Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Rodney C. Williams"'
Autor:
Michael J. Hughes, James E. Winslow, William P. Bozeman, Rodney C. Williams, Jeffrey W. Hinshaw
Publikováno v:
Annals of Emergency Medicine. 52:93-97
Study objective Many emergency departments and trauma centers utilize extensive radiologic studies during the assessment of trauma patients. A point of concern arises about the possible biological effects of these cumulative radiation doses. The obje
Autor:
Kathryn A. Morton, Frederic H. Fahey, R. Mark Payne, Nancy Buchheimer, Robert H. Mach, Rodney C. Williams, Holly C. Smith, Jennifer Mercier, Michael C. Bounds, Beth A. Harkness, Michael E. Robbins, H. Donald Gage
Publikováno v:
Journal of Computer Assisted Tomography. 28:842-848
Objective: The quantitative capability of a positron emission tomography scanner for small animal imaging was evaluated in this study. Methods: The microPET P4 (Concorde Microsystems, Knoxville, TN) scanner's capability for dynamic imaging and correc
Autor:
D. Narayanan, Nadine M. Lesko, D. Beylin, J. Hummel, Mohan Doss, William Peter, Judy V. Lovelace, Rita I. Freimanis, K. Lauckner, S.D. Wollenweber, P. Stepanov, Michael H. Torosian, Irving N. Weinberg, V. Zavarzin, Rodney C. Williams, Kathryn A. Morton, Lee P. Adler, Edward A. Levine, S. Yarnall, Elin R. Sigurdson, Kim R. Geisinger, E.V. Anashkin, K. Evers, Nancy D. Perrier, S. Dolinsky
Publikováno v:
ISBI
Operation of a high resolution compact clinical PET Scanner (PEM Flex/spl trade/) device as a breast scanner is described. The device features high spatial resolution (1.5 mm FWHM intrinsic resolution) as a result of small crystals and compact positi
Autor:
Pavel Stepanov, Edward A. Levine, Irving N. Weinberg, Nadia M. Lesko, Connie Sharpe, Kim R. Geisinger, Rodney C. Williams, Valera Zavarzin, Nancy D. Perrier, Mohan Doss, Lee P. Adler, Kathryn Lauckner, Judy V. Lovelace, Rita I. Freimanis, David Beylin, Simon Bergman, Kathryn A. Morton
Publikováno v:
Annals of surgical oncology. 10(1)
Evaluation of high-risk mammograms represents an enormous clinical challenge. Functional breast imaging coupled with mammography (positron emission mammography [PEM]) could improve imaging of such lesions. A prospective study was performed using PEM
Autor:
Valera Zawarzin, Wendie A. Berg, Nancy D. Perrier, Edward A. Levine, Rita L. Freimanis, Lee P. Adler, Nadia M. Lesko, Roberto Pani, Irving N. Weinberg, Rodney C. Williams
Publikováno v:
Medical Imaging: Image-Guided Procedures
Purpose: Phantom trials using the PET data for localization of hot spots have demonstrated positional accuracies in the millimeter range. We wanted to perform biopsy based on information from both anatomic and functional imaging modalities, however w
Autor:
William J. Chimiak, Rodney C. Williams
Publikováno v:
SPIE Proceedings.
Picker MR images were translated to the Bowman Gray School of Medicine (BGSM) IMACS format using software designed for portability to other modalities. The Siemens PET modality was the first successful test of the software's extensibility. Although t
Autor:
William J. Chimiak, Rodney C. Williams
Publikováno v:
SPIE Proceedings.
There is a need for a consolidated picture archival and communications system (PACS) in hospitals. At the Bowman Gray School of Medicine of Wake Forest University (BGSM), the authors are enhancing the ACR/NEMA Version 2 protocol using UNIX sockets an
Autor:
Robert J. Cowan, David W. Gelfand, C. D. Maynard, Rodney C. Williams, Robert H. Choplin, W. C. Park, F. M. Volberg, Johannes M. Boehme
Publikováno v:
Radiology. 150:345-348
The patient registration and interpretation/reporting modules of a computer-assisted radiologic reporting system are described. Entries may be made at several levels of complexity, using bar codes or keyboard input. Several functions allow convenient
Autor:
Rodney C. Williams, David A. Stump
Publikováno v:
Brain and Language. 9:35-46
A brief introduction to the history and development of the noninvasive regional cerebral blood flow technique is presented. The procedures and apparatus are described in a nontechnical manner to provide a resource background for the other papers in t
Publikováno v:
The Journal of Chemical Physics. 60:127-132
The rate constants for the transformation of radical pairs to single radicals in x‐ray irradiated hydroxyurea have been determined from the decay of ESR spectra at temperatures from 253–268°K. The ratio of decay rates for a protonated to a deute