Gastrointestinal Radiology: Page 36

Screening rules may miss cancer in people with IBD
By Reuters Health
NEW YORK (Reuters Health), Sep 5 - The diagnosis of colorectal cancer will be delayed or missed in a substantial number of people who suffer from inflammatory bowel disease (IBD) if surveillance colonoscopy is conducted strictly according to official guidelines, investigators from the Netherlands warn.
September 4, 2008
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Prostate irradiation raises long-term risk of colon cancer
By Reuters Health
NEW YORK (Reuters Health), Sep 4 - Data from the Geneva Cancer Registry show an increased long-term risk of colon cancer after external radiation therapy for prostate cancer. Researchers analyzed data on 1,134 men diagnosed with prostate cancer between 1980 and 1998.
September 3, 2008
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Automated polyp measurement supports risk assessment
By Eric Barnes
Automated polyp-measurement software performed as well as human readers in a study that could lead to more efficient screening with virtual colonoscopy. The study sought to evaluate the accuracy of an automated polyp size measurement tool and its effectiveness for risk stratification in 305 subjects.
August 25, 2008
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ROI changes colorectal tumor perfusion measurements
By Eric Barnes
The development of automated perfusion-mapping software for CT data has opened up intriguing possibilities for the assessment of tumor vascularity, specifically for monitoring response to antiangiogenic drug treatment. But where, precisely, to measure tumor vascularity is a question that had not been addressed, according to U.K. researchers.
August 25, 2008
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Agfa integrates Barco 3D software
By AuntMinnieEurope.com staff writers
Image display and advanced visualization firm Barco said that a new version of its Voxar 3D advanced visualization software has been integated into Agfa HealthCare's Impax PACS software.
August 18, 2008
Tibolone prevents fractures and breast cancer, but raises risk of stroke
By Reuters Health
NEW YORK (Reuters Health), Aug 14 - Tibolone reduced the risk of vertebral and nonvertebral fractures and the rate of breast and colon cancers but increased the risk of stroke in postmenopausal women with osteoporosis enrolled in the Long-Term Intervention on Fractures with Tibolone (LIFT) trial.
August 13, 2008
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PACS data-mining tool analyzes CR retake rates
By Brian Casey
Researchers from Spain have developed software that analyzes PACS data to automatically perform quality control analysis of retake rates of computed radiography studies. They believe their QC tool could make it easier for imaging facilities to reduce retakes and improve the overall quality of service.
August 4, 2008
Image tools cut false positives in unprepped VC
By Eric Barnes
Aiming to optimize the results of prepless vitual colonoscopy, researchers have developed a pair of tools to process unprepped CT data and make it easier to read. According to the results of a pilot study, the methods reduced false positives by as much as one-third.
August 3, 2008
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Italian colon study to use CAD as primary reader
By AuntMinnieEurope.com staff writers
A province in Italy is launching a new research project to screen residents for colon cancer using virtual colonoscopy and computer-aided detection software as a primary reader.
July 28, 2008
FOBT-screened cohort yields too many positives for VC
By Eric Barnes
Virtual colonoscopy (VC) seems a promising way to sort through patients with a positive fecal occult blood test (FOBT), considering the latter's demonstrated low sensitivity and high false-positive rate. But in a screening cohort from the Netherlands, polyps and cancer were so common in FOBT patients that VC hardly seemed worth it.
July 27, 2008
Higher VC laxative dose burdens patients, doesn't improve reads
By Eric Barnes
Researchers from the Netherlands report that higher levels of catharsis conferred neither better image quality nor improvement of tagging characteristics on image data, compared to images from subjects given lower laxative doses.
July 15, 2008
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Capsule endoscopy image quality not improved with oral bowel prep
By Reuters Health
NEW YORK (Reuters Health), Jul 9 - In patients with obscure GI bleeding undergoing exploration of the small bowel by capsule endoscopy, image quality is not improved by bowel preparation with oral sodium phosphate (NaP) rather than fasting, study results indicate.
July 8, 2008
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