Physics – Medical Physics
Scientific paper
Apr 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006apsp.conf..692c&link_type=abstract
ASTROPARTICLE, PARTICLE AND SPACE PHYSICS, DETECTORS AND MEDICAL PHYSICS APPLICATIONS . Proceedings of the 9th Conference . Held
Physics
Medical Physics
Scientific paper
Current PET technology, which detects cancer indirectly by measuring the size of tumors, is contrasted with a new technology that emphasizes measuring directly the abnormal metabolic activity characteristic of the very first cancerous cells by improving the efficiency of the medical imaging device hundreds of times. Rather than maximizing spatial resolution, this approach minimizes the abnormal metabolic threshold needed for early cancer diagnosis. A redesigned detector assembly takes full advantage of innovations in electronics to implement real-time algorithms that allow the use of economical crystal detectors. The tradeoffs inherent in choosing components, such as crystals, sensors, and electronics, for achieving the largest reduction in cancer deaths is discussed and justified. Theoretical calculations and prototype data are provided in references that demonstrate that all this can be achieved at a significantly lower radiation dosage and per exam cost to the patient.
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