[Plasmacytosis and dengue fever: an underestimated abnormality?].

Introduction: A significant peripheral blood plasmacytosis is a rare finding associated with viral infections. We reported five consecutive cases of dengue virus infection, with circulating plasma cells.

Case Reports: Three women and two men, aged 26 to 75 years, had returned from French West Indies less than one week before the onset of the symptoms (mean: 2.

[Retroperitoneal pseudotumor related to native brucellosis in France].

Despite their rarity, some causes of retroperitoneal granulomatous tumor must be kept in mind. We report a 41-year-old man who presented with a right psoas mass. No spondylitis was associated.