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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 42 (2000), S. 215-217 
    ISSN: 1432-1920
    Keywords: Key words Kasabach-Merritt syndrome ; Haemangioendothelioma, kaposiform ; Haemangioma, bone changes ; Disseminated intravascular coagulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Since the description in 1940 of Kasabach-Merritt syndrome (KMS) in patients with capillary haemangiomas, several other vascular tumours have been recognised as possible causes of this coagulopathy. The literature suggests a specific histological pattern of vascular tumours responsible for KMS, excluding capillary haemangioma [1]. There is an extensive literature on, haemangiomas accompanied by thrombocytopenia, and imaging of thrombosis in the lesion, especially cavernous haemangioma of the liver. However, no report has described a haemangioma of the mandible in the acute stage of the coagulopathy, or serial examinations of such a lesion. We report the features of a mandible lesion with KMS and discusses the interpretations of the changes observed.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1433-2965
    Keywords: Key words:BMD – Men – Osteopenia – Osteoporosis – Prevalence – Women
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract: The Canadian Multicentre Osteoporosis Study (CaMos) is a prospective cohort study which will measure the incidence and prevalence of osteoporosis and fractures, and the effect of putative risk factors, in a random sample of 10 061 women and men aged ≥25 years recruited in approximately equal numbers in nine centers across Canada. In this paper we report the results of studies to establish peak bone mass (PBM) which would be appropriate reference data for use in Canada. These reference data are used to estimate the prevalence of osteoporosis and osteopenia in Canadian women and men aged ≥50 years. Participants were recruited via randomly selected household telephone listings. Bone mineral density (BMD) of the lumbar spine and femoral neck were measured by dual-energy X-ray absorptiometry using Hologic QDR 1000 or 2000 or Lunar DPX densitometers. BMD results for lumbar spine and femoral neck were converted to a Hologic base. BMD of the lumbar spine in 578 women and 467 men was constant to age 39 years giving a PBM of 1.042 ± 0.121 g/cm2 for women and 1.058 ± 0.127 g/cm2 for men. BMD at the femoral neck declined from age 29 years. The mean femoral neck BMD between 25 and 29 years was taken as PBM and was found to be 0.857 ± 0.125 g/cm2 for women and 0.910 ± 0.125 g/cm2 for men. Prevalence of osteoporosis, as defined by WHO criteria, in Canadian women aged ≥50 years was 12.1% at the lumbar spine and 7.9% at the femoral neck with a combined prevalence of 15.8%. In men it was 2.9% at the lumbar spine and 4.8% at the femoral neck with a combined prevalence of 6.6%.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 37 (2004), S. 391-401 
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1434-6036
    Keywords: PACS. 71.23.Ft Quasicrystals – 79.60.Bm Clean metal, semiconductor, and insulator surfaces – 71.55.Jv Disordered structures; amorphous and glassy solids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: High resolution photoemission measurements performed at low temperatures on a single-grained sample of the AlPdMn icosahedral phase show that the density of states N(E) strongly depends on the nature of the surface. For an ordered quasicrystalline surface, prepared by Ar etching and ultra high vacuum annealing, a dip feature is observed in N(E) near the Fermi level, which energy dependence can be analyzed with a simple square-root power law. By contrast, N(E) varies only little with energy both for a disordered surface and a crystalline surface of the same sample. A sharp Fermi edge is then clearly observed. This shows that the metallic character of the surface of a quasicrystal is strongly reduced when the surface presents a quasicrystalline ordering.
    Type of Medium: Electronic Resource
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