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  • 1
    Electronic Resource
    Electronic Resource
    Non-tuberculous mycobacterial lymphadenitis in children (1989)
    Springer
    European journal of pediatrics 148 (1989), S. 751-754 
    Details
    ISSN: 1432-1076
    Keywords: Lymphadenopathy ; Atypical mycobacteria ; Non-tuberculous mycobacterial lymphadenitis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Eighty-six children (44 males, 42 females) were identified as having non-tuberculous mycobacterial lymphadenitis. The diagnostic criteria were either culture of the organism from the affected lymph node (n=68), or, when culture was negative, a positive skin test with non-tuberculous mycobacterial antigens and negative skin test responses to tuberculin purified protein derivative (PPD) in association with typical histological features (n=18). All children had histopathological findings of granulomatous inflammation with caseation and/or acid-fast bacilli. Eighty-two percent of the children were under 5 years of age at presentation and 30% were less than 2 years old. Most (79%) were city dwellers. Lymph node enlargement had been present for less than 6 months in almost all children (97.5%) and was almost exclusively in the face and neck region (97%). Disease was confined to the involved lymph nodes in 56% but had extended beyond the confines of the infected node to form a collar stud abscess in 38% and 6% presented with a skin sinus. Extranodal extension did not show any statistically significant association with the duration of lymphadenopathy. The duration of lymphadenopathy had been greater in those children in whom an organism was not isolated on culture resected tissue χ2, P〈0.01). All children were treated surgically, and recurrence occurred in five patients. This study describes the clinical and demographic characteristics of non-tuberculous mycobacterial lymphadenopathy in children in a population in which tuberculous adenitis is rare. Recognition of these features may allow earlier diagnosis and appropriate surgical therapy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00443102
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The determination ofin situ rock thermal properties and the simulation of climate in an underground mine (1986)
    Springer
    Geotechnical and geological engineering 4 (1986), S. 197-216 
    Details
    ISSN: 1573-1529
    Keywords: In situ rock conductivity ; in situ rock diffusivity ; mine climate simulation ; CLIMSIM ; diesel heat output
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Summary This paper describes the results from a continuing research project started in 1984, which is investigating improved methods for predicting the underground climate in hot mines. The Homestake Gold Mine in South Dakota was the site for testing methods, based on radial heat flow theory, to measurein situ values of the thermal conductivity and diffusivity of rock. The methods used proved to be quite within the capability of mine staff to carry out for themselves. The results were acceptable and verified thatin situ thermal rock properties can differ considerably from laboratory determined values, in this case by a factor of approximately two. A mine climate simulation program, CLIMSIM, was applied to case studies from the Homestake mine using the measured thermal rock parameters. The results showed good correlation between the measured and simulated values.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01560716
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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