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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 105 (1983), S. 1073-1074 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. ; Stafa-Zurich, Switzerland
    Solid state phenomena Vol. 3-4 (Jan. 1991), p. 473-481 
    ISSN: 1662-9779
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 10 (1968), S. 279-294 
    ISSN: 1432-0533
    Keywords: Neurofibromas ; von Recklinghausen's disease ; Neurinomas (or schwannomas) ; Electron microscopy ; Peripheral nervous tumors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé L'examen en microscopie optique et électronique de 6 neurofibromes prélevés chirurgicalement chez des patients atteints de maladie de Recklinghausen autorise un certain nombre de conclusions: l'ultrastructure des neurofibromes est faite de 2 types de cellules (cellules de Schwann et fibroblastes) dispersées au sein d'un espace extra-cellulaire contenant de nombreuses fibres de collagène. Des axones myélinisés et amyéliniques sont présents; l'aspect ultrastructural de 3 neurinomes de l'acoustique a été comparé à celui des neurofibromes et apparaît comme différent. Les neurinomes sont faits d'un seul type cellulaire (très probablement cellule de Schwann), le collagène y est beaucoup moins abondant, les axones absents. Quelques déductions pathogéniques et nosologiques sont proposées.
    Notes: Summary Six neurofibromas from patients with von Recklinghausen's disease have been examined by light and electron microscopy: 2 types of cells have been found (Schwann cells and fibroblasts) scattered in extracellular spaces rich in collagen fibers. Myelinated and nonmyelinated axons were observed. These data have been compared with other ones collected from 3 acoustic neurinomas. These latter contained only one cellular type (very likely to be Schwann cell), much less collagen and no axon at all. A pathogenic and nosologic discussion is given.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 25 (1973), S. 259-270 
    ISSN: 1432-0533
    Keywords: Tuberous Sclerosis ; Electron Microscopy ; Cerebral Biopsy ; Astrocytes ; Cerebral Tumor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The electron microscopic study of a cortical biopsy from a child presenting a Tuberous Sclerosis shows the importance of the astrocytic gliosis, the existence of abnormal cells of which two types can be recognized, and the presence of giant cells. All these cells are remarkable by the abundance of the ergastoplasm, the development of the Golgi apparatus, and the presence of membrane bound dense bodies. These cells are undoubtedly of astrocytic origin and appear very similar to the cells observed in a tumour of the caudate nucleus of another child affected by the same disease. These morphological data lead to believe that the cerebral abnormalities of the Tuberous Sclerosis essentially concern the astrocytes. The main characteristic of this astrocytic lesion would be its blastomatous potentiality.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-0533
    Keywords: Parkinsonian syndrome ; Cerebral lymphoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The clinical history and postmortem neuropathologic findings of a case of cerebral lymphoma revealed by a typical parkinsonian syndrome are reported. The clinical symptoms initially improved with dopa therapy. The tumor was classified as a diffuse, non-cleaved, large-cell lymphoma of B-cell origin producing monoclonal lambda light chains. The substantia nigra was infiltrated by the tumor and showed neuronal loss and extraneuronal pigment. The most striking histological feature was the presence of neuronophagic-like nodules composed of lymphomatous cells both in the locus niger and in the left thalamus. No tumoral mass effect and no histological stigmata of other etiologies of parkinsonian syndromes were observed. A hypothesis is that the neuronophagic-like nodules may reflect a neuronotoxic activity of the lymphoma and may be considered at the origin of parkinsonism.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 62 (1983), S. 103-111 
    ISSN: 1432-0533
    Keywords: Arteriovenous fistulae ; Dura mater ; Retromedullary arteriovenous malformations ; Spinal angiomas
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The histological study of 28 cases of arteriovenous fistulae of the meninges draining into spinal veins, previously known as retromedullary arteriovenous malformations, has shown that the shunt is located inside the thickness of the dura mater. It is fed by a normal artery and drains through a single and abnormal vein. Our histological documents lead us to the conclusion that this entity is not a genuine arteriovenous malformation but, in all probability, an aquired lesion.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 63 (1984), S. 264-268 
    ISSN: 1432-0533
    Keywords: Neuroepithelial cyst ; Ependymal cyst ; Intraparenchymatous cyst
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The authors report three cases of intraparenchymatous neuroepithelial cysts, which did not communicate with the ventricular system and the subarachnoid space. They were located in (1) the right frontal lobe, (2) the left cerebral peduncle and pons, and (3) the right cerebellar hemisphere. All of them were asymptomatic, despite their volume and location, and presented as incidental autopsy findings. A developmental origin is likely for these non-neoplastic cysts.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-0533
    Keywords: Intraspinal arteriovenous fistula ; Klippel-Trenaunay-Weber syndrome ; Hemangiomatosis ; Selective spinal arteriography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary An intraspinal vascular malformation associated with the Klippel-Trenaunay-Weber (KTW) syndrome initially was thought to be intramedullary on angiographic findings. Postmortem examination revealed an entirely posterior extramedullary arteriovenous fistula (AVF) fed by the anterior spinal artery. The association of the KTW syndrome with a so-called intramedullary AVF has been described in the literature without any pathologic confirmation (11 cases). Our case emphasizes the difficulty of determining the exact morphology and location of spinal AVF on arteriography. The association of the KTW syndrome with a retromedullary AVF can be explained on a developmental basis.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-0533
    Keywords: Acquired immune deficiency syndrome (AIDS) ; Human immune deficiency virus (HIV) ; Cerebral toxoplasmosis ; Progressive multifocal leucoencephalopathy ; Papovavirus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A 29-year-old homosexual male with AIDS presented with progressive encephalopathy and cytomegalovirus (CMV) pneumonia. Neuropathological examination revealed toxoplasma abcesses in corpus callosum, basal ganglia and cerebellar white matter; demyelinating foci in the parietal white matter, with microscopic changes typical of progressive multifocal leucoencephalopathy and intranuclear papovavirus inclusions in oligodendrocytes; and lesions of subacute encephalitis in the periventricular regions with large cells positive by immunostaining for CMV. Diffuse myelin loss was observed in the cerebral white matter. Multinucleated giant cells were numerous in the demyelinated areas, they were also observed in close relationship with papova, CMV and Toxoplasma lesions. Immunostaining of these cells was positive for histiocyte markers and negative with the leucocyte common antigen monoclonal antibody. Some of them contained virus-like particles measuring around 100 nm similar to human immune deficiency virus (HIV) as observed in human brain.
    Type of Medium: Electronic Resource
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