Advanced Visualization: Page 116

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

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

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

ContextVision signs OEM deal

By AuntMinnieEurope.com staff writers

Swedish image enhancement developer ContextVision has signed an agreement with an undisclosed OEM for its GOPView CT image enhancement software.

August 18, 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

Dexela launches breast imaging workstation, names chairman

By AuntMinnieEurope.com staff writers

Breast imaging developer Dexela has begun commercial shipments of its DexTop breast imaging workstation.

July 30, 2008

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

New algorithm sharpens coronary artery images

By Eric Barnes

Researchers at the recent Computer Assisted Radiology and Surgery (CARS) meeting in Barcelona, Spain, presented new work that aims to simplify the difficult task of evaluating coronary artery images.

July 13, 2008

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

Poor go through with colon screening less often

By AuntMinnieEurope.com staff writers

Despite the best intentions, many people don't follow through with screening exams even though they understand their value. The phenomenon can be more pronounced among those who are poor or in poor health, according to U.K. researchers.

June 29, 2008

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