Rare Diagnosis - Leishmaniasis

We had an interesting case lately. A young patient presented with prolonged fever, hyperpigmented skin lesions and hepatosplenomegaly. Lab study showed pancytopenia. Based on the clinical presentation and there is history of travelling, the physician made a diagnosis of Kala-azar (visceral leishmaniasis) right before much investigation.And bone marrow aspiration with trephine biopsy was then done