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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 36 (1994), S. 432-434 
    ISSN: 1432-1920
    Keywords: Moyamoya disease ; Computed tomography ; Three-dimensional imaging ; Angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Our purpose was to assess the value of threedimensional (3D) CT angiography in the diagnosis of moyamoya disease. We studied seven patients with moyamoya disease proved by conventional angiography. Three-dimensional (3D) CT angiography was performed using rapid sequence or helical (spiral) scanning in conjunction with a bolus injection of intravenous contrast medium. All seven patients could be diagnosed as having moyamoya disease on the basis of the following 3D CT angiographic findings: poor visualisation of the main trunks and/or major branches of anterior and middle cerebral arteries (7 patients); dilated leptomeningeal anastomotic channels from the posterior cerebral arteries (4); and demonstration of “moyamoya vessels” in the basal ganglia (2). Although conventional angiography remains the principal imaging technique for demonstrating anatomical changes in detail, less invasive 3D CT angiography provides a solid means of diagnosing moyamoya disease when it is suspected on CT, MRI, or clinical grounds.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2153
    Keywords: ARAS ; Elementary reaction ; Excimer laser photolysis ; Piston actuated shock tube ; Spectroscopy ; Vibrational relaxation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics , Technology
    Notes: Abstract Qualitative improvement of chemical kinetic data at high temperatures has been achieved, to a great extent, by use of a combination of the piston actuated shock tube, the excimer laser photolysis, and the atomic resonance absorption spectrometry. Some of the important studies on elementary reactions performed recently in the University of Tokyo are demonstrated.
    Type of Medium: Electronic Resource
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