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NEWS CONFERENCES TODAY AT RSNA'S SCIENTIFIC ASSEMBLY

 CHICAGO, Dec. 1 ~PRNewswire~ -- Following are brief summaries of some of the news conferences being held today at the RSNA's scientific assembly, which is drawing more than 55,000 radiologists and other professionals to Chicago this week. Press conference schedules for Wednesday, Dec. 2, follow. Press conference presenters are available for interviews.
 -- Inoperable liver and prostate cancers are being frozen or heated "to death" in new procedures being used in patients whose tumors were considered hopeless. An ultrasound guided freezing technique called cryosurgery has had early success in nearly 80 percent of prostate cancer patients involved in a Medical College of Pennsylvania study. Liver patients are also benefiting from the procedure. In London, British radiologists are using laser hyperthermia to heat tumors in the liver, prostate, breast and pancreas, adding months, and sometimes years, to terminal patients' lives.
 -- The sometimes tricky diagnosis of appendicitis in children is being aided by ultrasound that is saving youngsters from unnecessary exploratory surgery. Mallinckrodt Institute of Radiology radiologists in St. Louis said 1 in 4 patients do not have "classic" appendicitis symptoms and the decision of whether to operate is a difficult one. Using color doppler ultrasound, they were able to tell a good appendix from a bad one, and saved 50 of the 82 kids in their study from having unnecessary surgery.
 -- Children involved in auto accidents -- especially those wearing seat belts -- should be routinely checked for spine injuries with plain x-rays, in addition to the current diagnostic standard following accidents, computed tomography. Crushed vertebrae or compression fractures are common and can go undetected. In a study out of Children's National Medical Center, Washington, x-rays found back injuries CT missed.
 Wednesday's news conferences include:
 8:30 a.m. -- FDA Study Shows Quality of U.S. Mammograms Is
 Improving
 9 a.m. -- Magnetic Resonance Can Detect Cancer Tumors in
 Women with Silicone Breast Implants
 9:30 a.m. -- Ultrasound and Magnetic Resonance Are Accurately
 Detecting Most Silicone Leaks in Women with
 Breast Implant Ruptures
 11 a.m. - New Technique Appears to be Able to Predict Risk
 of Osteoporosis
 -0- 12~1~92
 ~CONTACT: Starr Lycos or Julia Sincox in the RSNA newsroom, 312-791-6605~


CO: RSNA ST: Illinois IN: HEA SU:

TS -- NY009 -- 2232 12~01~92 07:58 EST
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Date:Nov 30, 1992
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