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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 26 (1973), S. 285-299 
    ISSN: 1432-0533
    Keywords: Herpes simplex Virus ; Ultrastructure ; Viral Infection ; Virus-Host Interaction ; Nervous System
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The nervous system and small intestine of mice infected with herpes simplex virus were examined by electron microscopy from the viewpoint of virus-host interaction. The host cells examined included the neuron, astrocyte, oligodendrocyte, and Schwann cell. The susceptibility of the latter was not less than that of the neuron. The endothelial cell, perineural fibrocyte and smooth muscle cell were also host cells. Replication of herpes virus in the nervous system was proven to be identical to that occurringin vitro; initial reproduction of nucleocapsids in the nucleus and subsequent maturation at the nuclear membrane with envelope formation, followed by discharge into the cytoplasmic reticular cavities and finally release from the host cell. Inconsistency in the distribution of virus particles and viral antigen was chiefly concerned with the host cell nucleus and the glial cytoplasm. Herpes virions, though few, were identified in the axons of peripheral nerves, and in the periaxonal space of myelinated fibres in the brain and the nerve ganglia. Virions were present in tiny vesicles in the perikarya or as naked particles. In the distal parts of peripheral nerve, there was marked dissociation in the amount of virions between Schwann cells and the axon. The significance of the endoneural space and the axon in the neural speread of infection is discussed briefly.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 32 (1975), S. 173-173 
    ISSN: 1432-0533
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 33 (1975), S. 153-164 
    ISSN: 1432-0533
    Keywords: Herpes simplex encephalitis ; Cytomegalic inclusion disease ; Necrotizing encephalitis ; Steroid therapy ; Immunosuppression
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A 51-year-old housewife developed symptoms of a cold followed by high fever, delirium, coma, rigidity of extremity muscles, positive Babinski sign and generalized convulsions, while complement-fixing antibody titre to herpes simplex virus in the sera raised over 128x and declined to 8x in the course. She finally expired of bronchopneumonia following status epilepticus after 94 days of illness. Severe necrosis with extensive hemorrhage in the white matter was predominant in the temporal, insular and orbitofrontal cortex, thalamus and globus pallidus. Focal rarefaction of the cerebral cortex with a very few oesinophilic intranuclear inclusions in the oligodendroglia and nerve cells, nerve cell destruction in the substantia nigra with glial nodules and perivascular inflammatory cell cuffs were observed. Abundant cytomegalic inclusion cells, originating from hypertrophic astrocytes, were present in the necrotic areas of cerebrum as well as in the rarefied tissue in the subependymal layers of the brainstem and cerebellum. Electronmicroscopic study of the cytomegalic cells demonstrated the presence of numerous virions in both nucleus and cytoplasm. Fortuitous infection of the brain by cytomegalovirus with necrotizing encephalitis by herpes simplex virus is unique. The cause of double viral infections and severe lesions by less virulent strains is discussed.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0533
    Keywords: Prader-Labhar-Willi Syndrome ; Hypoglycemic Coma ; Cerebral Necroses ; Vascular Reaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The autopsy findings of a 27-year-old diabetic woman who had a mental and somatic retardation since childhood (Prader-Labhart-Willi syndrome) and expired of hypoglycemic coma due to the insulin administration 13 days later are reported. The most remarkable changes in the CNS were prominent vascular reaction in the involved areas and fresh necrotic foci in the corpus callosum, optic chiasm, midbrain, pons and other areas, indicating recent disturbances of blood-brain-barrier. Some metabolic-humoral dysfunctions which cosisted in the background of Prader-Labhart-Willi syndrome could play a significant role for the development of the above mentioned fresh changes. Generalized hypoplasia of the endocrine organs, fibrosis of the pituitary posterior lobe, phenomena of the precocious senility in the CNS and an advanced focus of the optic tract, on the other hand, were possibly related to this longstanding syndrome of the present example.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0533
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1459
    Keywords: Encephalomyelitis demyelinating ; Acute vasculitis ; Collagen disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird ein Autopsiefall von Entmarkungsencephalomyelitis bei einer 26jährigen Hausfrau berichtet, die nach mehreren Remissionen in einem rasch progredienten Krankheitsschub verstarb. Die Krankheit dauerte etwa 4 Jahre. Die eindrücklichsten neuropathologischen Befunde sind ausgedehnte subcorticale Erweichungsherde in den Großhirnhemisphären, perivenöse Entmarkungsherdchen in deren Umgebung und auch verstreut im Marklager und eine akute Vasculitis mit fibrinoiden Exsudaten in den veränderten und nichtveränderten Arealen. Perivenöse rund- und spindelzellige Infiltrationen fallen in den Markherden auf. Die Laboratorium- und Postmortemuntersuchungen ergeben einige Merkmale der Kollagenkrankheiten wie systemischer Lupus erythematosus, z.B. eine markante Vermehrung von γ-Globulin, besonders IgG, von CRP, RA und ANA im Serum, mäßige Verdickung der glomerulären Basalmembranen in der Niere, zwiebelschalenartige periarterioläre Fibrose in der Milz, fibröse Pericarditis und periadventielle Fibrose der myocardialen Arterien. Es findet sich auch eine bilaterale Degeneration der Hinterstränge und Hinterwurzeln im Rückenmark. Ein möglicher Zusammenhang zwischen den modifizierten Bildern im vorliegenden Fall der Entmarkungsencephalomyelitis und abnormen Immunmechanismen als Grundlage wird diskutiert.
    Notes: Summary A woman, aged 26 years, who died of progressively worsening demyelinating encephalomyelitis in the course of 4 years is reported. The neuropathological findings included large subcortical softenings in the cerebral hemispheres, tiny perivenous demyelinated foci in their neighborhood and scattered in the white matter. There was an acute vasculitis with fibrinoid exudation in the affected as well as unaffected areas. Focal perivenous mononuclear cell infiltrations are conspicuous in the white matter. The laboratory and postmortem examinations suggested a collagen disease like SLE. The abnormalities included marked increase of serum γ-globulin, especially of IgG, and elevation of CRP, RA, and ANA titer, moderate thickening of the basement membranes of the renal glomeruli, onion skin-like periarteriolar fibrosis in the spleen, fibrous pericarditis and periadventitial fibrosis of myocardial arteries. Bilateral degeneration of the spinal posterior columns and dorsal roots was also observed. A probable relationship of the modified features in this example of demyelinating encephalomyelitis with abnormal immune mechanisms in the background is discussed.
    Type of Medium: Electronic Resource
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