Isolated hydatid cyst of the breast.

Although common in sheep-breeding communities, hydatid disease is actually found worldwide. Man is an occasional intermediate host in whom the disease is manifested by the presence of one or more hydatid cysts, usually located in the liver or lung and rarely at other sites such as the breast, as in our patient. A case of an isolated breast involvement that was diagnosed during surgery is presented and is followed by a brief discussion on the topic.