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  • Schlüsselwörter: Erythrokeratolysis hiemalis – Keratolytisches Wintererythem – Oudtshoorn-Haut – Keratinozyten-Nekrobiose – Erythematosquamöse Genodermatose  (1)
  • Triblattanes  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Der Hautarzt 45 (1994), S. 776-779 
    ISSN: 1432-1173
    Keywords: Schlüsselwörter: Erythrokeratolysis hiemalis – Keratolytisches Wintererythem – Oudtshoorn-Haut – Keratinozyten-Nekrobiose – Erythematosquamöse Genodermatose ; Key words: Erythrokeratolysis hiemalis – Keratolytic winter erythema – Oudtshoorn skin – Necrobiosis of keratinocytes – Erythematosquamous genodermatosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract. Erythrokeratolysis hiemalis, keratolytic winter erythema or Oudtshoorn skin has been reported from the South African district of Oudtshoorn as a dominantly inherited dermatosis beginning in early childhood, in some cases with circinar scaling erythemas. Seasonal manifestation in winter-time and a characteristic multiform histology distinguish this dermatosis from other childhood scaling erythemas. We present clinical, histological and preliminary immunohistological data of a 4-year-old girl with the attributes of erythrokeratolysis hiemalis. No ancestors from the endemic region were traced. The lack of further cases in the family is interpreted as indicative of a spontaneous dominant new mutation.
    Notes: Zusammenfassung. Als Erythrokeratolysis hiemalis, keratolytic winter erythema oder Oudtshoorn skin wurde eine frühkindlich manifeste, dominant erbliche Dermatose mit teilweise zirzinären schilfernden Erythemen besonders bei Familien aus dem südafrikanischen Distrikt Oudtshoorn beschrieben. Die saisonale Bindung an das Winterhalbjahr und der charakteristische histologisch multiforme Befund unterscheiden diese Dermatose von anderen erythematosquamösen Erkrankungen des Kindesalters. Wir demonstrieren klinische, histologische und erste immunhistologische Befunde einer 4jährigen Patientin, die gut zur Erythrokeratolysis hiemalis passen. Vorfahren aus dem Endemiegebiet waren nicht zu eruieren. Bei leerer Familienanamnese gehen wir von einer dominanten Neumutation aus.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0009-2940
    Keywords: Triblattanes ; PE ; Orbital sequence ; Calculations ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The He(I)-PE spectra of the parent [1.1.1]-, [2.1.1]-, [2.2.1]-, and [2.2.2]triblattanes 1-4, of their unsaturated or ketonic congeners 5-13 and benzo derivatives 14-20 have been recorded. For 1-4, the energy difference between the highest occupied orbitals (e” and a' mainly localized at the central bicyclo-[2.2.2]octane unit) and the subsequent MOs increases with increasing number of ethano bridges. This observation is rationalized by using a first-order perturbation-theoretical approach. The analysis of the PE spectra of the exo-methylene (5-7), ketone (8-10), and endo-olefinic derivatives (11-13) unveils a strong π/σ mixing. The splitting of the π-bands in 7 (0.95 eV) and 13 (1.0 eV), respectively, is traced back to a stronger π/σ mixing of the e MOs as compared to the a2 MOs. An analogous interaction causes the splitting of the first bands of the ketones 8-10 (0.45-1.49 eV). For the benzo derivatives 14-20 the split of the π-bands is relatively small (0.35-0.7 eV).
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
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