[Pancytopenia of unknown origin in a 52-year-old patient]. / Unklare Panzytopenie bei einem 52-jährigen Patienten.

A 52-year-old patient developed pancytopenia of unknown origin 1.5 years after allogeneic stem cell transplantation. The bone marrow aspirate showed visceral leishmaniasis (VL). Although VL is distributed world-wide, the incidence in patients after allogeneic stem cell transplantation is rare.