Greg Colip had a comfortable life as a Houston attorney specializing in the oil-and-gas industry. He never thought he'd become an expert in cancer screening. That changed when a friend arranged a quick chat with Jerry Bryant, a local scientist, in a hotel lobby. That led to the creation of Cell>Point, a company that plans to deliver a cheaper and more effective way to detect tumors in 2010.

Cell>Point "could have a very nice role to play in monitoring therapy," says Michael O'Connor, professor of radiologic physics at the Mayo Clinic in Rochester, Minn., where a clinical trial of the isotope is under way on lung cancer patients. Four other cancer centers, including Johns Hopkins in Baltimore and Montefiore Medical Center in New York City, are doing similar testing. And to fund the costly FDA approval process, Cell>Point has raised $33 million from small investors -- mostly doctors

CNN Money by Jennifer Alsever, 11/30/09

Tags: Cancer, cancer scan, Cell>Point, Radiology