
Magnetic resonance imaging offered a 29 percent higher sensitivity than CT for differentiating liver metastases, but CT provided 12 percent higher sensitivity than MRI for assessing vascular invasion, according to a new 40-study meta-analysis.
Ultrasound contrast agent Optison has been cleared for sale in the European Union. Amersham Health will begin marketing the echocardiography agent this month. The company obtained comarketing rights to the product from Mallinckrodt in
Ultrasound contrast agent Optison has been cleared for sale in the European Union. Amersham Health will begin marketing the echocardiography agent this month. The company obtained comarketing rights to the product from Mallinckrodt in 2000.





