Thoracic Imaging: Page 177

CT measures post-transplant bronchiolitis obliterans severity

Canadian researchers are using CT to assess the severity of bronchiolitis obliterans syndrome (BOS), the most common cause of late death among lung transplant patients. In preliminary experiments, CT attenuation data corresponded to disease severity, and a related study found that high-resolution MDCT beat conventional high-resolution CT (HRCT) in detecting and characterizing BOS.

March 13, 2006

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A checklist: Good for grocery shopping, but not for reading chest x-rays

By Shalmali Pal

The term satisfaction of search (SOS) refers to a lesion that is missed after another lesion is found within the same image. In an x-ray experiment, SOS occurs when an abnormality was missed in the presence of an added abnormality, but not in its absence. Researchers from Iowa studied the use of a formatted checklist to see if it could reduce SOS errors in chest radiography.

March 12, 2006

CAD boosts performance of residents for assessing pulmonary nodules

By Erik L. Ridley

Computer-aided detection (CAD) offers improvements in the diagnostic performance of radiology residents in assessing the malignancy of pulmonary nodules from thin-section helical CT scans, but does not provide the same gains for board-certified radiologists, according to research published online before print in Radiology.

March 12, 2006

Low lung cancer detection rate seen in Dutch/Belgian study

VIENNA - Preliminary findings from an ongoing European multicenter CT screening trial of smokers and former smokers demonstrate a lower rate of lung cancer detection compared to other large studies, even though baseline results were positive in nearly a fifth of the patients screened.

March 2, 2006

Dual-energy subtraction x-ray offers powerful tool for depicting thoracic abnormalities

By Shalmali Pal

Dual-energy subtraction chest x-ray edges out conventional imaging because of its ability to detect calcification within a pulmonary nodule. But this technique has its limitations, according to a group from the University of Wisconsin Medical School, Hospital and Clinics in Madison.

February 23, 2006

Medicsight partners for Japanese clinical studies

By AuntMinnie.com staff writers

Computer-aided detection (CAD) developer Medicsight of London said that it will initiate eight Japanese clinical studies jointly sponsored by the Japan National Cancer Center.

January 23, 2006

Riverain nets Novation contract

By AuntMinnie.com staff writers

Computer-aided detection (CAD) developer Riverain Medical has signed a multiyear purchasing agreement with group purchasing organization Novation.

January 19, 2006

Trimming CT dose decreases lung CAD performance

By Erik L. Ridley

The lower the CT dose, the lower the performance of computer-aided detection (CAD) systems in detecting lung nodules, according to researchers from Samsung Medical Center (SMC) in Seoul, South Korea.

January 11, 2006

I-ELCAP data suggest need to work up secondary lung lesions

Lung cancer screening data from the I-ELCAP trial suggest that patients with secondary tumors might benefit from more aggressive management, and that metastases, at least in the predominant non-small cell lung cancers, may be less common than previously thought. The data also suggest that revisions in the current staging criteria may help save lives.

January 8, 2006

Familial links may improve patient selection for lung cancer screening

The past decade has seen substantial growth in lung cancer screening, which has benefited from government funding and improvements in MDCT technology and CAD software. But studies suggest that improvements in mortality may come at a high cost. New research, however, offers hope for lowering screening costs through better selection of the screening population based on genetics and familial linkage.

January 1, 2006

Chest x-ray after thoracentesis adds little new information

By Shalmali Pal

U.K. clinicians have determined that routine chest x-ray after thoracentesis is not necessary. They conducted a retrospective case study on the diagnostic utility of radiographs after this fluid-removing surgical procedure.

December 25, 2005

Riverain inks MedAssets deal

By AuntMinnie.com staff writers

Computer-aided detection (CAD) developer Riverain Medical of Miamisburg, OH, has signed a multiyear purchasing agreement with group purchasing organization MedAssets Supply Chain Systems of Atlanta.

December 22, 2005

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