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  • 1980-1984  (1)
  • 1975-1979  (1)
  • Limitations contrast enhancement  (1)
  • Stereotactic techniques  (1)
  • 1
    Electronic Resource
    Electronic Resource
    A critical evaluation of two methods of head fixation (1980)
    Springer
    Neuroradiology 19 (1980), S. 7-12 
    Details
    ISSN: 1432-1920
    Keywords: Computed tomography ; Stereotactic techniques
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Two head-fixation systems, one using Thermoplast and the other Lightcast were tested as to reproducibility by comparing stereotactic coordinates before and after CT scan and after removal and reapplication of the helmets. Helmets constructed of Lightcast were more consistently stable than those constructed of Thermoplast probably due in part to the dental fixation used with the former. With Lightcast the change in position of coordinates was consistently less than 3 mm, i.e. 2 pixels, which is within the tolerance of the system as a whole.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00369081
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The limitations of definition of blood vessels with computer intravenous angiography (1976)
    Springer
    Neuroradiology 11 (1976), S. 35-40 
    Details
    ISSN: 1432-1920
    Keywords: Intravenous angiography ; Computerized axial tomography ; Limitations contrast enhancement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Using a polystyrene phantom and various concentrations of iodine contrast material, the discrimination of blood vessels by the EMI scanner was studied. Although a 2 mm tube can be delineated using high concentrations of iodine, smaller tubes are not seen due to noise inherent in the system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00327256
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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