A Rare Case; Hydatid Cyst of the Breast

: Hydatid cyst is a helminthic infection caused by Echinococcus granulosus that we encounter in various organs, especially in the liver and the lungs. Hydatid cyst of the breast is seen very rarely even in regions where the disease is endemic. In this article, we aimed to present a female patient who presented with complaints of a mass in her right breast, was diagnosed as having hydatid cyst as a result of physical examination and radiological imaging methods, and was treated.