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  • 1
    ISSN: 1432-1076
    Keywords: Phenylketonuria ; Seizures ; Isoniazid ; Jaundice ; Electron microscopy ; Degeneration of organelles in liver cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei einem jordanischen Kleinkind, das wegen einer Phenylketonurie mit cerebralen Krampfanfällen seit 1 Jahr mit Primidon und Ospolot behandelt und seit 7 Monaten mit einer phenylalaninarmen Diät unter Zusatz eines Aminosäurengemisches ernährt wurde, entwickelte sich nach 3 monatiger INH-Medikation ein hepatocellulärer Arzneimittelikterus. Dieser erwies sich klinisch und histologisch als reine Form einer toxischen Hepatose ohne entzündliche Symptome. Die elektronemmikroskopische Untersuchung von Leberbiopsiematerial 2 Wochen nach dem Höhepunkt des Ikterus (28 mg% Gesamtbilirubin im Serum) erlaubte den Nachweis eines intracellulären Transportdefektes des bereits konjugierten Bilirubins in den Leberepithelien. Das Pigment wurde analog dem Dubin-Johnson-Syndrom in peribiliären Lysosomen gespeichert. Weitere für die Pathogenese aufschlußreiche Befunde wurden an den Organellen der Hepatocyten erhoben: Hydropische Schwellung des hypertrophierten glatten endoplasmatischen Reticulums bei gleichzeitiger Reduktion des rauhen endoplasmatischen Reticulums, Glykogenschwund und Degeneration der Mitochondrien. Bei der Kontrollbiopsie nach 1/2 Jahr waren alle Befunde bis auf die lysosomale Speicherung normalisiert.
    Notes: Abstract After being treated with isonicotinic acid hydrazine (INH) for 3 months a 3-year-old Jordanian boy with phenylketonuria developed severe hepatocellular jaundice. In addition to INH the patient had received Primidone and Ospolot® for 1 year and a PKU diet for 7 months without any side effects. The liver biopsy 2 weeks after the peak of jaundice revealed no signs of hepatitis on light microscopy. An electron microscope investigation showed a defect in the intracellular transport system of bilirubin; bile pigment was stored in peribiliar lysosomes in the same way as in the Dubin-Johnson Syndrome. The smooth endoplasmatic reticulum was increased and vacuolized, whereas rough endoplasmatic reticulum, mitochondria, and glycogen were reduced. In a control biopsy nearly 6 months after the jaundice the morphologic alterations of the liver had normalized with the exception of the lysosomal changes.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 128 (1978), S. 123-128 
    ISSN: 1432-1076
    Keywords: Serum proteins ; Acute hepatitis ; Childhood
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Fifteen serum proteins were estimated by linear immunodiffusion in blood samples from children with acute hepatitis. Blood was drawn at the beginning of the disease and three weeks later. The results were compared with results obtained from a group of age-matched normal children. At the beginning of the disease prealbumin and beta-2-glycoprotein I were depressed, whereas alpha-1-acid-glycoprotein, alpha-1-antitrypsin, ceruloplasmin and alpha-2-HS-glycoprotein were found to be elevated. Alpha-2-macroglobulin, transferrin and beta-lipoprotein showed a significant elevation after three weeks. Beta-1-A/C, IgM and IgG remained elevated during the time of observation. Albumin, haptoglobin and IgA were similar in patients and controls and did not change during the period of observation.
    Type of Medium: Electronic Resource
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