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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 21 (1970), S. 389-394 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 26 (1973), S. 284-286 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 29 (1974), S. 155-158 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 20 (1970), S. 129-132 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 24 (1972), S. 122-123 
    ISSN: 1432-0584
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 49 (1971), S. 661-663 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei der elektronenmikroskopischen Untersuchung der peripheren Blutzellen einer Patientin mit Lupus erythematosus visceralis (L.e.v.) fanden wir in Lymphocyten und lymphatischen Reizformen cytoplasmatische Einschlüsse, und zwar in jeder 10.–15. Zelle. Diese stellen höchstwahrscheinlich Nucleoproteidstrukturen von Myxo- oder Paramyxoviren dar. Sie sind identisch mit den in Glomerulumendothelien bei lupoider Nephritis und in Lymphknotenzellen bei L.e.v. gefundenen Einschlüssen.
    Notes: Summary The electron microscopic study of peripheral blood cells of a patient with systemic lupus erythematosus revealed cytoplasmatic inclusions in almost 10% of the circulating lymphocytes and activated lymphocytes. Most probably they represent the nucleoprotein component of myxo- or paramyxoviruses. These cytoplasmatic inclusions were identical with virus-like structures that had been found in endothelial cells of glomerulum capillaries and in lymph node cells in systemic lupus erythematosus.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 51 (1973), S. 389-396 
    ISSN: 1432-1440
    Keywords: B-cell lymphoma ; secretory lymphocytes ; defect of secretory mechanism ; cytoplasmic inclusions ; Russell bodies ; IgM ; macroglobulins ; 8 S-IgM-subunits ; polyacrylamid electrophoresis ; radio-immunoprecipitation technique ; single radial immuno-diffusion ; Chronische lymphatische Leukämie ; B-Zellenlymphom ; lymphatische Zellen vom sekretorischen Typ ; Sekretionshemmung ; intracelluläre Einschlüsse ; Russellsche Körperchen ; IgM ; Makroglobuline ; 8 S-IgM-Untereinheiten ; Polyacrylamidelektrophorese ; Radioimmunpräzipitationstechnik ; einfache radiale Immunodiffusion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei einem Fall von chronischer lymphatischer Leukämie wurden histologische, cytochemische und elektronenmikroskopische Untersuchungen des Lymphknotens sowie Immunglobulinbestimmungen des Lymphknotenhomogenates und des Blutes durchgeführt. Die Immunglobulinbestimmungen deckten eine hochgradige IgM-Vermehrung im Lymphknoten bei IgM-Verminderung im Blut auf. Ein morphologisches Äquivalent dieser IgM-Vermehrung stellte die Ablagerung PAS-positiver Cytoplasmaeinschlüsse in den neoplastischen Lymphknotenzellen dar. Diese Einschlüsse waren in Ergastoplasmasäcken dieser Zellen lokalisiert. Im übrigen beherrschten ergastoplasmahaltige „sekretorische“ lymphatische Zellen ohne cytoplasmatische Einschlüsse das elektronenmikroskopische Bild. Es handelte sich also um ein IgM-bildendes B-Zellenlymphom vom sekretorischen Typ. Die unterbliebene Abgabe der Makroglobuline in das Blut ist als Sekretverhaltung zu deuten. Da das IgM als 8 S-IgM im Gewebe vorlag, nehmen wir an, daß hier eine Polymerisationsstörung der IgM-Untereinheiten zu dem 19 S-Pentamer bestand, als deren Folge die unterbliebene Sekretion von IgM ins Blut anzusehen ist.
    Notes: Summary A lymph node of a patient suffering from chronic lymphocytic leukemia was investigated using histological, cytochemical and electron microscopic techniques. The remaining lymph node tissue and the blood were also examined for their immunoglobulin content. The immunoglobulin analysis revealed an excessive increase of IgM in the lymph node, while there was a reduced serum IgM level. A morphological equivalent of the increased IgM was constituted by the deposit of PAS-positive cytoplasm inclusions, which were embedded in distended cisternae of the ergastoplasm of the neoplastic lymph node cells. “Secretory” lymphatic cells containing ergastoplasm without inclusion bodies otherwise dominated the electron microscopic picture. The existence of a B-cell lymphoma producing IgM of the secretory type is thus demonstrated. The lack of emission of IgM into the blood has to be interpreted as the result of a defect in the secretory mechanism. As the IgM was found in the form of 8 S-IgM in the tissue, it can be assumed that a disturbance of the polymerisation of the IgM-subunits into the 19 S-pentamer existed, the result of which was the absence of secretion of IgM into the blood.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-1076
    Keywords: Cerebral Lipidoses ; Neurolipidoses ; Niemann-Pick Disease ; Organ Lipidoses ; Phosphatidoses ; Phospholipidoses ; Reticuloendothelioses ; Sphingolipidoses ; Sphingomyelinoses
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Detaillierter Bericht über eine Familie, in der 4 Kinder in verschiedenem Alter an einer visceralen (stark splenohepatomegalen) bzw. visceroneuralen Lipidose von subchronischem Verlauf erkrankten. 3 Kinder — von denen eines bereits bei der Geburt Milz-Leber-Vergrößerung aufwies — entwickelten im Kleinkindesalter die Zeichen eines neurodystrophischen Prozesses ohne Fundusveränderungen, an dessen Auswirkungen bisher ein Mädchen mit 9 Jahren zugrunde ging. Eine 14jährige ist, abgesehen von Splenomegalie und Speicherungserscheinungen im Knochenmark, unauffällig und vol altersgemäß. Beide gesunden Eltern zeigen eindeutig dieselben Speicherzellen im Knochenmark wie ihre Kinder. Das wird als Ausdruck der Heterozygotie gewertet. — Es werden die Ergebnisse von hämatologischen, cytologischen und weiteren Laboratoriumsuntersuchungen wiedergegeben, ferner von verschiedenen bioptischen Prüfungen bei insgesamt 3 Kindern, von eingehenden autoptischen Untersuchungen des verstorbenen Falles sowie von chemischen Analysen an Biopsiematerialien eines Kindes und insbesondere und sehr detailliert wiederum von Autopsiematerialien des verstorbenen Kindes. Biochemisch konnte als ein spezieller Befund ein zunächst unbekanntes Glycerinphosphatid in Milz und Leber als Bis(monoacylglycerin)phosphorsäure identifiziert werden. — In der Diskussion werden die Einordnungsschwierigkeiten von Lipidosen im allgemeinen und für die eigenen Fälle erörtert. Die hier mitgeteilten Beobachtungen werden auf Grund insbesondere des biochemischen Befundes einer visceralen Sphingomyelinosis mit Sphingomyelinasemangel dem „Niemann-Pick-Komplex” angegliedert. Sie konnten aber aus vielfachen Gründen nicht mit einer der bisher beschriebenen „Formen” oder Gruppen des „Morbus Niemann-Pick” identifiziert werden — es muß vielmehr vermutet werden, daß hier ein neuer Typus der Lipidosen bzw. Neurolipidosen vorliegt.
    Notes: Abstract Four siblings are reported in whom a slowly progressive visceral lipidosis with marked spleno(hepato) megaly, or a visceroneural lipidosis, were first detected at different ages. Three of them began to show signs of a neurodystrophic process (grey matter symptoms) in their 2nd, 3rd, and 4th years of life respectively with splenohepatomegaly present at birth in one. No alterations of the fundus and no signs of visual disturbances. One child died at the age of 9 years of this process. A 14-year-old girl with splenomegaly and foam cells in the bone marrow showed entirely normal mental and physical growth and development. Both parents are healthy but undoubtedly have the same storage cells in their bone marrow as their children. This was considered a manifestation of heterozygosity. Haematologic, cytologic, and other clinical laboratory investigations as well as pathohistological, histochemical, and biochemical investigations of biopsy and autopsy material were performed. A previously unknown glycerolphospholipid in spleen and liver was identified as bis(monoacylglycerol)phosphate. In the deceased child a visceral sphingomyelinosis and decreased activity of sphingomyelinase were found. Therefore these cases nosologically belong to the Niemann-Pick-complex. However, identification with one of the previously described types or groups of “Niemann-Pick-Disease” was not possible. The assumption of a “New type of lipidosis” is justified.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 358 (1973), S. 309-319 
    ISSN: 1432-2307
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Autopsies were performed on 3 patients 30 min after they had died of bacillary dysentery (Shigella flexneri 4a). The results of detailed histological examinations of the intestinal tract were compared with the experimental data from recent years. Shigella organisms were found in several epithelial cells at the tips of the colonic folds, where they multiplied in the cytoplasm. From these cells the bacteria infected adjacent epithelial cells, so that foci of infected cells were formed. The cells originally infected were at the centers of these foci, and their cytoplasms therefore contained the most bacteria. This eventually led to the death of these cells, causing superficial ulceration with less markedly infected epithelial cells at the edges. Continued spreading from cell to cell also enabled the bacteria to reach the epithelium of the crypt gland. Polymorphonuclear leukocytes appeared near the infected epithelial cells. These leukocytes then phagocytized the bacteria freed by the disintegrating epithelial cells. Some of the leukocytes were destroyed and the resulting toxic products led to necrotizing inflammation. Infiltration of plasma cells into the lamina propria suggests that humoral immune mechanisms also play a role in human bacillary dysentery. Our studies and those with animals show that the most important factor in the pathogenesis of bacillary dysentery is bacterial invasion of the epithelial cells, where the shigellas multiply, and not a circulatory disturbance caused by endotoxin.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 358 (1973), S. 241-247 
    ISSN: 1432-2307
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Unter 42 Fällen mit Lymphknotenmetastasen lympho-epithelialer Carcinome (Schmincke-Régaud) befanden sich 5, die neben dem Carcinom eine Epitheloidzellreaktion mit kleinen und größeren käseartigen Nekrosen zeigten. Diese tuberkuloide Veränderung tritt nur bei Carcinombefall des Lymphknotens selbst ein; in benachbarten, nicht carcinomatös infiltrierten Lymphknoten sieht man nur Epitheloidzellreaktionen ohne käseartige Nekrosen. Sie wird in Analogie zu den sarcoid like lesions als Ausdruck einer tuberkuloiden Reaktion auf den zerfallenden Tumor angesehen, wobei die käseartigen Nekrosen, wenigstens zum Teil, als nekrotische Tumorkomplexe anzusehen sind. Die Epitheloidzellreaktion mit käseartigen Nekrosen tritt fast ausschließlich bei Schmincke-Tumoren auf, gelegentlich lange bevor der Primärtumor entdeckt ist.
    Notes: Summary Among 42 cases of lymph node metastases of lymphoepithelial carcinoma (Schmincke-Régaud) there were 5 which also showed an epithelioid cell reaction with varying amounts of caseous necrosis. These tuberculoid changes occur only together with carcinomatous infiltration of the lymph nodes themselves; in neighboring lymph nodes which have not been infiltrated by carcinoma cells only epithelioid cell reactions without caseous necroses are seen. These are considered to be tuberculoid reactions to the tumor necroses, while the caseous necroses are to be considered, at least partly, as necrotic tumor complexes. The epithelioid cell reaction with caseous necroses appears almost exclusively as a consequence of Schmincke tumors, occasionally long before the primary tumor is discovered.
    Type of Medium: Electronic Resource
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