Gastrointestinal Radiology: Page 85

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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NIH urges new efforts to increase colorectal cancer screening
By Eric Barnes
Colorectal cancer screening rates in the U.S. are finally on the rise, reaching more than half of the eligible screening population. But real progress on expanding access will depend on "utilizing the full range of screening options and evidence-based interventions," according to a draft statement released today by the National Institutes of Health (NIH).
February 3, 2010
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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VC screening effective in Medicare-age screening cohort
By Eric Barnes
Virtual colonoscopy is effective in older screening subjects and does not result in a high rate of referral to invasive colonoscopy, according to a new study published in the February issue of Radiology. The researchers said their study indicates that VC screening could be valuable for the Medicare population.
January 26, 2010
Medicare coverage spurs 41% growth in colorectal cancer PET use
By Wayne Forrest
A decision by the U.S. Centers for Medicare and Medicaid Services to approve payment for FDG-PET scans for colorectal cancer patients led to 41% growth in use of the modality at one hospital, according to a study in the February issue of Radiology.
January 25, 2010
IsoRay touts cesium-131 colorectal treatment
By AuntMinnie.com staff writers
Doctors at Weill Cornell Medical Center in October performed a cesium-131 implant for the treatment of colorectal cancer, according to medical isotope developer IsoRay Medical.
January 20, 2010
NIH issues $2.7M grant on VC screening
By AuntMinnie.com staff writers
A $2.7 million grant from the U.S. National Institutes of Health (NIH) to the University of Wisconsin will assess whether adopting virtual colonoscopy results in larger numbers of individuals being screened for colorectal cancer.
January 18, 2010
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
Study reveals lesions most likely to be dismissed by VC CAD
By Eric Barnes
Why do radiologists dismiss true-positive computer-aided detection (CAD) marks at virtual colonoscopy? Are there particular exam or polyp characteristics that lead to incorrect dismissals of CAD marks by radiologists? Researchers from London were eager to find out.
January 13, 2010
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Colonoscopy surveillance barely lowers CRC rates
By Eric Barnes
Despite frequent colonoscopic surveillance, patients whose advanced adenomas had been removed had higher-than-expected rates of colorectal cancer (CRC) at follow-up, according to a new surveillance study that followed patients for more than four years after polypectomy.
January 7, 2010
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