CT Scanning News and Research

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Researchers launch lung cancer screening trial

Scientists are testing a new way of detecting lung cancer at an early stage in people at greatest risk of developing the disease.

9 May 2008

New 3-D ultrasound provides clear images of the major arteries within the brain

Using 3-D ultrasound technology they designed, Duke University bioengineers can compensate for the thickness and unevenness of the skull to see in real-time the arteries within the brain that most often clog up and cause strokes.

24 Apr 2008

Calcium deposits in coronary arteries provide a strong predictor for possible future heart problems

Calcium deposits in coronary arteries provide a strong predictor for possible future heart attacks and cardiac diseases, and detecting such deposits can be valuable for promoting overall cardiac health, according to a study led by the University of California, Irvine and appearing in the March 28 issue of the New England Journal of Medicine.

28 Mar 2008

Researchers make colorectal screening a little easier

Colon cancer screening is a tough sell. It's icky, uncomfortable and the thought of a colonoscopy, especially the prep, can be intimidating, to say the least.

25 Mar 2008

Management of esophageal perforation

Management of ingested foreign bodies is a common clinical encounter.

19 Mar 2008

Scans spot hidden tumors in Li-Fraumeni syndrome

Researchers at Dana-Farber Cancer Institute report that full-body PET/CT scanning detected unsuspected, treatable tumors in 3 of 15 patients with Li-Fraumeni syndrome (LFS), a rare genetic cancer syndrome for which no screening tests have been recommended.

19 Mar 2008

Researchers find benefit for lymphoma patients in combined PET-CT scanning

Combined positron emission tomography (PET) and computed tomography (CT) imaging of lymphoma patients is a more effective method to evaluate response to radiation therapy, and may help patients avoid unnecessary follow-up treatments, a study by researchers at the University of Southern California (USC) suggests.

13 Mar 2008

Warnings over DIY health tests

Leading health experts in Britain have expressed their concern about the boom in tests and scans for the "worried well".

12 Mar 2008

Novel imaging technique provides comprehensive diagnosis of heart disease

In the current issue of the journal Circulation, a research team from the Medical University of South Carolina's (MUSC) Heart & Vascular Center report their initial experience with a novel imaging technique that enables comprehensive diagnosis of heart disease based on a single computerized tomographic (CT) scan.

6 Mar 2008

Unusual case of upper obstructive syndrome

Aorto-duodenal fistulae (ADF) are the most frequent aorto-enteric fistulae (80%) and the most frequent presenting sign of ADF is upper gastrointestinal bleeding (UGI).

25 Feb 2008

CT scan can harm kidneys, but cheap drug can help

As more and more Americans undergo CT scans and other medical imaging scans involving intense X-rays, a new study suggests that many of them should take a pre-scan drug that could protect their kidneys from damage.

20 Feb 2008

Appropriate timing in the use of breast shields in children can further reduce MDCT radiation dose

Using breast shields during pediatric chest MDCT reduces radiation dose and minimally increases image noise, according to a recent study conducted by researchers at Duke University Medical Center in Durham, NC and the University of Arkansas for Medical Sciences and Arkansas Children's Hospital in Little Rock.

13 Feb 2008

Lymphangioleiomyomatosis - potential clues into the treatment and diagnosis

Studies published in the Jan. 10 edition of the New England Journal of Medicine (NEJM) are providing clues into the treatment and diagnosis of LAM, or lymphangioleiomyomatosis, a progressive and deadly lung disease that affects women in their childbearing years.

11 Jan 2008

Stop whole body scans says committee on radiation risk

An advisory committee to the British government has called for private health clinics to immediately stop offering whole body scans to the "worried well", because they carry too great a radiation risk.

20 Dec 2007

Safer, more accurate, and more effective radiation therapy for pregnant women

Developing fetuses are extremely sensitive to radiation, which poses an impossible dilemma for expecting mothers in need of screening or treatment for cancer.

20 Dec 2007

War veterans with brain injuries show a faster decline in cognitive functioning as they age

A study of Vietnam war veterans who suffered brain injuries during the conflict has found that the men show a faster decline in their cognitive functioning as they grow older than veterans without such injuries.

20 Dec 2007

Calcium in coronary arteries may be linked to increased risk for heart disease in low-risk women

About 5 percent of women considered low-risk for heart disease by current classification standards have evidence of advanced coronary artery calcium and may be at increased risk for cardiovascular events, according to a report in the December 10/24 issue of Archives of Internal Medicine.

10 Dec 2007

Potential blood test to detect lung cancer

A test for four blood proteins may provide a less-invasive follow-up for patients who have suspicious lesions on chest radiographs or computerized tomography (CT) scans, according to a new study led by Duke University Medical Center researchers.

10 Dec 2007

Hazards of CT scans overstated

Concerns over possible radiation effects of CT scans detailed in a report yesterday in the New England Journal of Medicine should not scare people away from getting medically needed CT scans, as the scans play a critical role in saving the lives of thousands of people every day, according to an official with the American Association of Physicists in Medicine (AAPM).

2 Dec 2007