In locales and cultures as far removed from one another as Ethiopia and Pennsylvania, trainee radiologists finely—and similarly—honed their technical skills in pediatric ultrasound after viewing brief web-based tutorials on image acquisition.

Mallinckrodt Pharmaceuticals announced Aug. 24 it has reached an agreement to sell its nuclear imaging business to IBA Molecular (IBAM) for $690 million.

Average-risk women with low breast density who get screened for breast cancer every three years share a trait in common with higher-risk women with high breast density who get screened every year. Both groups will maintain a similar or better balance of benefits and harms than average-risk women who get screened every other year.

Adding annual screening tomosynthesis to 2D mammography beginning at age 40 is cost-effective compared with 2D mammography alone, according to a study published online Aug. 23 in the American Journal of Roentgenology. 

Largely owing to the diagnostic prowess of ever-improving imaging technologies—mainly CT, ultrasound and MRI—more than 470,000 women and 90,000 men were overdiagnosed with thyroid cancer between 1987 and 2007 across 12 bellwether countries.