Multigland parathyroidism reduces accuracy of lesion detection
Standard nuclear scintigraphy of parathyroid cancer produces enough false positives for patients with multigland disease to lead researchers to recommend rapid intraoperative parathyroid hormone assay along with preoperative technetium-99m sestamibi imaging to assure that all lesions have been removed.
Bone marrow lesions, female sex, predict knee osteoarthritis progression
Knee osteoarthritis progression can be predicted by MRI findings of medial collateral ligament edema, bone marrow lesions, and being female, according to a study presented at the RSNA meeting Thursday morning.
Toshiba unveils wide-bore 3T MR scanner
December 4th 2009Toshiba laid the groundwork for entering the 3T marketplace in the U.S. with the unveiling of its Vantage Titan 3T system at RSNA 2009. The work-in-progress, which is pending FDA clearance, leapfrogs earlier generations of 3T scanners with a 71-cm tapered aperture and Pianissimo noise reduction technology.
Advanced MRI reveals damage in brains of retired NFL football players
The brains of 16 retired National Football League players with known cognitive impairment show signs of damaging atrophy, according to advanced MRI studies described Wednesday at the 2009 RSNA annual meeting.
Technology, physiology streamline cardiac CTA contrast dose
Increasing CT scanning speeds and image resolution combined with automated injection and optimized protocols tailored to specific patient features could reduce iodinated contrast media needed for coronary CT angiography by at least half, according to several papers presented at the 2009 RSNA meeting.
GE brings its first wide-bore 1.5T MR scanner to RSNA 2009
December 3rd 2009A high-field, wide-bore MR scanner from GE Healthcare is making its first appearance at an RSNA meeting. The system, called Optima MR450w, was officially unveiled some three months ago, but RSNA 2009 is its first major trade show.
Mammo image enhancer firm aims for OEMs
December 3rd 2009RSNA newbie Real-Time Tomography launched at this year’s meeting a new image processing and enhancement software library for digital mammography. But the product, dubbed Adara, will not be sold to providers, at least not directly. Real-Time Tomography came to Chicago with hopes of attracting original equipment manufacturers to its library.
High coronary calcium scores up the risk of coronary events
Adding coronary calcium to the assessment of conventional cardiovascular risk factors leads to substantial improvement in cardiovascular risk classification of asymptomatic men and women, according to a study presented at the RSNA on Wednesday afternoon.