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  • multinucleated giant cells  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Neurological sciences 10 (1989), S. 301-305 
    ISSN: 1590-3478
    Keywords: AIDS encephalopathy ; multinucleated giant cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario Gli AA. riportano gli aspetti neuropatologici di 5 casi autoptici in pazienti con AIDS la cui causa di morte era riferibile ad infezioni opportunistiche associate o meno a sarcoma di Kaposi cutaneo e/o viscerale. In tutti i casi era visibile un marcato edema cerebrale, demielinizzazione e spongiosi della sostanza bianca cerebrale, mentre gli aspetti caretteristici erano costituiti dalla presenza di cellule giganti multinucleate (CGM) poste in prossimità o all'interno dei noduli microgliali. Lo studio immunoistochimico ha dimostrato una netta positività cellulare per l'RCA I e per la Ferritina, mentre i markers per astrociti, neuroni, macrofagi, istiociti, linfociti e cellule endoteliali erano negativi. Questi risultati suffragano l'ipotesi che le CGM possono derivare da cellule microgliali.
    Notes: Abstract We report the neuropathological findings of 5 post-mortem cases of AIDS. The most common causes of the death were multiple opportunistic infections associated with cutaneous and/or visceral Kaposi sarcoma in two cases. Cerebral edema, demyelination and spongiosis of the white matter were present but th most remarkable finding was the presence of multinucleated giant cell (MGC) within and nearby microglial nodules. On immunohistochemical investigation MGC and microglial cells exhibit positive stain only for RCA I and Ferritin, while immunohistochemical markers for astrocytes, neurons, macrophages, histiocytes, lymphocytes and endothelial cells were negative. No microrganism, nor viral inclusions were detected. These results support the hypothesis that MGC may be derived from microglial cells.
    Type of Medium: Electronic Resource
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