In Tough Diagnostics World, Will Ruling Out Cancer Be Good Business?

Xconomy - Quotes H. Gilbert Welch, professor of medicine, community and family medicine, and of the Dartmouth Institute for Health Policy and Clinical Practice, on new molecular "rule-out" tests, based on genomic or proteomic analysis, that can tell someone who has suspicious lung nodules if they don't have cancer and route them away from unnecessary procedures. "It's a great direction to move, and intellectually I can appreciate the effort," says Welch. "But the question is how well (do they) perform, and how do we decide whether the tests actually work?"