- merger, acquisition, money, handshake

Merge Healthcare has announced that it has acquired DR Systems, the San Diego-based PACS vendor, in a deal worth $70 million.

 - grade

Standards for the appropriate use of medical imaging on patients complaining of low back pain in the emergency department (ED) are being followed successfully, at least at one high ranking institution, according to a study published online in the Journal of the American College of Radiology.

 - children

Adding white blood cell count and polymorphonuclear leukocyte differential to already existing ultrasound screening technology improves predictive diagnosis of appendicitis in children, according to a study published online Jan. 31 in the Journal of the American College of Surgeons.

 - Breast screening

Providing women with more comprehensive information about overdiagnosis as it relates to mammography screening can help them make an informed choice, which might mean a decision to forgo screening altogether, according to an Australian study published online Feb. 18 in The Lancet.

 - guidelines, directions, advice

Imaging appropriate use criteria (AUC) should reduce the number of less-appropriate tests, however, researchers have found that in some cases, the gray area may hold greater sway in how frequently rarely appropriate tests are performed.