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  • Title: Amyloidosis in adrenal glands of hamsters experimentally infected with Leishmania infantum.
    Author: Novoa C, García P, Rollán E, González JL.
    Journal: Histol Histopathol; 1990 Apr; 5(2):225-9. PubMed ID: 2134376.
    Abstract:
    Thirty 10-week-old hamsters were inoculated intraperitoneally with leishmania infantum amastigotes and were serially killed after 15, 30, 45, 60, 75 and 89-90 days. The adrenal glands of each of them were examined by means of light and electron microscopy. The cortex and medulla of the adrenal gland showed a progressive deposition of amyloid, selectively identified by both optical and ultrastructural techniques. It has been suggested that adrenal amyloidosis during visceral leishmaniasis is directly related to a stimulation of the phagocitary mononuclear system due to the persistence of the antigenic stimulation of the parasite. In addition to these deposits, the presence of inflammatory infiltrates containing lymphocytes, plasmocytes and macrophages with leishmanias confirmed the establishment of leishmaniasis. The deposition of the amyloid fibrils finally leads to the partial destruction of the adrenal parenchyma.
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