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  • 1
    Electronic Resource
    Electronic Resource
    Tissue culture, electron microscopic and enzyme histochemical investigations on a sympathetic ganglioneuroblastoma (1973)
    Springer
    Acta neuropathologica 24 (1973), S. 107-116 
    Details
    ISSN: 1432-0533
    Keywords: Tissue Culture ; Electron Microscopy ; Enzyme Histochemistry ; Sympathetic Ganglioneuroblastoma ; Medulloblastoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The results of combined tissue culture, ultrastructural and enzyme histochemical investigations carried out on a sympathetic ganglioneuroblastoma are reported.In vitro a vigorous sprouting of newly formed neuritic processes was observed a few days after explantation. The enzymatic reactions for acethylcholinesterase were positivein situ as well asin vitro. The tumor elements showed the ultrastructural characteristics of nerve cells with many microtubuli and filaments, plenty of ribosomes, well developed endoplasmic reticulum. Dense bodies, corresponding to neurosecretion granula (catecholamines) were also observed. Synaptic structures were missing. The results of these investigations confirm that this kind of tumor is different from so-called medulloblastoma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00684833
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Spongioblastomas, astrocytomas and rosenthal fibers. Ultrastructural, tissue culture and enzyme histochemical investigations (1972)
    Springer
    Acta neuropathologica 22 (1972), S. 68-78 
    Details
    ISSN: 1432-0533
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Electron microscopic and enzyme histochemical investigations were carried out on a group of spongioblastomas and astrocytomas and their tissue cultures. Both neoplastic cell populations are ultrastructurally identical, but show differences in the late stages of cultivation,viz. in the modality of degeneration. The cytoplasm of “spongioblasts” becomes progressively overloaded with filaments, floccular material and fine granular osmiophilic masses, which leads to cell necrosis. These osmiophilic masses correspond to Rosenthal fibers of light microscopy. In some cells, before Rosenthal fibers appear, the granular ground substance is thickened, particularly close to the Golgi apparatus and the ribosomes are increased in number. At times, some mitochondria show an abnormal dense homogeneous matrix. This peculiar cell degeneration seems to be not the consequence of a simple overproduction of filaments, but a manifold cellular disorder akin to a storage dystrophy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00687551
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    über ein metastasierendes Gliosarkom (1972)
    Springer
    Acta neurochirurgica 26 (1972), S. 165-171 
    Details
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary A mixed Glio-mesenchymal tumour (Gliosarcoma) is described which, owing to the form of its recurrence and the special type of its metastasising, underlined the supposition, that many “Primary Cerebral Sarcomas” have arisen from the vessel hyperplasia of a Glioblastoma.
    Notes: Zusammenfassung Es wird über eine gliös-mesenchymale Mischgeschwulst (Gliosarkom) berichtet, die durch ihre Rezidivbildung und die besondere Art ihrer Metastasierung die Vermutung unterstreicht, daß manche „primäre Hirnsarkome“ aus der Gefäßhyperplasie eines Glioblastoms hervorgegangen sind.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01406553
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Curing of epoxy resins with dicyandiamide: NMR and IR investigation of isolated main products (1994)
    Springer
    Polymer bulletin 32 (1994), S. 311-317 
    Details
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary The mechanism of the epoxy resin curing with dicyandiamide was studied using the model phenyl glycidyl ether. Some reaction products were isolated by HPLC and characterized by FTIR and Carbon-13 NMR spectroscopy. Examples are given to illustrate the presence of linear and cyclic structures with or without nitrile functions in the complex reaction mixture.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00308542
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Über ein traumatisch entstandenes intrakranielles Epidermoid (1976)
    Springer
    Journal of neurology 211 (1976), S. 183-188 
    Details
    ISSN: 1432-1459
    Keywords: Epidermoid ; Tumor intracranial ; Tumor intracranial traumatic ; Head injury
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über ein traumatisch entstandenes Epidermoid berichtet, dessen traumatische Genese sich an Hand einer fast lückenlosen 28jährigen Verlaufsbeobachtung unzweifelhaft nachweisen läßt. Die differentialdiagnostischen Schwierigkeiten und die sich daraus ergebenden Konsequenzen werden noch einmal hervorgehoben.
    Notes: Summary A report of an epidermoid caused by trauma. The traumatic genesis was conclusively demonstrated in the course of an almost uninterrupted 28-year observation. The differential diagnostic difficulties and the consequences following therefrom are emphasized.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00313361
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Angiographic demonstration of cervical extradural meningioma (1977)
    Springer
    Neuroradiology 14 (1977), S. 147-149 
    Details
    ISSN: 1432-1920
    Keywords: Spinal extradural meningioma ; Spinal angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The diagnosis of a cervical extradural meningioma was made preoperatively on the basis of angiographic criteria. The entire extent of the tumor that partially encircled the dural sac could be demonstrated with regional spinal angiography.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00333059
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Zur Gleichgewichtsprüfung nach Entfernung von Kleinhirntumoren (1982)
    Springer
    European archives of oto-rhino-laryngology and head & neck 235 (1982), S. 613-614 
    Details
    ISSN: 1434-4726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The meaning of cerebellar tumor removing surgery for vestibulo cerebellar functions and for the maintenance of equilibrium is discussed. The electronystagmograms of seven patients after tumor removal were recorded during bithermal stimulation of the labyrinths, smooth pursuit and inhibition of vestibular nystagmus by fixation. The smooth pursuit was markedly changed in some patients depending on the size of the tumor while the other two functions were not significantly influenced by surgery. The results are interpreted neuro-anatomically and electro-physiologically.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00459940
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    Paper (German National Licenses)
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