Case 207. Trypanosomiasis (25 y-o F)

       
  Peripheral blood smear in a Brasilian, complaining of hemilateral swelling of the face and eye lid and lymphadenopathy (Romana's sign)  
       

 

  Romana's sign is seen in acute infection of Trypanosoma cruzi. American trypanosomiasis, transmitted by Triatoma, is prevailing in central and south America.