Mucormycosis is a group of life-threatening diseases caused by a fungus of the Mucoraceae family and has a higher mortality rate compared with other known fungal infections. Hydatid cyst, caused by Echinococcus, is a crucial health concern in endemic areas and the disease is characterized by slow-growing cysts in the liver, lungs, or other organs. In this report, a woman with coexistence of hydatid cyst and Mucormycosis is introduced. The patient was a 52-year-old woman with approximately 6 years' history of uncontrolled diabetes mellitus and hypothyroidism, who presented with cough, sputum, and dyspnea 2 months ago.

The patient was a 52-year-old woman with approximately 6 years’ history of uncontrolled diabetes mellites and hypothyroidism, who presented with cough, sputum and dyspnea 2 months ago.