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To: gao seng who wrote (3460)	6/7/1999 8:48:00 PM
From: gao seng	Respond to of 4122

Study: PET better at finding cancer United Press International - June 07, 1999 18:37 Jump to first matched term LOS ANGELES, June 7 (UPI) - Dozens of researchers confirm a relatively new imaging device is much more accurate for detecting cancers than the more commonly used CAT scan. Papers presented today at the annual meeting of the Society of Nuclear Medicine in Los Angeles showed PET, or positron emission tomography, was 96 percent accurate in detecting tumors, compared to 64 percent with CAT, or computerized axial tomography. The PET provided additional information a CAT could not provide, resulting in treatment changes for 13 percent of patients. Using PET to determine recurrent colorectal cancer detected additional tumors in 82 percent of patients, forcing physicians to alter treatment 64 percent of the time. With patients suffering recurrent head and neck cancer, 69 percent of the cases were detected by PET. Dr. Edward Coleman, professor of radiology at Duke University, said at a news conference, ''PET is now having a major impact in the way that we take care of patients.'' He said in addition to detecting cancers, PET also has been shown to be ''very accurate'' in determining Alzheimer's disease and detecting the type of heart attack patients suffer. Coleman said the research showed PET allows physicians to determine where a cancer is and whether a lesion is cancerous, allowing doctors to avoid surgery in many cases and forgo costly diagnosis procedures and treatment in others. Medicare patients with certain types of lung cancers have received coverage for PET since the beginning of 1999 and starting July 1 the program will reimburse health care providers for using PET scans to detect colorectal cancer, to determine the stage of lymphoma and to evaluate whether a patient has recurrent melanoma. Even without Medicare coverage, Coleman said, the number of patients receiving PET scans has grown from 25,000 in 1996 to 50,000 last year. With additional Medicare coverage far more usage is expected. An added incentive, he said, is that PET scans are proving to be cost effective. Although PET was developed 25 years ago as a research tool, its ability to determine the amount of glucose metabolism in the body and show precisely where it is has aided in its transfer to a clinical tool. Only about 50 PET scan machines were in medical centers two years ago, Coleman said, and now about 300 centers have them.

To: gao seng who wrote (3460)	6/7/1999 8:49:00 PM
From: gao seng	Read Replies (1) \| Respond to of 4122

DISCOVER Magazine Announces Nine Winners of the DISCOVER Awards for Technological Innovations PR Newswire - June 07, 1999 06:15 Jump to first matched term NEW YORK, June 7 /PRNewswire/ -- Nine technologies that promise to have a revolutionary impact on society have been selected as winners in the Tenth Annual DISCOVER Magazine Awards for Technological Innovation. The DISCOVER Awards for Technological Innovation honor the men and women whose creative genius improves the quality of our everyday life and alerts us to what's next from the frontiers of human achievement and ingenuity. -- Balu Balakrishnan of Power Integrations received the award for his innovation in the Environment category. His TinySwitch, which stops the flow of electricity to household appliances when they are not being used, could lead to big savings. -- Bill Joy of Sun Microsystems received the award for his innovation in the Interaction category for Jini, a software package that lets electronic devices talk to each other. -- Cees Dekker of the Delft University of Technology received the award for his innovation in the Emerging Technology category. His Single Molecule Transistor performs the same tasks as circuits in an ordinary microchip but does so in a fraction of the space. -- Daniel Cohn of MIT received the award for his innovation in the Transportation category. His Microplasmatron converts gasoline into hydrogen so that automobile engines run much cleaner. -- James Fujimoto of MIT received the award for his innovation in the Medical Diagnostics category. He developed Optical Coherence Tomography, a new way of looking at the body using pulses of light. -- John Stocky of NASA's Jet Propulsion Laboratory received the award for his innovation in the Exploration category. He developed a radical Ion Propulsion Engine, which will open a new era of faster and cheaper space exploration. -- Marc Loinaz of Lucent Technologies Bell Laboratories received the award for his innovation in Personal Entertainment -- a video camera on a single silicon chip that is small enough to fit into a wristwatch. -- Philip Kennedy of Emory University and Neural Signals, Inc. received the award for his innovation in the Editors' Choice: Assistive Technologies category. His brain implants can read the mind of a paralyzed patient and translate thoughts into commands that a computer can understand. -- Dago de Leeuw of Philips Research Laboratory received the award for his innovation in the Computers category. He created electronic circuits made from low-cost polymer plastic. Winners were announced at a gala Academy Awards-style televised ceremony at Epcot at Walt Disney World Resorts on June 5th, 1999, presented by the Christopher Columbus Foundation. All winners and finalists will be featured in DISCOVER magazine's special July 1999 issue. DISCOVER is the country's leading general-interest science magazine. Each month DISCOVER reaches 7 million new generation thought leaders who want to understand science's ever broadening impact on all areas of life. SOURCE DISCOVER Magazine