We present the case of a 23-year-old student admitted with fever, night sweats and splenomegaly. These non-specific signs and symptoms posed a diagnostic challenge which was further complicated by a history of recent foreign travel. The range of potential diagnoses required a variety of investigations in order to reach the final diagnosis. The incidental finding of an incompetent bicuspid aortic valve and an inflamed gallbladder further clouded the diagnostic process. Despite treatment with broad spectrum antibiotics, the patient continued to deteriorate. Serological testing finally provided a diagnosis of visceral leishmaniasis. The patient subsequently developed haemophagocytic lymphohistiocytosis, a life-threatening immune hyperactivity state that very rarely complicates leishmaniasis infection. With the use of amphotericin B and high-dose steroids, the patient made an excellent recovery.
Keywords: haematology (incl blood transfusion); infectious diseases; tropical medicine (infectious disease).
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