As medical imaging exams have replaced more invasive procedures, benefiting patients and revolutionizing medicine, people's exposure to medical radiation has increased. Imaging providers are concerned that radiation exposure over time could have adverse effects for patients. They continue to act to ensure that patients receive only necessary scans and to reduce radiation dose used in these exams.
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Thursday 2 December 2010
George S. Bisset III, M.D., Named RSNA President-Elect
CHICAGO - George S. Bisset III, M.D., was named president-elect of the Radiological Society of North America (RSNA) Board of Directors today at the Society's annual meeting. Dr. Bisset is currently chief of pediatric radiology at Texas Children's Hospital, as well as professor of radiology and Edward B. Singleton Chair of Pediatric Radiology at Baylor College of Medicine in Houston.
"I am looking forward to my tenure as president-elect, during which time I will also serve as secretary-treasurer," Dr. Bisset said. "The financial management of the RSNA is in excellent hands. I can only aspire to adding some new perspectives on improving our portfolio and providing some new insight into means for building our membership and membership programs."
Dr. Bisset earned his medical degree in 1975 at the University of South Florida College of Medicine. At Cincinnati Children's Hospital Medical Center (CCHMC), Dr. Bisset completed his pediatric residency in 1977 and a fellowship in pediatric cardiology in 1980. In 1983, he began his radiology residency at the University of Cincinnati Medical Center, combined with a pediatric radiology fellowship at CCHMC, completing both in 1986.
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"I am looking forward to my tenure as president-elect, during which time I will also serve as secretary-treasurer," Dr. Bisset said. "The financial management of the RSNA is in excellent hands. I can only aspire to adding some new perspectives on improving our portfolio and providing some new insight into means for building our membership and membership programs."
Dr. Bisset earned his medical degree in 1975 at the University of South Florida College of Medicine. At Cincinnati Children's Hospital Medical Center (CCHMC), Dr. Bisset completed his pediatric residency in 1977 and a fellowship in pediatric cardiology in 1980. In 1983, he began his radiology residency at the University of Cincinnati Medical Center, combined with a pediatric radiology fellowship at CCHMC, completing both in 1986.
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Screening Tool May Better Identify Heart Disease in African Americans
CHICAGO—In a study presented today at the annual meeting of the Radiological Society of North America (RSNA), researchers say they may have an explanation as to why African Americans, despite having lower amounts of coronary artery calcification, are at increased risk for heart attacks and other cardiovascular events compared with Caucasians.
The answer, according to researchers at the Medical University of South Carolina (MUSC) in Charleston, S.C., may be increased levels of non-calcified plaque, which consists of buildups of soft deposits deep in the walls of the arteries that are not detected by some cardiac tests. Non-calcified plaque is more vulnerable to rupturing and causing a blood clot, which could lead to a heart attack or other cardiovascular event.
"The African Americans and Caucasians we studied had approximately the same amount of plaque in their arteries, but different kinds of plaque," said John W. Nance Jr., M.D., a researcher in the department of radiology and radiological sciences at MUSC.
For more information please visit: http://www.healthimaginghub.com/rsna-2010/2413-screening-tool-may-better-identify-heart-disease-in-african-americans.html
The answer, according to researchers at the Medical University of South Carolina (MUSC) in Charleston, S.C., may be increased levels of non-calcified plaque, which consists of buildups of soft deposits deep in the walls of the arteries that are not detected by some cardiac tests. Non-calcified plaque is more vulnerable to rupturing and causing a blood clot, which could lead to a heart attack or other cardiovascular event.
"The African Americans and Caucasians we studied had approximately the same amount of plaque in their arteries, but different kinds of plaque," said John W. Nance Jr., M.D., a researcher in the department of radiology and radiological sciences at MUSC.
For more information please visit: http://www.healthimaginghub.com/rsna-2010/2413-screening-tool-may-better-identify-heart-disease-in-african-americans.html
Cancer Risk From Medical Radiation May Have Been Overestimated
CHICAGO—The risk of developing radiation-induced cancer from CT may be lower than previously thought, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).
"Radiation from medical imaging has gotten a tremendous amount of attention in recent years," said Aabed Meer, an M.D. candidate at Stanford University in Palo Alto, Calif. "This is one of the first studies to track CT utilization in such a large population."
The researchers conducted a retrospective study using Medicare claims from 1998 through 2005 to analyze the distribution of CT scans, determine the ionizing radiation exposure associated with the exams and estimate the associated cancer risk in a population of older adults.
For more information please visit : http://www.healthimaginghub.com/rsna-2010/2425-cancer-risk-from-medical-radiation-may-have-been-overestimated.html.
"Radiation from medical imaging has gotten a tremendous amount of attention in recent years," said Aabed Meer, an M.D. candidate at Stanford University in Palo Alto, Calif. "This is one of the first studies to track CT utilization in such a large population."
The researchers conducted a retrospective study using Medicare claims from 1998 through 2005 to analyze the distribution of CT scans, determine the ionizing radiation exposure associated with the exams and estimate the associated cancer risk in a population of older adults.
For more information please visit : http://www.healthimaginghub.com/rsna-2010/2425-cancer-risk-from-medical-radiation-may-have-been-overestimated.html.
Diagnosis Uncertainty Increases Anxiety in Patients
CHICAGO—Have you ever felt uneasy sitting in a doctor's waiting room or climbed the walls waiting for your test results? That feeling of anxious uncertainty can be more stressful than knowing you have a serious illness, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).
"Not knowing your diagnosis is a very serious stressor," said the study's lead author, Elvira V. Lang, M.D., associate professor of radiology at Harvard Medical School in Boston. "It can be as serious as knowing that you have malignant disease or need to undergo a possibly risky treatment."
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"Not knowing your diagnosis is a very serious stressor," said the study's lead author, Elvira V. Lang, M.D., associate professor of radiology at Harvard Medical School in Boston. "It can be as serious as knowing that you have malignant disease or need to undergo a possibly risky treatment."
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http://www.healthimaginghub.com/rsna-2010/2401-diagnosis-uncertainty-increases-anxiety-in-patients.html
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