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Impact of operator-selected image noise index and reconstruction slice thickness on patient radiation dose in 64-MDCT

Kalpana M Kanal1, Brent K Stewart, Orpheus Kolokythas

  • 1Department of Radiology, University of Washington Medical Center, 1959 NE Pacific St., Box 357115, Seattle, WA 98195-7115, USA. kkanal@u.washington.edu

AJR. American Journal of Roentgenology
|June 21, 2007
PubMed
Abstract

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German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...
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