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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 56 (1982), S. 87-92 
    ISSN: 1432-0533
    Keywords: Sträussler's disease ; Jakob Creutzfeldt's disease ; Subacute spongious encephalopathy ; Multicentric floccular plaques ; Slow virus disease ; Multiple sclerosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A new family with the Gerstmann-Sträussler type of subacute spongiform encephalopathy is described. Atactic symptoms, dysarthrias, and personality changes characterized the clinical course. The clinical pattern of a father and his two sons was very similar. They had been in contact with sheep by occupation. A rapidly progressing demyelinating disease (transitional diffuse-multiple sclerosis) occurred in the same family, as well as numerous cases of carcinoma. Morphologically, the Sträussler type can be differentiated from other subacute spongy encephalopathies by the occurrence of Kuru-Plaques and numerous multicentric floccular plaques both in the cerebral and cerebellar cortex, basal ganglia, and white matter.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 84 (1992), S. 346-347 
    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 54 (1981), S. 165-167 
    ISSN: 1432-0533
    Keywords: Burkitt-type Lymphoma ; Collision tumor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A primary Burkitt-type lymphoma of the CNS was reported which developed in an 11-year-old boy 6 months after extirpation of an astrocytoma. Primary Burkitt-type lymphomas have been described only twice in the literature. The morphological aspect is interesting with regard to the problem of collision tumors.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0533
    Keywords: Creutzfeldt-Jakob disease ; Amyloid angiopathy ; Prion protein ; Immunohistochemistry ; Experimental transmission
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary It was difficult to make a definite pathological diagnosis in a 73-year-old man with Creutzfeldt-Jakob disease (CJD) due to extensive amyloid angiopathy which lacked any severe spongiform changes. Immunostaining using anti-prion protein (PrP) antibody revealed fine granular deposits in the gray matter, after hydrolytic autoclaving pretreatment on tissue sections. Western blotting also revealed an abnormal isoform of PrP, but PrP gene analysis did not show any abnormalities. The primary transmission experiments were repeated three times and induced spongiform encephalopathy in a few mice after a long incubation period.
    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
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 76 (1988), S. 245-252 
    ISSN: 1432-0533
    Keywords: Pleomorphic xanthoastrocytoma ; Fibrous xanthoma of the meninges ; Fibrous histocytoma ; Glial fibrillary acidic protein ; Immunohistochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A case of a fibrous xanthomatous tumor of the meninges is reported. This is a rare tumor of childhood in which the characteristic pleomorphic histology contrasts with the good clinical prognosis [26]. These tumors were reclassified as pleomorphic xanthoastrocytomas (PXA) due to their glial fibrillary acidic protein (GFAP) positivity [27]. In the present tumor, GFAP was absent from nearly all cell bodies in most of the leptomeningeal regions of the tumor but could be detected with greater frequency at the cortical-leptomeningeal border zones and in the areas in which the tumor had infiltrated the cortex. All the tumor cells expressed vimentin and in, addition, most expressed α-1-antitrypsin, α-1-antichymotrypsin, tartrate-resistant acid phosphatase, common leukocyte antigen, and OKM1. This spectrum of marker staining corresponded not only to the pattern observed in two cutaneous fibrous histiocytomas and one malignant fibrous histiocytoma, but also to the results previously published in the literature with regard to fibrohistiocytic tumors. By contrast, this spectrum of monocytic-histiocytic marker staining was not seen in gliomas. We, therefore, regard the PXA as a mesenchymal tumor of the meninges, identical to benign fibrous histiocytomas elsewhere in the body. The possible reasons why this mesenchymal tumor can show GFAP positivity in the leptomeningeal border zone are discussed.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-0533
    Keywords: Neurovisceral lipidosis ; Niemann-Pick disease type C ; Oligomembranous cytoplasmic bodies ; Lipids ; Sphingomyelinase ; Prenatal diagnosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary One postnatal and one prenatal case (same family) of a neurovisceral lipidosis compatible with a diagnosis of Niemann-Pick disease type C were studied. The postnatal case, aged 4 and 6/12 at death, was characterized morphologically (foamy cells in the bone marrow; storage histiocytes in rectal submucosa and extraneural viscera and ballooned neurons, the two types of cells containing pleomorphic and oligomenbranous inclusion bodies, respectively; central demyelination) as well as biochemically (elevated spleen and liver content of sphingomyelin, cholesterol, glucosyl ceramide and lysobisphosphatidic acid). Sphingomyelinase activity (SM) was not significantly lowered and showed no greatly abnormal electrofocused pattern of activity; its extractability from brain, liver and spleen was distinctly hindered, a finding interpreted as expression of a reduced bioavailability of the enzyme. — The prenatal case was diagnosed by low SM in amniotic fluid. Diminished SM was confirmed in cultured amniotic cells and in tissues of the aborted fetus which, additionally, showed an elevated sphingomyelin and cholesterol content in the liver. A prenatal diagnosis of Niemann-Pick disease type C was made for the first time. The phenotypical variation of the disease may reflect genetic heterogeneity and, there-fore, a prenatally lowered SM need not be a constant finding. — The apparent normalization of SM in the postnatal case was accompanied by a decrease of visceromegaly raising the question of a causal relationship between the two phenomena.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 73 (1987), S. 361-364 
    ISSN: 1432-0533
    Keywords: Meningiomas ; Monoclonal antibody ; Proliferation potential
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In 30 meningiomas we investigated the proliferation rate of various subtypes with the monoclonal antibody Ki-67. Frozen sections were incubated with Ki-67 antibody using a modified Alkaline Phosphatase anti-Alkaline Phosphatase (APAAP)-technique and evaluation of proliferation rate was done by cell counting. Meningiomas of the meningiotheliomatous, fibrous and angioblastic subtype without atypical histological findings contained 1% or less proliferating cells. In recurent tumors, in transitional and in anaplastic meningiomas there is a marked increase of proliferating cells up to 20%. The distribution of marked cells varies in recurrent tumors and anaplastic meningiomas, and a focal proliferation of tumor cells was seen in meningiomas from transitional type. Immunohistological labelling of proliferating cells in meningiomas may allow a more precise prediction of the proliferation potential of each meningioma.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 56 (1978), S. 1125-1131 
    ISSN: 1432-1440
    Keywords: Muscle calcifications ; Acute renal failure ; Shock ; McArdle's disease ; Muskelverkalkung ; Akutes Nierenversagen ; Schock ; McArdlesche Krankheit
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es werden reversible Muskelverkalkungen in Verbindung mit einem akuten Nierenversagen beschrieben. Als Ursache lag im ersten Fall ein Kollapszustand in Verbindung mit Unterkülung unter Alkoholeinfluß vor. Beim zweiten Fall handelt es sich um eine rhabdomyolytische Krise mit Myoglobinurie bei bekannter McArdlescher Krankheit. In beiden Fällen mußte eine Dialysebehandlung zur Überbrückung des Nierenversagens vorgenommen werden. Muskelbiopsien zeigten massive Kalkeinlagerungen in der nekrotischen Skelettmuskulatur. Zu Beginn der oligoanurischen Phase bestand eine auffallende Hypokalziämie, der eine Hyperkalziämie folgte. Hyperkalziämie und Hyperkalziurie erreichten ihren Höhepunkt in der polyurischen Phase und normalisierten sich anschließend. Eine Kontrollbiopsie zeigte beim ersten Fall eine völlige Ausschwemmung der Kalksalze unter Hinterlassung einer Muskelnekrose mit Regenerationszeichen.
    Notes: Summary The clinical course in two patients with acute renal failure and focal calcifications of skeletal muscle are reported. In the first case renal failure was due to a hypovolemia or shock combined with supercooling and alcoholic intoxication. In the second case a rhabdomyolytic crisis with myoglobinuria occurred. This patient was known to have a McArdle disease. Dialysis treatment was necessary in both cases in order to overcome the oligoanuric phase. Biopsy specimens from biceps muscle showed intense calcium deposits within the necrotic muscle fibres. In the beginning of oliguria remarkable hypocalcemia occurred followed by hypercalcemia. During the polyuric phase which was accompanied by hypercalcemia and hypercalcuria the calcium deposits disappeared completely. This could be demonstrated in our first case by a control biopsy.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 116 (1974), S. 95-114 
    ISSN: 1432-1076
    Keywords: Non-ketotic hyperglycinaemia ; Dietetic treatment ; Histologic changes of brain ; Liver
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über eine Patientin mit einer nichtketotischen Hyperglycinämie berichtet, die 2 Jahre lang mit einer vollsynthetischen Kost aus einem Aminosäurengemisch, Mineralien, Glucose, Fett und Vitaminzusätzen behandelt wurde. Die diätetische Behandlung sowie Zusatz von Natrium-Benzoat zur Nahrung führten nur kurzfristig zu einem Absinken der Plasma-Glycin-Konzentrationen. Nach Anreicherung der Nahrung mit L-Methionin in einer Dosierung von 300 mg/kg KG/die zeigten sich zwar deutlich niedrigere Glycinspiegel, gleichzeitig kam es aber zu einer exzessiven Hypermethioninämie. L-Methionin-Gabe in Dosierungen von 150–200 mg/kg KG hatten keinen Einfluß auf die Höhe des Plasma-Glycin-Spiegels. Die körperliche Entwicklung des Kindes unter Diätbehandlung war altersentsprechend. Ein Einfluß auf die geistige Entwicklung wurde nicht bemerkt, es bestand aber bereits zu Beginn der Behandlung das Bild einer Decrebrierung. Pathologisch-histologisch zeigten sich Veränderungen des ZNS in Form von Markscheidenreifungshemmung und einer spongiösen Degeneration der weißen Substanz in Großhirn, Kleinhirn und Rückenmark sowie Einlagerungen von doppeltbrechenden Kristallen. In der grauen Substanz waren keine groben Alterationen nachweisbar. Im Bereich des peripheren Nervensystems fanden sich keine Markscheidenausfälle und keine doppeltbrechenden Kristalle. Die Leber zeigte eine leichte Vacuolisierung der Leberzellen und eine starke Einlagerung von doppeltbrechenden Kristallen in Parenchymzellen und Makrophagen.
    Notes: Abstract A girl with non-ketotic hyperglycinaemia was treated for 2 years with a synthetic diet consisting of a glycine- and serine-free amino-acid mixture, glucose, fat, minerals, and vitamins. The addition of sodium benzoate to this diet resulted in only a temporary decrease of the plasma glycine concentration. Addition of 300 mg methionine/kg/day led to a marked reduction of glycine in the plasma but also to an excessive increase of the methionine plasma concentration. L-methionine at a lower dose did not influence the plasma glycine level. During the dietary treatment an almost normal gain of body weight was observed, though the psychomotor development was not influenced. Post mortem the following changes were noted: 1. reduced myelination of the white matter; 2. spongiform alterations of the white matter of the cerebrum, the cerebellum, and the spinal cord; 3. inclusions of birefringent crystals in liver and brain. The grey matter of the cerebrum did not show any marked alterations. In peripheral nerves no areas of demyelination or inclusions of crystals were found.
    Type of Medium: Electronic Resource
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