Tropical Pulmonary Eosinophilia : Masquerading as Eosinophilic Leukaemia.

Benign conditions like Tropical Pulmonary Eosinophilia(TPE) can present with very high total count and Absolute Eosinophil Count (AEC) and can mimick malignancy. Diagnostic work up for TPE should be done in any patient presenting with pulmonary symptoms and eosinophilia. Though most case series on TPE report AEC in range of 3000 to upto 20,000, very rarely AEC can rise beyond 50,000. The following case is of TPE presenting with absolute eosinophil count of >70,000. Rapid response to Diethyl carbamazine is the rule in a confirmed case of TPE.