18F-fluoroestradiol (FES) PET can assess the in vivo pharmacodynamics of estrogen receptor (ER)-targeted agents and may give insight into the activity of established therapeutic agents, according to a study in the August issue of Clinical Cancer Research.

The American College of Cardiologys (ACC) PINNACLE Network and Paragon Health are teaming up this fall to offer a six-part webinar series focused on "Advancing the Business of Cardiovascular (CV) Care."

The percentage of patients with appendicitis who underwent a CT in the emergency department (ED) climbed from 6.3 percent among adults in 1996 to 69 percent in 2006 and from 0 percent among children to 59.8 percent in the same interval, according to a study published in the August issue of Annals of Emergency Medicine.

A pair of editorials in the September issue of Radiology tackled the tough topic of breast cancer overdiagnosis by screening mammography. On one side, breast imagers argued that claims of overdiagnosis are inflated. On the other, a group of researchers suggested that screening mammography has a minor effect on mortality and breast imaging may cause more harm than benefit.

Medtronic has received CE mark approval for its 31 mm Medtronic CoreValve system, a transcatheter aortic valve.

Positron, a molecular imaging company specializing in nuclear cardiology, has relocated its PosiRx manufacturing, product research and development facility. The new office is approximately three miles from its current Fishers, Ind., location.

Avinger has received FDA clearance to market its Wildcat catheter for crossing chronic total occlusions (CTOs) to help treat peripheral artery disease (PAD).

A pair of visual ultrasound markers may help physicians better determine which patients with asymptomatic carotid stenosis face a higher stroke risk, and better determine which patients might benefit from carotid endarterectomy (CEA), according to a study published online Aug. 17 in Neurology.