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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neurology 214 (1976), S. 1-11 
    ISSN: 1432-1459
    Keywords: Metabolic myopathies ; Carnitine deficiency ; Lipid storage myopathy ; Myopathy treatment ; Triglycerides
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Verschiedene Fälle von Lipidablagerung in Muskeln wurden bisher beschrieben. Nur in einigen dieser Fälle konnte man mit Sicherheit einen biochemischen Defekt feststellen. Die Syndrome, die bisher festgestellt wurden, sind: Carnitinmangel (Typ I Lipid Storage Myopathy), Carnitin-Palmitate-Transferasemangel und Pyruvat-Decarboxylasemangel. Bei den letzten zwei Krankheiten sind die Fettvacuolen in den Muskelfasern nicht so augenscheinlich. Der Fall einer 10jährigen Patientin mit Carnitinmangel, die eine Vorgeschichte wechselnder Kraftlosigkeit in proximalen Glieder- und Genickmuskeln hatte, wurde vorgestellt. Dieses Mädchen wurde mit Carnitin behandelt (täglich 0,1 g/kg, peroral eingenommen) und auf eine „middle chain triglyceride“ MCT-Diät gesetzt. Unter der geschilderten Behandlung kam es zu einer bisher anhaltenden Besserung. In einigen anderen Fällen führte eine Prednisonbehandlung zu einer Besserung. Die folgenden Laboruntersuchungen sind bei Verdacht einer Fettspeichermyopathie indiziert: 1. Untersuchung von Ketonurie und Ketonaemie während dem Fasten und der Behandlung mit MCT-Diät; 2. Serumlipide, Serumcarnitin; 3. biochemische Untersuchung von frischem Muskel mit-(14C) Substraten, Bestimmungen von Carnitin und Carnitin-Palmitil-Transferase in gefrorenem Muskel.
    Notes: Summary Various cases of lipid storage myopathies have been described. The biochemical defect could be determined in only some of these cases. The syndromes identified to date are as follows: carnitine deficiency (type I lipid storage myopathy), carnitine-palmityltransferase (CPT) deficiency and pyruvate-decarboxylase deficiency. In the last two diseases the vacuolization in muscle is not marked. The case of a 10 year old carnitine deficient patient with a history of insidious muscle weakness in the proximal limb and neck muscles is presented. The patient was treated with oral carnitine and a medium chain triglyceride diet for 18 months and her clinical status has remained improved. In other lipid storage patients prednisone treatment resulted in improvement. In cases of suspected lipid storage myopathy the following studies are indicated: 1) examination of ketone bodies in serum and urine during fasting, long chain and medium chain triglyceride diets; 2) serum triglyceride and serum carnitine; 3) study on fresh muscle and fibroblasts with labeled substrates, biochemical determination of carnitine and CPT in muscle.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neurology 220 (1979), S. 21-29 
    ISSN: 1432-1459
    Keywords: Thymic scan ; Thymus hyperplasia ; Thymoma ; Myasthenia gravis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung 53 Patienten wurden mit einem 75Se-Methionin-Scan untersucht, um die Rolle der Thymusdrüse bei der Myasthenia Gravis zu beurteilen. Die Thymusdrüsen von 28 dieser Patienten wurden histologisch untersucht. Fünf von sechs primären Thymustumoren konnten mit dieser Technik nachgewiesen werden, und 8 von 12 Hyperplasien wurden festgestellt. Die oben genannten Daten sprechen dafür, daß 75Se-Methionin-Scan eine nützliche, nicht schädliche Untersuchung ist, um Neoplasien und abnorme Keimzentren zu diagnostizieren.
    Notes: Summary Fifty-three patients were investigated by 75Se methionine scan in order to evaluate the role of the thymus gland in myasthenia gravis. The thymus of 28 of the above patients was examined histologically. Five out of six thymomas were detected with this technique and eight out of twelve hyperplasias were revealed. The above data suggests that 75Se methionine scan is a useful, innocuous tool for diagnosing neoplasms and abnormal germinal centers in thymus glands.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Human genetics 〈Berlin〉 35 (1977), S. 225-231 
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary By a general survey in the hospitals of northeast Italy, Duchenne cases have been located and identified over a 20-year period. In a more restricted area screening for Duchenne carriers has been carried out in affected families. This procedure made possible an exact estimate of the incidence rate, prevalence rate, and mutation rate in a large sample of population. Prevalence rate was found to be 34x10-6, incidence rate about 28x10-5, while mutation rate was found lower than 50x10-6 by the direct method. The discrepancy between the results obtained by the Haldane formula and those obtained by the direct method for the estimate of the mutation rate is discussed.
    Type of Medium: Electronic Resource
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