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  • 1975-1979  (3)
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  • 1
    ISSN: 1432-1920
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Un cas de tumeur du glomus jugulaire secrétante de l'adrénaline et de la nor-adrénaline est décrit dans cet article. Plusieurs arguments en faveur de sa parenté avec la medullo-surrénale sont présentés. L'importance du taux urinaire des catécholamines chez les patients suspect d'être porteur d'un paragangliome est soulignée. Le dosage due taux plasmatique des catécholamines au cours de l'angiographie peut localiser la tumeur et éviter une laparotomie exploratrice.
    Abstract: Zusammenfassung Es wird über einen Noradrenalin und Adrenalin sezernierenden Glomus jugulare Tumor berichtet. Die Annahme eines neuroectodermalen Ursprungs und die embryologische Ähnlichkeit mit dem Nebennierenmark wird weiter unterstützt. Die Wichtigkeit der Bestimmung der Katecholamine in Urin bei allen Patienten, die im Verdacht stehen ein Paragangliom zu haben, wird betont. Venöse Blutproben zur Untersuchung für Plasmakatecholamine, die zum Zeitpunkt der Angiography entnommen werden, können behilflich sein bei der Lokalisierung des Tumors und können eine Probelaparotomie verhindern.
    Notes: Summary A case of glomus jugulare tumor secreting norepinephrine and epinephrine is reported. Further support is given to the neuroectodermal origin and to the embryological similarity to the adrenal medulla. The importance of urinary catecholamine determination in all patients suspected of having a paraganglioma is stressed. Venous sampling for plasma catecholamine determination at the time of angiography may help to localize the tumor and to avoid exploratory laparotomy.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1435-1463
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The catecholamine hypothesis of progressive spinal cord necrosis following mechanical trauma was investigated with the histofluorometric method. Forty-four adult mongrel dog were examined as control, L1 crush-injured, and crush-injured with prior T1 total transection groups. In crush injured dogs, catecholamines were present in a 1 cm length of white matter at the crush site, with the greatest accumulation in the deep lateral and ventral funiculi. Gray matter fluorescence was not enhanced. Prior transection did not abolish the intense accumulation of catecholamines at the site of the cord injury. We propose that the catecholamines accumulating at the cord injured site are not central in origin, but represent an uptake mechanism into white matter as a reflection of cord microperfusion.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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