HHMI Bulletin | February 2006

If the thought of invasive medical procedures makes you queasy, HHMI investigator Owen N. Witte points out that “there’s a noninvasive trend in medical diagnosis—to measure things inside the body without having to stick tubes in a patient or do an operation.” Witte, a researcher at the University of California, Los Angeles, has recently furthered this trend, leading a team from three medical institutions to develop a noninvasive technique based on positron emission tomography (PET). The scientists captured three-dimensional views of one body component never before seen from the outside—the immune system.
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