Don Rauf


Report from ASCO: Studies reveal pros and cons of breast MRI

October 06, 2008

MRI’s changing status as an instrument for breast cancer diagnosis and evaluation was apparent last month at the 2008 American Society of Clinical Oncology meeting. One study suggested that MR’s growing popularity for treatment planning may had led to more mastectomies, and another trial added to growing evidence about its ability to identify metastatic lymph nodes.

CTA beats MRA, ultrasound for early evaluation of peripheral arterial disease

August 07, 2008

Multislice CT angiography should be the preferred choice over MR angiography or duplex ultrasound for initial evaluation of patients with suspected peripheral arterial disease.

Whole-body PET/CT and 3T MR perform equally well for lung cancer staging

July 31, 2008

No clear winner has emerged in a head-to-head comparison of whole-body FDG-PET/CT and whole-body 3T MRI for non-small cell lung cancer staging. Unenhanced PET/CT proved better for detecting metastatic lymph nodes and soft-tissue involvement, while MR was more sensitive to the presence of brain and liver metastases.

SPECT identifies possible basis of social anxiety disorder

June 05, 2008

A physiological reason may explain why the shrinking violet in your family is so shy. Using brain SPECT, Dutch researchers have detected irregularities in dopamine and serotonin neurotransmitter systems in the brains of such individuals that appear to be linked to social anxiety disorder, a condition that affects an estimated 15 million adults in the U.S. and frequently leads to alcoholism and depression.