• M P van Koeveringe and R E Brouwer.
• Department of Internal Medicine, Reinier de Graaf Hospital, Delft, the Netherlands.
• Neth J Med. 2010 Dec 1; 68 (12): 418-21.

AbstractWe describe a case of haemophagocytic syndrome caused by Histoplasma capsulatum reactivation in a patient with chronic lymphocytic leukaemia treated with fludarabine and alemtuzumab. He presented with fever, pancytopenia, increased serum ferritin, lactate dehydrogenase and soluble interleukin-2 receptor. A bone marrow aspirate showed haemophagocytosis and possibly a yeast infection. Treatment with cyclosporine, dexamethasone, etoposide and caspofungin was started. After initial improvement his condition deteriorated. A second bone marrow examination confirmed a Histoplasma infection. After treatment with amphotericin B, the fever resolved and blood counts normalised. Haemophagocytic syndrome is a critical condition with high mortality that requires immunosuppressive therapy. The underlying cause should be investigated and treated. In this case a Histoplasma reactivation is described in a severely immunocompromised host years after the patient had left the endemic area.

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