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Perisinusoidal cell hypertrophy in a patient with acquired immunodeficiency syndrome
Authors:T Kossaifi  M Dupon  B Le Bail  Y Lacut  C Balabaud  P Bioulac-Sage
Affiliation:Laboratoire des Interactions Cellulaires, Université de Bordeaux II, France.
Abstract:A 33-year-old heterosexual white man underwent a liver biopsy for determination of mild elevation of aminotransferase levels (aspartate aminotransferase, two times; alanine aminotransferase, three times). The patient had acquired immunodeficiency syndrome (stage IVC2) with tuberculosis of the lymph nodes. Antibody to hepatitis B surface antigen and antibody to hepatitis B core antigen were positive. Syphillis tests were positive. Liver architecture was normal; sinusoids were dilated with perisinusoidal, centrilobular, and portal fibrosis. On a 1-micron-thick section and under electron microscopy, perisinusoidal cells appeared to be massively loaded with lipids, while endothelial cells contained numerous dense bodies. Some hepatocytes presented evidence of cell damage. Sinusoids were infiltrated by an increased number of lymphocytes and macrophages. This patient who had recently been treated for tuberculosis was not taking extra vitamin A. He had no disease so far reported as being associated with perisinusoidal cell hypertrophy. This case and others are evidence that acquired immunodeficiency syndrome represents another cause of perisinusoidal cell hypertrophy in which there is no documented hypervitaminosis A.
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