital take tentative steps toward an easier VC protocol.
May 17, 2005
Abdominal ultrasound aids dengue fever diagnosis
By N. Shivapriya
Ultrasound of the abdomen can help diagnose dengue fever, and in the event of a dengue epidemic, the ultrasound features of thickened gallbladder wall, pleural effusion, and ascites should strongly favor diagnosis of the condition, according to researchers from India.
May 16, 2005
Concentrated contrast improves liver lesion conspicuity
By Eric Barnes
New concentrated contrast agents not only improve enhancement of focal liver lesions, they could make imaging safer by reducing contrast volume and flow rates, researchers in France and Germany have concluded.
May 15, 2005
2005 05 20 09 55 45 706
Louisville joins SmartPill trials
By AuntMinnie.com staff writers
SmartPill of Buffalo, NY, reported that clinical trials of its SmartPill capsule will begin this month at the University of Louisville in Louisville, KY, bringing to five the number of sites participating in the company's clinical trials.
May 12, 2005
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