A rare association of brucellosis and pulmonary hydatid cyst in a patient with human immunodeficiency virus

Background: Hydatid disease, or cystic echinococcosis, is a parasitic infection caused by tapeworm. Pulmonary hydatid the second common manifestation of disease. We present patient who was diagnosed with recurrent cyst in lung and later brucellosis, which highly contagious zoonotic Case presentation: A 47-years-old male pulmonary disease after computed tomography (CT) chest-plain done. As had high intermittent fever for 4 months could not be explained an intact followup, brucellosis both IgG IgM antibodies positive. Conclusions: varied symptomatology. degree clinical suspicion combined meticulous history examination supported laboratory investigations are required its diagnosis. This case highlights importance considering brucella as differential Keywords: cyst; brucellosis; co-infection; HIV; echinococcus