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Defensive medicine leads to overuse of CT scans

Computed Tomography (CT) scans are an increasingly used X-ray-based tool for providing a three-dimensional view of a particular organ or tissue.

29 Nov 2007

The health risk posed by excessive CT scans

Scientists in the United States have expressed concern about the number of computed tomography or CT scans now being performed.

29 Nov 2007

Unprecedented increase in the use of radiologic exams on pregnant women

The past decade has seen an unprecedented increase in the use of radiologic exams on pregnant women, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).

27 Nov 2007

Cryoablation for bone cancer tumors reduces pain, study shows

Cryoablation, a procedure most commonly associated with destroying kidney and prostate tumors by freezing them, has been shown to offer durable pain relief of cancer that has spread to bone.

27 Nov 2007

Gastric bypass complications

Obese patients who suffer complications after gastric bypass surgery may face further health risks because their weight exceeds the limits of diagnostic imaging equipment, according to a study presented at the annual meeting of the Radiological Society of North America (RSNA).

27 Nov 2007

Pregnant women may be having too many high-tech scans

A new study has found that pregnant women are having more high-tech imaging examinations and are thereby exposing their babies to higher doses of radiation than a decade ago.

27 Nov 2007

Computed tomography angiography accurate in detecting coronary artery disease

Computed tomography (CT) angiography is as accurate as an invasive angiogram in detecting coronary artery disease, according to the findings of the first two prospective multicenter 64-slice scanner trials presented today at the annual meeting of the Radiological Society of North America (RSNA).

27 Nov 2007

Transcranial magnetic stimulation for depression

For the first time in a large-scale study, transcranial magnetic stimulation has been shown to be an effective, non-drug treatment for major depression.

21 Nov 2007

Potential link between congenital heart anomaly and migraines

Interventional cardiologists at Rush University Medical Centerare investigating whether a heart procedure may be the key to relieving migraines in patients with severe headaches.

21 Nov 2007

How can we know early who will benefit from tumor target therapy?

The precise tailoring of tumor target treatment for patients with cancer is an unmet challenge.

21 Nov 2007

Whole-body positron emission tomography can reassure cervical cancer patients

Whole-body PET (positron emission tomography) scans done three months after completion of cervical cancer therapy can ensure that patients are disease-free or warn that further interventions are needed, according to a study at Washington University School of Medicine in St. Louis.

21 Nov 2007

FDA clears Veridex test for the monitoring of metastatic colorectal cancer

Veridex, LLC has announced that the U.S. Food and Drug Administration (FDA) has granted an expanded clearance for the CellSearch System to be used as an aid in the monitoring of metastatic colorectal cancer.

21 Nov 2007

New guideline for how to treat a person's first unprovoked seizure

A guideline developed by the American Academy of Neurology recommends a routine electroencephalogram (EEG) and brain scans be considered when diagnosing and treating adults who experience their first unprovoked seizure.

19 Nov 2007

New device delivers radiation therapy to specific tumor sites

Physicians at the Rebecca and John Moores UCSD Cancer Center will present the initial outcomes of their use of a new device that delivers radiation therapy to a specific tumor site at the annual meeting of the Radiological Society of North America (RSNA), November 25-30, 2007, in Chicago, Illinois.

19 Nov 2007

Increase in eating disorder symptoms among ethnic groups

Eating disorders in the U.S. among ethnic groups were thought to be rare, but recent studies have shown that many cultures are now exposed to the thin beauty ideal.

19 Nov 2007

CT colonography used in elderly patients detects a high number of abnormalities outside the colon

CT colonography (CTC), when used in elderly patients, can detect a high number of new and significant abnormalities outside the colon (including cirrhosis and tumors) and is well tolerated, according to a recent study conducted by researchers at St. James's University Hospital in Leeds, United Kingdom (UK).

16 Nov 2007

PET scans useful for some cancer treatment, but how do patients fare?

Positron emission tomography or PET scans can help clinicians diagnose and treat some cancers, but it is not clear yet whether the imaging technology helps people with cancer live longer and healthier lives, according to a comprehensive review by the U.K. National Health Service.

14 Nov 2007

Lung cancer treatment leads to Irish honour

A new scanning technique to improve radiotherapy treatment of lung cancer has been developed by a team led by Dr Gerry Hanna, and Dr Alan Hounsell, from Queen’s University.

13 Nov 2007

Effects of weight gain and subsequent weight loss on endothelial function

When lean healthy young adults gained about 9 pounds, the functioning of their blood vessel lining became impaired -- but shedding the weight restored proper functioning, according to a Mayo Clinic research report.

6 Nov 2007

64-slice CT scans a good test for clogged arteries

A study by an international team of cardiac imaging specialists, led by researchers at Johns Hopkins, concludes that sophisticated computed tomography (CT) scans of the heart and its surrounding arteries are almost as reliable and accurate as more invasive procedures to check for blockages.

6 Nov 2007