Bettye Greene Wilson

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Intravascular (IV) contrast media are essential in many cases to enhance the diagnostic capabilities of medical imaging procedures. Much is known about the indications, contraindications, and adverse events associated with their use. This Directed Reading focuses on extravasation and IV contrast media-induced compartment syndrome, a less frequent, although(More)
This article reviews the concept of informed patient consent by examining two long-term studies in which adequate consent was not obtained from study participants: the radiation experiments sponsored by the U.S. government beginning in the 1940s and the Tuskegee Syphilis Experiment conducted from 1932 to 1972. The article discusses how these experiments(More)
The majority of splenic cysts occur as a result of parasitic infection, most commonly in countries where hydatid disease is endemic. In the Western world however, their occurrence is extremely rare and aetiology less clear. Approximately 800 cases of non-parasitic splenic cysts have been reported in the world literature to date. Their presentation ranges(More)
This article describes the imaging of aortic dissection from the perspective of a multidisciplinary imaging team. The relative merits of radiography, aortography, computed tomography, magnetic resonance imaging, ultrasound and nuclear medicine are described. Each technique has unique advantages for initial diagnosis, confirmation and follow-up. In recent(More)
Positron emission tomography-computed tomography (PET-CT) was the first fused or combined medical imaging technique. Although PET-CT has received widespread acclaim as a major imaging advancement, many questions have surfaced regarding its use. This article answers some of these questions and examines what PET-CT means to medicine and the medical imaging(More)
Although acquired immunodeficiency syndrome (AIDS) is not directly fatal, individuals with the disease are susceptible to a host of life-threatening opportunistic infections and complications. This article focuses on the central nervous system (CNS) complications of HIV/AIDS and computed tomography's role in diagnosing these conditions. After completing the(More)
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