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  • 1
    ISSN: 1590-3478
    Keywords: Facioscapulohumeroperoneal dystrophy ; inflammatory ; histology ; immunohistochemistry ; lymphocytes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario Una donna di 49 anni presenta reperti clinici, elettrofisiologici ed istochimici indicativi di distrofia facioscapolo-omero-peroneale con importanti alterazioni a carattere infiammatorio. La tipizzazione linfocitaria condotta su frammento di muscolo prelevato biopticamente con le tecniche di immunofluorescenza ed immuno-perossidasi, ha mostrato un elevato numero di T8 nei siti endomisiali. I linfociti non presentano invasione diretta delle fibre sane, per cui non è presumibile una loro azione citotossica primaria verso il tessuto muscolare. I macrofagi parimenti risultano aumentati di numero sia in regione endomisiale che perivascolare. In questo caso un ruolo patogenetico della immunità cellulo-mediata non è significativo, contrariamente ad altri studi della letteratura condotti nelle polimiositi e nelle distrofie facio-scapolo-omerali con reperti infiammatori.
    Notes: Abstract We report the case of a 49 year old woman with clinical, electrophysiological and histochemical signs of facio-scapulohumeroperoneal dystrophy characterized by highly inflammatory changes. Lymphocyte typing by immunofluorescence and immunoperoxidase techniques on a muscle biopsy fragment revealed a large number of T8 cells at endomysial sites. There was no evidence of direct invasion of sound fibers by lymphocytes, which are thus unlikely to have exerted a primary cytotoxic action on the muscle tissue. Another finding was an increased number of macrophages in both endomysial and perivascular regions. Cell-mediated immunity did not play a significant role in the pathogenesis of our case, unlike other reported cases of polymyositis and facioscapulohumeral dystrophy with inflammatory findings.
    Type of Medium: Electronic Resource
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